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Radiography

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1265: 1214: 219: 498: 215:(CT scanning), an X-ray source and its associated detectors rotate around the subject, which itself moves through the conical X-ray beam produced. Any given point within the subject is crossed from many directions by many different beams at different times. Information regarding the attenuation of these beams is collated and subjected to computation to generate two-dimensional images on three planes (axial, coronal, and sagittal) which can be further processed to produce a three-dimensional image. 330: 871:, the Society for Pediatric Radiology developed and launched the Image Gently campaign which is designed to maintain high quality imaging studies while using the lowest doses and best radiation safety practices available on pediatric patients. This initiative has been endorsed and applied by a growing list of various professional medical organizations around the world and has received support and assistance from companies that manufacture equipment used in radiology. 1166: 922: 465:) are imaged, and the bone density (amount of calcium) is determined and given a number (a T-score). It is not used for bone imaging, as the image quality is not good enough to make an accurate diagnostic image for fractures, inflammation, etc. It can also be used to measure total body fat, though this is not common. The radiation dose received from DEXA scans is very low, much lower than projection radiography examinations. 649: 4810: 3834: 404: 3864: 3874: 483:
theatre, using a portable fluoroscopy machine called a C-arm. It can move around the surgery table and make digital images for the surgeon. Biplanar Fluoroscopy works the same as single plane fluoroscopy except displaying two planes at the same time. The ability to work in two planes is important for orthopedic and spinal surgery and can reduce operating times by eliminating re-positioning.
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pushed for radiography to be used to treat wounded soldiers in World War I. Initially, many kinds of staff conducted radiography in hospitals, including physicists, photographers, physicians, nurses, and engineers. The medical speciality of radiology grew up over many years around the new technology.
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Following upon the success of the Image Gently campaign, the American College of Radiology, the Radiological Society of North America, the American Association of Physicists in Medicine, and the American Society of Radiologic Technologists have launched a similar campaign to address this issue in the
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is the most common shield against X-rays because of its high density (11,340 kg/m), stopping power, ease of installation and low cost. The maximum range of a high-energy photon such as an X-ray in matter is infinite; at every point in the matter traversed by the photon, there is a probability of
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is the use of fluoroscopy to view the cardiovascular system. An iodine-based contrast is injected into the bloodstream and watched as it travels around. Since liquid blood and the vessels are not very dense, a contrast with high density (like the large iodine atoms) is used to view the vessels under
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material, within the tube. On 3 February 1896 Gilman Frost, professor of medicine at the college, and his brother Edwin Frost, professor of physics, exposed the wrist of Eddie McCarthy, whom Gilman had treated some weeks earlier for a fracture, to the X-rays and collected the resulting image of the
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which he had wrapped in black cardboard to shield its fluorescent glow. He noticed a faint green glow from the screen, about 1 metre away. Röntgen realized some invisible rays coming from the tube were passing through the cardboard to make the screen glow: they were passing through an opaque object
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or CT scan (previously known as CAT scan, the "A" standing for "axial") uses ionizing radiation (x-ray radiation) in conjunction with a computer to create images of both soft and hard tissues. These images look as though the patient was sliced like bread (thus, "tomography" – "tomo" means "slice").
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Image quality will depend on resolution and density. Resolution is the ability an image to show closely spaced structure in the object as separate entities in the image while density is the blackening power of the image. Sharpness of a radiographic image is strongly determined by the size of the
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The technique provides moving projection radiographs. Fluoroscopy is mainly performed to view movement (of tissue or a contrast agent), or to guide a medical intervention, such as angioplasty, pacemaker insertion, or joint repair/replacement. The last can often be carried out in the operating
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A radiopaque anatomical side marker is added to each image. For example, if the patient has their right hand x-rayed, the radiographer includes a radiopaque "R" marker within the field of the x-ray beam as an indicator of which hand has been imaged. If a physical marker is not included, the
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Röntgen discovered X-rays' medical use when he made a picture of his wife's hand on a photographic plate formed due to X-rays. The photograph of his wife's hand was the first ever photograph of a human body part using X-rays. When she saw the picture, she said, "I have seen my death."
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Though CT uses a higher amount of ionizing x-radiation than diagnostic x-rays (both utilising X-ray radiation), with advances in technology, levels of CT radiation dose and scan times have reduced. CT exams are generally short, most lasting only as long as a breath-hold,
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as well. Although a nonspecialist dictionary might define radiography quite narrowly as "taking X-ray images", this has long been only part of the work of "X-ray departments", radiographers, and radiologists. Initially, radiographs were known as roentgenograms, while
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X-ray source. This is determined by the area of the electron beam hitting the anode. A large photon source results in more blurring in the final image and is worsened by an increase in image formation distance. This blurring can be measured as a contribution to the
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by capturing the electrons produced when the X-rays hit the detector. Direct detectors do not tend to experience the blurring or spreading effect caused by phosphorescent scintillators or by film screens since the detectors are activated directly by X-ray photons.
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and it is projected towards the object. A certain amount of the X-rays or other radiation are absorbed by the object, dependent on the object's density and structural composition. The X-rays that pass through the object are captured behind the object by a
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adjacent to it to emit electrons. These electrons are then focused using electron lenses inside the intensifier to an output screen coated with phosphorescent materials. The image from the output can then be recorded via a camera and displayed.
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discovered the X-ray and noted that, while it could pass through human tissue, it could not pass through bone or metal. Röntgen referred to the radiation as "X", to indicate that it was an unknown type of radiation. He received the first
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Since the body is made up of various substances with differing densities, ionising and non-ionising radiation can be used to reveal the internal structure of the body on an image receptor by highlighting these differences using
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may be placed between the patient and the detector to reduce the quantity of scattered x-rays that reach the detector. This improves the contrast resolution of the image, but also increases radiation exposure for the patient.
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are also often used, depending on the tissues needing to be seen. Radiographers perform these examinations, sometimes in conjunction with a radiologist (for instance, when a radiologist performs a CT-guided
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and capturing the resulting remnant beam (or "shadow") as a latent image is known as "projection radiography". The "shadow" may be converted to light using a fluorescent screen, which is then captured on
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Contrary to advice that emphasises only conducting radiographs when in the patient's interest, recent evidence suggests that they are used more frequently when dentists are paid under fee-for-service.
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are analog devices that readily convert the acquired X-ray image into one visible on a video screen. This device is made of a vacuum tube with a wide input surface coated on the inside with
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In response to increased concern by the public over radiation doses and the ongoing progress of best practices, The Alliance for Radiation Safety in Pediatric Imaging was formed within the
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There are conflicting accounts of his discovery because Röntgen had his lab notes burned after his death, but this is a likely reconstruction by his biographers: Röntgen was investigating
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where many types of manufactured components can be examined to verify the internal structure and integrity of the specimen. Industrial Radiography can be performed utilizing either
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tests. It is not projection radiography, as the X-rays are emitted in two narrow beams that are scanned across the patient, 90 degrees from each other. Usually the hip (head of the
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Fluoroscopy is a term invented by Thomas Edison during his early X-ray studies. The name refers to the fluorescence he saw while looking at a glowing plate bombarded with X-rays.
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tested all of the discharge tubes in the physics laboratory and found that only the Pulyui tube produced X-rays. This was a result of Pulyui's inclusion of an oblique "target" of
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The dosage of radiation applied in radiography varies by procedure. For example, the effective dosage of a chest x-ray is 0.1 mSv, while an abdominal CT is 10 mSv. The
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Table in this section shows the recommended thickness of lead shielding in function of X-ray energy, from the Recommendations by the Second International Congress of Radiology.
701: 1738: 956:. The resultant images from the radiograph (X-ray generator/machine) or CT scanner are correctly referred to as "radiograms"/"roentgenograms" and "tomograms" respectively. 2206: 218: 868: 693: 689: 4484: 4168: 883:(IAEA) of the United Nations have also been working in this area and have ongoing projects designed to broaden best practices and lower patient radiation dose. 836:
interaction. Thus there is a very small probability of no interaction over very large distances. The shielding of photon beam is therefore exponential (with an
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Digital devices known as array detectors are becoming more common in fluoroscopy. These devices are made of discrete pixelated detectors known as
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opened a radiographic laboratory in the United Kingdom in 1896, before the dangers of ionizing radiation were discovered. Indeed,
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Oakley, PA; Harrison, DE (2020). X-Ray Hesitancy: Patients' Radiophobic Concerns Over Medical X-rays. Dose-Response.
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Schueler BA (July 2000). "The AAPM/RSNA physics tutorial for residents: general overview of fluoroscopic imaging".
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body parts stems mostly from the fact that carbon has a very low X-ray cross section compared to calcium.
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DeWerd LA, Wagner LK (January 1999). "Characteristics of radiation detectors for diagnostic radiology".
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Although not technically radiographic techniques due to not using X-rays, imaging modalities such as
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by using photo detectors that detect light emitted from a scintillator material such as CsI, or
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NIST's XAAMDI: X-Ray Attenuation and Absorption for Materials of Dosimetric Interest Database
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Quader MA, Sawmiller CJ, Sumpio BE (2000). "Radio Contrast Agents: History and Evolution".
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of the material); doubling the thickness of shielding will square the shielding effect.
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radiographer may add the correct side marker later as part of digital post-processing.
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obtained from Howard Langill, a local photographer also interested in Röntgen's work.
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are possible, and may be used in industrial radiography or research; these include
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Jang J, Jung SE, Jeong WK, Lim YS, Choi JI, Park MY, et al. (February 2016).
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Ritchey B, Orban B (April 1953). "The Crests of the Interdental Alveolar Septa".
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Detectors can be divided into two major categories: imaging detectors (such as
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Fundamentals of Computerized Tomography: Image Reconstruction from Projections
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to be trained in and to adopt this new technology. Radiographers now perform
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Goldberg J (September–October 2018). "From the Spectral to the Spectrum".
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Yu SB, Watson AD (September 1999). "Metal-Based X-ray Contrast Media".
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The radiology information resource for patients: Radiography (X-rays)
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can both be traced to 8 November 1895, when German physics professor
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words for "shadow" and "writer") was used until about 1918 to mean
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Wilhelm Conrad Röntgen and the early history of the roentgen rays
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When new diagnostic tests were developed, it was natural for the
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The United States saw its first medical X-ray obtained using a
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Shroy Jr RE (1995). "X-Ray equipment". In Bronzino JD (ed.).
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Ranger NT (1999). "Radiation detectors in nuclear medicine".
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equipment and procedures are effective on an ongoing basis).
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Video on X-ray inspection and industrial computed tomography
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X-rays were put to diagnostic use very early; for example,
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Contrast radiography uses a radiocontrast agent, a type of
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Imaging technique using ionizing and non-ionizing radiation
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UN Scientific Committee on the Effects of Atomic Radiation
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For the medical specialty covering all imaging modes, see
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The first use of X-rays under clinical conditions was by
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Barry K, Kumar S, Linke R, Dawes E (September 2016).
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Lead Shielding Sheet Lead For Shielding Applications
1065:, and/or dose rate, for example, for verifying that 4783: 4755: 4711: 4660: 4637: 4627: 4592: 4509: 4500: 4351: 4267: 4227: 4146: 4105: 4096: 3940: 3926: 3750: 3688: 3449: 3377: 3332: 3241: 3112: 3097: 3025: 2957: 2906: 2791: 2784: 2723: 2682: 2621: 2207:"5 unbelievable things about X-rays you can't miss" 702:
International Commission on Radiological Protection
365:detectors (DR—similar to a very large version of a 272: 258: 238: 233: 147: 102: 85: 75: 63: 2427:"Wilhelm Conrad Röntgen and the Glimmer of Light" 2079:"Flat-panel detectors: how much better are they?" 588:are sometimes grouped in radiography because the 1510:Radiation Protection in Diagnostic X-Ray Imaging 1135:is where images are acquired using two separate 694:International Organization of Medical Physicists 348:The creation of images by exposing an object to 80:Interventional, Nuclear, Therapeutic, Paediatric 1966:Anwar K (2013). "Nuclear Radiation Detectors". 1333: 203:or a digital detector). The generation of flat 2568:NIST's FAST: Attenuation and Scattering Tables 2472:. CRC Press and IEEE Press. pp. 953–960. 1741:. New.paho.org. 24 August 2010. Archived from 1340: 869:American Association of Physicists in Medicine 690:American Association of Physicists in Medicine 449:, or bone densitometry, is used primarily for 3904: 3075: 2599: 8: 861:American Society of Radiologic Technologists 592:department of hospitals handle all forms of 311:, while image analysis is generally done by 43: 2563:NIST's XCOM: Photon Cross Sections Database 2335:(1). American Roentgen Ray Society: 241–3. 1717:"Radiation Safety in Adult Medical Imaging" 641:and other metals. Specific methods include 4634: 4516: 4506: 4102: 3946: 3937: 3911: 3897: 3889: 3364:Reproductive endocrinology and infertility 3109: 3082: 3068: 3060: 2788: 2606: 2592: 2584: 2573:A lost industrial radiography source event 2554:, Karlsruhe University of Applied Sciences 1691:"IG new: The Alliance | image gently" 875:adult population called Image Wisely. The 719: 49: 3705:Bachelor of Medicine, Bachelor of Surgery 2450: 2415: 2405: 2340: 2300:. Birmingham City Council. Archived from 2098: 2024: 1845: 1835: 1456: 4747:Orthogonal polarization spectral imaging 1872:The Essential Physics of Medical Imaging 1632:"Reducing Radiation from Medical X-rays" 1332:. The Japanese term for the radiograph, 1045:) and dose measurement devices (such as 596:. Treatment using radiation is known as 2185:"The Nobel Prizes in Physics 1901–2000" 1423: 656:, such as for these radiographs of the 182:, (where "body scanners" generally use 2261: 2259: 1548:10.1148/radiographics.20.4.g00jl301115 1092:As an alternative to X-ray detectors, 1082:Image intensifiers and array detectors 230: 42: 2242:. Norman Publishing. pp. 10–15. 2005:Journal of Medical Radiation Sciences 1910:10.1148/radiographics.19.2.g99mr30481 1268:1897 sciagraph (X-ray photograph) of 706:Radiological Society of North America 190:, a beam of X-rays is produced by an 58:of the knee in a modern X-ray machine 34:. For treatment using radiation, see 7: 3843: 3604:Physical medicine and rehabilitation 1799:from the original on 29 October 2013 1608:Fundamentals of Diagnostic Radiology 1382:List of civilian radiation accidents 3853: 2470:The Biomedical Engineering handbook 524:X-ray. Angiography is used to find 207:images by this technique is called 4554:Sestamibi parathyroid scintigraphy 3740:Medical Scientist Training Program 1818:Chalkley M, Listl S (March 2018). 1765:"Radiation Protection of Patients" 1139:. This is the standard method for 1033:), now mostly replaced by various 881:International Atomic Energy Agency 25: 2329:American Journal of Roentgenology 2187:. Stockholm: The Nobel Foundation 1437:Journal of Korean Medical Science 1169:Taking an X-ray image with early 1147:to decrease the required dose of 178:. Similar techniques are used in 4809: 4808: 3872: 3862: 3852: 3842: 3833: 3832: 2398:Specific Safety Guide No. SSG-11 948:generally use X-rays created by 652:Radiography may also be used in 536:is often done with angiography. 442:Dual energy X-ray absorptiometry 436:Dual energy X-ray absorptiometry 4311:Cholangiopancreatography (MRCP) 3873: 2183:Karlsson EB (9 February 2000). 2048:Hendee WR, Ritenour ER (2002). 1284:Alan Archibald Campbell-Swinton 857:Society for Pediatric Radiology 299:by the denser substances (like 222:A medical radiograph of a skull 4559:Radioactive iodine uptake test 3730:Doctor of Osteopathic Medicine 3164:Oral and maxillofacial surgery 1933:Applied Radiation and Isotopes 1837:10.1016/j.jhealeco.2017.12.005 1767:. Rpop.iaea.org. 14 March 2013 1483:Radiography in the Digital Age 1252:, used for holding samples of 1210:to affect the film behind it. 643:industrial computed tomography 381:yield. The difference between 352:or other high-energy forms of 1: 4539:Radionuclide ventriculography 4013:Lower gastrointestinal series 4005:Upper gastrointestinal series 2366:The Journal of Periodontology 2266:Markel H (20 December 2012). 2077:Seibert JA (September 2006). 1945:10.1016/S0969-8043(98)00044-X 1507:Seeram E, Brennan PC (2016). 959:A number of other sources of 952:, which generate X-rays from 925:A hand prepared to be X-rayed 865:American College of Radiology 710:American College of Radiology 4730:Optical coherence tomography 4652:Myocardial perfusion imaging 4240:Dental panoramic radiography 3710:Bachelor of Medical Sciences 3477:Neurosurgical anesthesiology 2425:Seliger HH (November 1995). 1693:. Pedrad.org. Archived from 1680:. Retrieved 7 December 2008. 1676:Alchemy Art Lead Products – 1604:"Diagnostic Imaging Methods" 1579:10.1007/978-1-4612-1190-7_63 1387:Medical imaging in pregnancy 1112:(TFT) which can either work 678:modulation transfer function 2323:Spiegel PK (January 1995). 2085:. 36 Suppl 2 (S2): 173–81. 1976:10.1007/978-3-642-38661-9_1 1824:Journal of Health Economics 1602:Brant WE, Helms CA (2007). 1449:10.3346/jkms.2016.31.S1.S24 1334: 1259:gelatin photographic plates 1201:screen painted with barium 940:In medicine and dentistry, 4851: 4534:Ventilation/perfusion scan 4009:Small-bowel follow-through 2878:X-Ray Fluorescence Imaging 2766:Anomalous X-ray scattering 2494:(2nd ed.). Springer. 2122:Cochrane Miller J (2015). 1317:magnetic resonance imaging 1177:Radiography's origins and 1158: 1085: 1057:used to measure the local 1018: 946:computed tomography images 933: 903:A plain radiograph of the 607: 558:, and can be used in both 543: 490: 472: 439: 396: 322: 29: 4804: 4775:Dynamic angiothermography 4519: 4443:Abdominal ultrasonography 3949: 3828: 2342:10.2214/ajr.164.1.7998549 2298:"Major John Hall-Edwards" 2091:10.1007/s00247-006-0208-0 1341: 877:World Health Organization 631:electromagnetic radiation 373:and some organs (such as 354:electromagnetic radiation 186:). To create an image in 48: 4765:Non-contact thermography 4544:Radionuclide angiography 4396:Doppler echocardiography 3664:Transplantation medicine 3555:Clinical neurophysiology 3472:Obstetric anesthesiology 3392:Interventional radiology 3152:Digestive system surgery 2705:Synchrotron light source 2407:10.1177/1559325820959542 2378:10.1902/jop.1953.24.2.75 2158:"History of Radiography" 1513:. Jones & Bartlett. 1367:Computer-aided diagnosis 1145:CT pulmonary angiography 942:projectional radiography 560:projectional radiography 335:projectional radiography 325:Projectional radiography 319:Projectional radiography 209:projectional radiography 188:conventional radiography 56:Projectional radiography 4549:Radioisotope renography 3535:Intensive care medicine 3509:Mass gathering medicine 3354:Maternal–fetal medicine 2724:Interaction with matter 2683:Sources and instruments 2164:. Iowa State University 2054:Medical Imaging Physics 1402:Radiation contamination 1088:X-ray image intensifier 680:of the imaging system. 619:non-destructive testing 4584:Gastric emptying study 3127:Cardiothoracic surgery 2856:Diffraction tomography 2548:Medical Image Database 1279: 1218: 1188:Nobel Prize in Physics 1183:Wilhelm Conrad Röntgen 1174: 926: 918: 907: 859:. In concert with the 667: 615:Industrial radiography 610:Industrial radiography 604:Industrial radiography 517: 416: 407:Images generated from 369:in a digital camera). 345: 223: 176:industrial radiography 4245:X-ray motion analysis 4128:X-ray microtomography 4047:Hysterosalpingography 3954:Pneumoencephalography 3778:Personalized medicine 3637:Reproductive medicine 3562:Occupational medicine 3516:Evolutionary medicine 2967:X-ray crystallography 2836:Soft x-ray microscopy 2804:Panoramic radiography 2644:Synchrotron radiation 2461:10013/epic.43596.d001 2274:. PBS. Archived from 1571:Textbook of Angiology 1267: 1216: 1179:fluoroscopy's origins 1173:apparatus, late 1800s 1168: 1159:Further information: 1143:. It is also used in 1110:thin-film transistors 934:Further information: 924: 914:AP radiograph of the 913: 902: 651: 629:. Both are forms of 576:Other medical imaging 503:transverse projection 500: 406: 332: 221: 4770:Contact thermography 4480:Emergency ultrasound 4418:Transcranial Doppler 4169:Abdominal and pelvis 3798:Traditional medicine 3758:Alternative medicine 3625:Addiction psychiatry 3439:Transfusion medicine 3434:Medical microbiology 3349:Gynecologic oncology 3201:Reproductive surgery 2736:Photoelectric effect 2669:Characteristic X-ray 2304:on 28 September 2012 1869:Bushberg JT (2002). 1573:. pp. 775–783. 1362:Background radiation 1217:The first radiograph 1161:X-ray § History 1067:radiation protection 1043:flat panel detectors 540:Contrast radiography 528:, leaks, blockages ( 501:Angiogram showing a 305:radiographic anatomy 4737:Confocal microscopy 4615:Indium-111 WBC scan 4438:Echoencephalography 4174:Virtual colonoscopy 3820:History of medicine 3803:Veterinary medicine 3610:Preventive medicine 3462:Adolescent medicine 3304:Infectious diseases 2756:Photodisintegration 2731:Rayleigh scattering 2710:Free-electron laser 2443:1995PhT....48k..25S 2217:on 24 December 2020 2162:NDT Resource Center 2134:(7). Archived from 2083:Pediatric Radiology 1830:(March 2018): 1–9. 1480:Carroll QB (2014). 1443:(Suppl 1): S24-31. 1397:Digital radiography 1301:computed tomography 1271:Pelophylax lessonae 1231:Birmingham, England 1190:for his discovery. 1047:ionization chambers 1027:photographic plates 972:linear accelerators 840:being close to the 725:peak voltages below 723:X-rays generated by 564:computed tomography 546:Radiocontrast agent 534:Balloon angioplasty 420:Computed tomography 415:image at upper left 409:computed tomography 399:Computed tomography 393:Computed tomography 213:computed tomography 45: 4725:Optical tomography 4574:Dacryoscintigraphy 4569:Immunoscintigraphy 4208:Whole body imaging 3959:Dental radiography 3768:Molecular oncology 3725:Doctor of Medicine 3715:Master of Medicine 3632:Radiation oncology 3504:Emergency medicine 3457:Addiction medicine 3424:Clinical chemistry 3419:Clinical pathology 3211:Transplant surgery 3169:Orthopedic surgery 3147:Colorectal surgery 2997:X-ray reflectivity 2776:X-ray fluorescence 2741:Compton scattering 2674:High-energy X-rays 2236:Glasser O (1993). 1659:Skeptical Inquirer 1280: 1219: 1175: 1149:iodinated contrast 1094:image intensifiers 1059:radiation exposure 927: 919: 908: 838:attenuation length 668: 518: 514:posterior cerebral 417: 346: 224: 4822: 4821: 4784:Target conditions 4707: 4706: 4703: 4702: 4623: 4622: 4564:Bone scintigraphy 4529:Scintimammography 4524:Cholescintigraphy 4369:contrast-enhanced 4263: 4262: 4223: 4222: 4213:Full-body CT scan 4113:General operation 4092: 4091: 4062:Angiocardiography 3886: 3885: 3720:Master of Surgery 3684: 3683: 3669:Tropical medicine 3615:Prison healthcare 3530:Hospital medicine 3494:Disaster medicine 3484:Aviation medicine 3299:Hospital medicine 3206:Surgical oncology 3191:Pediatric surgery 3185: 3132:Endocrine surgery 3057: 3056: 3053: 3052: 3045:X-ray lithography 2977:Backscatter X-ray 2972:X-ray diffraction 2799:X-ray radiography 2771:X-ray diffraction 2664:Siegbahn notation 2523:10.1021/cr980441p 2501:978-1-85233-617-2 2479:978-0-8493-8346-5 2278:on 20 August 2020 1985:978-3-642-38660-2 1588:978-1-4612-7039-3 1246:Dartmouth College 1227:John Hall-Edwards 1141:bone densitometry 1031:photographic film 1008:anti-scatter grid 830: 829: 728:Minimum thickness 359:photographic film 288: 287: 201:photographic film 184:backscatter X-ray 164:imaging technique 157: 156: 18:X-ray radiography 16:(Redirected from 4842: 4812: 4811: 4635: 4517: 4507: 4391:Echocardiography 4250:Hounsfield scale 4103: 4022:Cholecystography 3947: 3938: 3913: 3906: 3899: 3890: 3876: 3875: 3866: 3856: 3855: 3846: 3845: 3836: 3835: 3540:Medical genetics 3525:General practice 3402:Nuclear medicine 3277:Gastroenterology 3233:Vascular surgery 3183: 3110: 3084: 3077: 3070: 3061: 2883:X-ray holography 2789: 2761:Radiation damage 2608: 2601: 2594: 2585: 2534: 2511:Chemical Reviews 2505: 2483: 2464: 2454: 2452:10.1063/1.881456 2421: 2419: 2409: 2382: 2381: 2361: 2355: 2354: 2344: 2320: 2314: 2313: 2311: 2309: 2294: 2288: 2287: 2285: 2283: 2263: 2254: 2253: 2233: 2227: 2226: 2224: 2222: 2213:. Archived from 2203: 2197: 2196: 2194: 2192: 2180: 2174: 2173: 2171: 2169: 2154: 2148: 2147: 2145: 2143: 2128:Radiology Rounds 2119: 2113: 2112: 2102: 2074: 2068: 2067: 2045: 2039: 2038: 2028: 2017:10.1002/jmrs.176 1996: 1990: 1989: 1968:Particle Physics 1963: 1957: 1956: 1928: 1922: 1921: 1893: 1887: 1886: 1866: 1860: 1859: 1849: 1839: 1815: 1809: 1808: 1806: 1804: 1798: 1791: 1783: 1777: 1776: 1774: 1772: 1761: 1755: 1754: 1752: 1750: 1735: 1729: 1728: 1726: 1724: 1713: 1707: 1706: 1704: 1702: 1687: 1681: 1674: 1668: 1667: 1653: 1647: 1646: 1644: 1642: 1628: 1622: 1621: 1599: 1593: 1592: 1566: 1560: 1559: 1531: 1525: 1524: 1504: 1498: 1497: 1477: 1471: 1470: 1460: 1428: 1346: 1344: 1343: 1337: 1313:nuclear medicine 1029:and X-ray film ( 986:sources such as 950:X-ray generators 887:Provider payment 842:radiation length 720: 268: 231: 180:airport security 106: 89: 53: 46: 21: 4850: 4849: 4845: 4844: 4843: 4841: 4840: 4839: 4825: 4824: 4823: 4818: 4800: 4779: 4751: 4699: 4685:PET mammography 4656: 4619: 4605:Gallium-67 scan 4600:Octreotide scan 4588: 4496: 4347: 4259: 4219: 4142: 4123:High-resolution 4088: 4052:Skeletal survey 4018:Cholangiography 3931: 3922: 3920:Medical imaging 3917: 3887: 3882: 3824: 3813:Chief physician 3746: 3691: 3680: 3674:Travel medicine 3659:Sports medicine 3642:Sexual medicine 3582:Palliative care 3577:Pain management 3521:Family medicine 3499:Diving medicine 3445: 3373: 3335: 3328: 3244: 3237: 3196:Plastic surgery 3142:General surgery 3122:Cardiac surgery 3103: 3101: 3093: 3088: 3058: 3049: 3033:X-ray astronomy 3021: 2953: 2902: 2888:X-ray telescope 2780: 2751:Photoionization 2719: 2715:X-ray nanoprobe 2678: 2634:Absorption edge 2622:Characteristics 2617: 2612: 2578:RadiologyInfo - 2542: 2537: 2508: 2502: 2486: 2480: 2467: 2424: 2395: 2391: 2389:Further reading 2386: 2385: 2363: 2362: 2358: 2322: 2321: 2317: 2307: 2305: 2296: 2295: 2291: 2281: 2279: 2265: 2264: 2257: 2250: 2235: 2234: 2230: 2220: 2218: 2205: 2204: 2200: 2190: 2188: 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4446: 4445: 4444: 4441: 4439: 4436: 4434: 4431: 4429: 4426: 4424: 4423:Intravascular 4421: 4419: 4416: 4412: 4409: 4407: 4404: 4402: 4399: 4397: 4394: 4393: 4392: 4389: 4385: 4382: 4380: 4377: 4375: 4372: 4370: 4367: 4365: 4362: 4361: 4359: 4358: 4356: 4354: 4350: 4344: 4343:Synthetic MRI 4341: 4337: 4334: 4332: 4329: 4327: 4324: 4323: 4322: 4319: 4317: 4314: 4312: 4309: 4307: 4304: 4300: 4297: 4296: 4295: 4292: 4290: 4287: 4283: 4280: 4279: 4278: 4275: 4274: 4272: 4270: 4266: 4256: 4253: 4251: 4248: 4246: 4243: 4241: 4238: 4236: 4233: 4232: 4230: 4226: 4214: 4211: 4210: 4209: 4206: 4204: 4201: 4199: 4196: 4192: 4189: 4187: 4184: 4183: 4182: 4179: 4175: 4172: 4171: 4170: 4167: 4163: 4160: 4158: 4155: 4154: 4152: 4151: 4149: 4145: 4139: 4136: 4134: 4133:Electron beam 4131: 4129: 4126: 4124: 4121: 4119: 4116: 4114: 4111: 4110: 4108: 4104: 4101: 4099: 4095: 4085: 4084:Orbital x-ray 4082: 4080: 4077: 4075: 4072: 4068: 4065: 4063: 4060: 4059: 4058: 4055: 4053: 4050: 4048: 4045: 4043: 4040: 4038: 4035: 4033: 4030: 4028: 4025: 4023: 4019: 4016: 4014: 4010: 4006: 4003: 4001: 3997: 3994: 3992: 3989: 3987: 3984: 3980: 3979:Bronchography 3977: 3976: 3975: 3972: 3970: 3967: 3965: 3962: 3960: 3957: 3955: 3952: 3951: 3948: 3945: 3943: 3939: 3936: 3934: 3929: 3925: 3921: 3914: 3909: 3907: 3902: 3900: 3895: 3894: 3891: 3879: 3871: 3869: 3865: 3861: 3859: 3851: 3849: 3841: 3839: 3831: 3830: 3827: 3821: 3818: 3814: 3811: 3810: 3809: 3806: 3804: 3801: 3799: 3796: 3794: 3791: 3789: 3786: 3784: 3783:Public health 3781: 3779: 3776: 3774: 3771: 3769: 3766: 3764: 3763:Allied health 3761: 3759: 3756: 3755: 3753: 3749: 3741: 3738: 3737: 3736: 3733: 3731: 3728: 3726: 3723: 3721: 3718: 3716: 3713: 3711: 3708: 3706: 3703: 3701: 3698: 3697: 3695: 3693: 3687: 3675: 3672: 3671: 3670: 3667: 3665: 3662: 3660: 3657: 3655: 3652: 3648: 3645: 3644: 3643: 3640: 3638: 3635: 3633: 3630: 3626: 3623: 3622: 3621: 3618: 3616: 3613: 3611: 3608: 3605: 3602: 3600: 3597: 3593: 3590: 3589: 3588: 3585: 3583: 3580: 3578: 3575: 3573: 3572:Oral medicine 3570: 3568: 3567:Ophthalmology 3565: 3563: 3560: 3556: 3553: 3552: 3551: 3548: 3546: 3543: 3541: 3538: 3536: 3533: 3531: 3528: 3526: 3522: 3519: 3517: 3514: 3510: 3507: 3506: 3505: 3502: 3500: 3497: 3495: 3492: 3490: 3487: 3485: 3482: 3478: 3475: 3473: 3470: 3469: 3468: 3465: 3463: 3460: 3458: 3455: 3454: 3452: 3448: 3440: 3437: 3435: 3432: 3430: 3429:Cytopathology 3427: 3425: 3422: 3420: 3417: 3415: 3412: 3411: 3410: 3407: 3403: 3400: 3398: 3395: 3393: 3390: 3389: 3388: 3385: 3384: 3382: 3380: 3376: 3370: 3369:Urogynecology 3367: 3365: 3362: 3360: 3357: 3355: 3352: 3350: 3347: 3345: 3342: 3341: 3339: 3337: 3331: 3325: 3322: 3320: 3317: 3315: 3312: 3310: 3307: 3305: 3302: 3300: 3297: 3295: 3292: 3290: 3287: 3283: 3280: 3279: 3278: 3275: 3273: 3272:Endocrinology 3270: 3268: 3265: 3263: 3260: 3258: 3254: 3251: 3250: 3248: 3246: 3240: 3234: 3231: 3227: 3224: 3223: 3222: 3219: 3217: 3214: 3212: 3209: 3207: 3204: 3202: 3199: 3197: 3194: 3192: 3189: 3182: 3181: 3180: 3177: 3175: 3172: 3170: 3167: 3165: 3162: 3160: 3157: 3153: 3150: 3148: 3145: 3144: 3143: 3140: 3138: 3135: 3133: 3130: 3128: 3125: 3123: 3120: 3119: 3117: 3115: 3111: 3108: 3106: 3100: 3096: 3092: 3085: 3080: 3078: 3073: 3071: 3066: 3065: 3062: 3046: 3043: 3039: 3036: 3035: 3034: 3031: 3030: 3028: 3024: 3018: 3015: 3013: 3010: 3008: 3005: 3003: 3000: 2998: 2995: 2993: 2990: 2988: 2985: 2983: 2980: 2978: 2975: 2973: 2970: 2968: 2965: 2964: 2962: 2960: 2956: 2950: 2947: 2945: 2942: 2940: 2937: 2935: 2932: 2930: 2927: 2925: 2922: 2920: 2917: 2915: 2912: 2911: 2909: 2905: 2899: 2896: 2894: 2891: 2889: 2886: 2884: 2881: 2879: 2876: 2872: 2869: 2867: 2864: 2862: 2859: 2858: 2857: 2854: 2852: 2849: 2847: 2844: 2842: 2839: 2837: 2834: 2830: 2827: 2825: 2822: 2821: 2820: 2817: 2815: 2812: 2810: 2809:Tomosynthesis 2807: 2805: 2802: 2800: 2797: 2796: 2794: 2790: 2787: 2783: 2777: 2774: 2772: 2769: 2767: 2764: 2762: 2759: 2757: 2754: 2752: 2749: 2747: 2744: 2742: 2739: 2737: 2734: 2732: 2729: 2728: 2726: 2722: 2716: 2713: 2711: 2708: 2706: 2703: 2701: 2698: 2696: 2693: 2691: 2688: 2687: 2685: 2681: 2675: 2672: 2670: 2667: 2665: 2662: 2660: 2657: 2655: 2652: 2650: 2647: 2645: 2642: 2640: 2639:Moseley's law 2637: 2635: 2632: 2630: 2627: 2626: 2624: 2620: 2616: 2615:X-ray science 2609: 2604: 2602: 2597: 2595: 2590: 2589: 2586: 2579: 2576: 2574: 2571: 2569: 2566: 2564: 2561: 2559: 2556: 2553: 2550: 2547: 2544: 2543: 2539: 2532: 2528: 2524: 2520: 2516: 2512: 2507: 2503: 2497: 2493: 2489: 2485: 2481: 2475: 2471: 2466: 2462: 2458: 2453: 2448: 2444: 2440: 2437:(11): 25–31. 2436: 2432: 2431:Physics Today 2428: 2423: 2418: 2413: 2408: 2403: 2399: 2394: 2393: 2388: 2379: 2375: 2371: 2367: 2360: 2357: 2352: 2348: 2343: 2338: 2334: 2330: 2326: 2319: 2316: 2303: 2299: 2293: 2290: 2277: 2273: 2269: 2262: 2260: 2256: 2251: 2245: 2241: 2240: 2232: 2229: 2216: 2212: 2208: 2202: 2199: 2186: 2179: 2176: 2163: 2159: 2153: 2150: 2137: 2133: 2129: 2125: 2118: 2115: 2110: 2106: 2101: 2096: 2092: 2088: 2084: 2080: 2073: 2070: 2065: 2063:9780471461135 2059: 2055: 2051: 2050:"Fluoroscopy" 2044: 2041: 2036: 2032: 2027: 2022: 2018: 2014: 2011:(3): 148–54. 2010: 2006: 2002: 1995: 1992: 1987: 1981: 1977: 1973: 1969: 1962: 1959: 1954: 1950: 1946: 1942: 1939:(1): 125–36. 1938: 1934: 1927: 1924: 1919: 1915: 1911: 1907: 1903: 1899: 1898:Radiographics 1892: 1889: 1884: 1882:9780683301182 1878: 1874: 1873: 1865: 1862: 1857: 1853: 1848: 1843: 1838: 1833: 1829: 1825: 1821: 1814: 1811: 1795: 1788: 1782: 1779: 1766: 1760: 1757: 1744: 1740: 1734: 1731: 1718: 1712: 1709: 1696: 1692: 1686: 1683: 1679: 1673: 1670: 1665: 1661: 1660: 1652: 1649: 1637: 1633: 1627: 1624: 1619: 1617:9780781761352 1613: 1609: 1605: 1598: 1595: 1590: 1584: 1580: 1576: 1572: 1565: 1562: 1557: 1553: 1549: 1545: 1541: 1537: 1536:Radiographics 1530: 1527: 1522: 1520:9781284117714 1516: 1512: 1511: 1503: 1500: 1495: 1493:9780398080976 1489: 1485: 1484: 1476: 1473: 1468: 1464: 1459: 1454: 1450: 1446: 1442: 1438: 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Who.int. 1641:9 September 1322:skiagrapher 1305:mammography 1297:fluoroscopy 1288:Marie Curie 1254:fluorescent 1242:Ivan Pulyui 1199:fluorescent 1133:radiography 1131:Dual-energy 1125:Dual-energy 984:radioactive 954:X-ray tubes 823:900 kV 815:600 kV 807:500 kV 799:400 kV 791:300 kV 783:225 kV 775:200 kV 767:175 kV 759:150 kV 751:125 kV 743:100 kV 569:contrast CT 556:angiography 521:Angiography 516:circulation 493:Angiography 487:Angiography 475:Fluoroscopy 469:Fluoroscopy 413:3D rendered 363:solid-state 293:attenuation 283:3–20...3–26 279:3–10...3–13 234:Radiography 160:Radiography 142:fluoroscopy 138:mammography 44:Radiography 4593:Full body: 4379:endoscopic 4353:Ultrasound 4282:functional 4079:Lymphogram 4074:Venography 4042:Arthrogram 3620:Psychiatry 3606:(PM&R) 3599:Phlebology 3587:Pediatrics 3414:Anatomical 3379:Diagnostic 3359:Obstetrics 3309:Nephrology 3294:Hematology 3289:Geriatrics 3282:Hepatology 3267:Cardiology 3257:Immunology 2959:Scattering 2824:Helical CT 2690:X-ray tube 2221:23 October 2142:5 February 1418:References 1324:(from the 1309:ultrasound 1114:indirectly 1055:dosimeters 1035:digitizing 998:are used. 980:gamma rays 867:, and the 735:75 kV 700:, and the 635:wavelength 627:gamma rays 530:thromboses 379:diagnostic 337:, with an 172:gamma rays 148:Specialist 4796:Pregnancy 4675:Brain PET 4643:gamma ray 4579:DMSA scan 4433:Obstetric 4326:diffusion 4321:Sequences 4299:perfusion 4191:Pulmonary 4138:Cone beam 4032:Pyelogram 3808:Physician 3692:education 3550:Neurology 3545:Narcology 3409:Pathology 3387:Radiology 3262:Angiology 3226:Andrology 2488:Herman GT 1803:16 August 1771:16 August 1749:16 August 1723:16 August 1701:16 August 1392:Radiation 1015:Detectors 968:betatrons 895:Equipment 851:Campaigns 716:Shielding 659:Darwinius 590:radiology 526:aneurysms 463:calcaneum 130:bone scan 32:Radiology 4829:Category 4814:Category 4666:positron 4186:Coronary 3838:Category 3314:Oncology 3245:medicine 3243:Internal 3091:Medicine 2695:Betatron 2531:11749484 2490:(2009). 2282:27 April 2168:27 April 2109:16862412 2035:27648278 1953:10028632 1918:10194791 1856:29408150 1794:Archived 1556:10903700 1467:26908984 1351:See also 1335:rentogen 1197:using a 1118:directly 730:of lead 566:(called 507:vertebro 343:detector 240:ICD-9-CM 199:(either 197:detector 88:diseases 4713:Optical 4695:PET-MRI 4475:Carotid 4470:Scrotal 4364:doppler 4294:Cardiac 4203:Thyroid 4147:Targets 4098:CT scan 3878:Outline 3848:Commons 3793:Therapy 3690:Medical 3253:Allergy 3221:Urology 3114:Surgery 3038:History 2792:Imaging 2439:Bibcode 2417:7503016 2351:7998549 2211:vix.com 2100:2663651 2026:5016612 1636:FDA.gov 1458:4756338 1155:History 964:photons 930:Sources 662:fossil 594:imaging 510:basilar 505:of the 301:calcium 297:photons 266:D011859 4690:PET-CT 4465:Breast 4460:Rectal 4384:duplex 4316:Breast 4153:Heart 3868:Portal 3735:MD–PhD 3026:Others 2987:GISAXS 2659:L-edge 2654:K-edge 2546:MedPix 2529:  2498:  2476:  2414:  2349:  2308:17 May 2246:  2107:  2097:  2060:  2033:  2023:  1982:  1951:  1916:  1879:  1854:  1614:  1585:  1554:  1517:  1490:  1465:  1455:  1274:(then 1205:and a 1053:, and 978:. 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In 114:X-ray 105:tests 4485:FAST 4198:Head 3002:RIXS 2992:WAXS 2982:SAXS 2893:DFXM 2861:XDCT 2846:STXM 2841:XPCI 2829:XACT 2527:PMID 2496:ISBN 2474:ISBN 2347:PMID 2310:2012 2284:2013 2244:ISBN 2223:2017 2193:2011 2170:2013 2144:2018 2105:PMID 2058:ISBN 2031:PMID 1980:ISBN 1949:PMID 1914:PMID 1877:ISBN 1852:PMID 1805:2013 1773:2013 1751:2013 1725:2013 1703:2013 1666:(5). 1643:2018 1612:ISBN 1583:ISBN 1552:PMID 1515:ISBN 1488:ISBN 1463:PMID 1372:GXMO 1315:and 1250:mica 1063:dose 1002:Grid 944:and 879:and 833:Lead 584:and 562:and 512:and 447:DEXA 387:hard 385:and 383:soft 371:Bone 260:MeSH 253:88.6 249:88.0 4662:PET 4630:ECT 4628:3D/ 4510:2D/ 4411:ICE 4406:TEE 4401:TTE 4269:MRI 4000:DXR 3996:DXA 3991:KUB 3986:AXR 3974:CXR 3184:ENT 3102:and 3007:XRS 2949:XFH 2944:EDS 2929:AES 2919:XPS 2914:XAS 2898:DXA 2866:DCT 2814:CDI 2519:doi 2457:hdl 2447:doi 2412:PMC 2402:doi 2374:doi 2337:doi 2333:164 2095:PMC 2087:doi 2021:PMC 2013:doi 1972:doi 1941:doi 1906:doi 1842:hdl 1832:doi 1575:doi 1544:doi 1453:PMC 1445:doi 1240:of 1229:in 1041:or 1006:An 664:Ida 625:or 586:MRI 582:PET 572:). 432:). 367:CCD 126:PET 122:MRI 4831:: 4668:): 4645:): 4374:3D 3942:2D 3523:/ 3012:XS 2819:CT 2525:. 2515:99 2513:. 2455:. 2445:. 2435:48 2433:. 2429:. 2410:. 2370:24 2368:. 2345:. 2331:. 2327:. 2270:. 2258:^ 2209:. 2160:. 2132:13 2130:. 2126:. 2103:. 2093:. 2081:. 2052:. 2029:. 2019:. 2009:63 2007:. 2003:. 1978:. 1947:. 1937:50 1935:. 1912:. 1902:19 1900:. 1850:. 1840:. 1828:58 1826:. 1822:. 1664:42 1662:. 1634:. 1606:. 1581:. 1550:. 1540:20 1538:. 1461:. 1451:. 1441:31 1439:. 1435:. 1311:, 1307:, 1303:, 1299:, 1151:. 1061:, 1049:, 996:Cs 992:Co 990:, 988:Ir 982:, 970:, 645:. 600:. 281:, 247:, 245:87 170:, 140:, 136:, 132:, 128:, 124:, 120:, 118:CT 116:, 112:, 95:, 4715:/ 4664:( 4641:( 4020:/ 4011:/ 4007:/ 3998:/ 3930:/ 3912:e 3905:t 3898:v 3083:e 3076:t 3069:v 2607:e 2600:t 2593:v 2533:. 2521:: 2504:. 2482:. 2463:. 2459:: 2449:: 2441:: 2420:. 2404:: 2380:. 2376:: 2353:. 2339:: 2312:. 2286:. 2252:. 2225:. 2195:. 2172:. 2146:. 2111:. 2089:: 2066:. 2037:. 2015:: 1988:. 1974:: 1955:. 1943:: 1920:. 1908:: 1885:. 1858:. 1844:: 1834:: 1807:. 1775:. 1753:. 1727:. 1705:. 1645:. 1620:. 1591:. 1577:: 1558:. 1546:: 1523:. 1496:. 1469:. 1447:: 1345:) 1339:( 666:. 251:- 38:. 20:)

Index

X-ray radiography
Radiology
Radiotherapy

Projectional radiography
Musculoskeletal
Cancer
bone fractures
screening tests
X-ray
CT
MRI
PET
bone scan
ultrasonography
mammography
fluoroscopy
Radiographer
imaging technique
X-rays
gamma rays
industrial radiography
airport security
backscatter X-ray
conventional radiography
X-ray generator
detector
photographic film
two-dimensional
projectional radiography

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