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PET-MRI

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43: 2930: 145:. There are varying approaches to the combination of the two technologies. Some designs are essentially separate machines, in the same room, with a bed that can transfer a patient from one scanner to another. Fully integrated systems are the most technically challenging to achieve, but provide greatest benefits in terms of the ability to make simultaneous, exactly aligned, acquisitions. 121:. Research studies are actively conducted at the moment to understand benefits of the new PET-MRI diagnostic method. The technology combines the exquisite structural and functional characterization of tissue provided by MRI with the extreme sensitivity of PET imaging of metabolism and tracking of uniquely labeled cell types or cell receptors. 221:
The same clinical decisions that would influence the choice between stand-alone CT or MR imaging would also determine areas where PET-CT or PET-MR would be preferred. For example, one advantage of MRI compared to CT is its superior soft tissue contrast, while CT has the advantage of being much faster
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Schulz, Volkmar; Weissler, Bjoern; Gebhardt, Pierre; Solf, Torsten; Lerche, Christoph; Fischer, Peter; Ritzert, Michael; Piemonte, Claudio; Goldschmidt, Benjamin; Vandenberghe, Stefaan; Salomon, Andre; Schaeffter, Tobias; Marsden, Paul (2011). "SiPM based preclinical PET/MR insert for a human 3T MR:
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the resultant image into fat and water, with pre-set attenuation factors. Disadvantages of this method include a lack of bone attenuation, and loss of the true continuous range of attenuation factors. Comparisons with PET-CT attenuation maps for oncology purposes however have shown that this is a
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Currently, the combination of positron emission tomography (PET) and magnetic resonance imaging (MRI) as a hybrid imaging modality is receiving great attention not only in its emerging clinical applications but also in the preclinical field. Several designs based on several different types of PET
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In areas of the body with predictable structures (e.g. the head), segmentation (where tissue is categorised using the MRI image data), or "atlas" methods can be used. In atlas methods a standard MR image, with associated CT attenuation data, can be warped to fit the actual patient anatomy.
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usable technique. The Dixon method can be combined with ultrashort echo time (UTE) sequences to better identify bone and increase the possible classes of tissue for segmentation. More sequences increase MRI acquisition time, and therefore the risk of motion artefacts.
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The combination of PET and MRI was mentioned in a 1991 Phd thesis by R. Raylman. Simultaneous PET/MR detection was first demonstrated in 1997, however it took another 13 years, and new detector technologies, for clinical systems to become commercially available.
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Disadvantages of this method include difficulty with unusual anatomy, a need for a suitable library of images, and the need to account for MR coil attenuation. Synthetic, or Substitute CT (sCT) methods to generate CT like data from MRI are also of interest for
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There is no correlation between MR image intensity and electron intensity, therefore conversion of MR images into an attenuation map is difficult. This is an active area of research and a range of approaches have been developed. One method uses a Dixon
218:, a simultaneous acquisition offers better alignment of images and direct correlation. Combining imaging modalities in one single scanning session also has the advantage of reducing the number of appointments and therefore improving patient comfort. 1917:
Larsson, Anne; Johansson, Adam; Axelsson, Jan; Nyholm, Tufve; Asklund, Thomas; Riklund, Katrine; Karlsson, Mikael (7 September 2012). "Evaluation of an attenuation correction method for PET/MR imaging of the head based on substitute CT images".
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Omidvari, Negar; Cabello, Jorge; Topping, Geoffrey; Schneider, Florian Roland; Paul, Stephan; Schwaiger, Markus; Ziegler, Sibylle I (4 October 2017). "PET performance evaluation of MADPET4: a small animal PET insert for a 7-Tesla MRI scanner".
252:) rotating rod source, which directly measures photon attenuation at 511 keV. PET-CT systems use a low-dose CT scan for AC. Since X-rays have a range of energies lower than 511 keV, AC values are closely approximated from 679:
Cho, Zang Hee; Son, Young Don; Choi, Eun Jung; Kim, Hang Keun; Kim, Jeong Hee; Lee, Sang Yoon; Ogawa, Seiji; Kim, Young Bo (3 August 2012). "In-vivo human brain molecular imaging with a brain-dedicated PET/MRI system".
233:. In contrast, no ionising radiation dose is obtained from MRI. PET-MR is therefore appealing in children, in particularly for serial follow-up examinations as used in oncology or chronic inflammatory conditions. 643:
Bremner JD; Vythilingam M; Vermetten E; et al. (May 2003). "MRI and PET study of deficits in hippocampal structure and function in women with childhood sexual abuse and posttraumatic stress disorder".
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Torigian, Drew A.; Zaidi, Habib; Kwee, Thomas C.; Saboury, Babak; Udupa, Jayaram K.; Cho, Zang-Hee; Alavi, Abass (April 2013). "PET/MR Imaging: Technical Aspects and Potential Clinical Applications".
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van Dalen, Jorn A.; Visser, Eric P.; Vogel, Wouter V.; Corstens, Frans H. M.; Oyen, Wim J. G. (1 March 2007). "Impact of Ge-68/Ga-68-based versus CT-based attenuation correction on PET".
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obtained. For body PET-CT applications, the CT part of the examination constitutes approximately 60-80% of the radiation dose, with the remaining radiation dose originating from the PET
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Keereman, Vincent; Mollet, Pieter; Berker, Yannick; Schulz, Volkmar; Vandenberghe, Stefaan (1 February 2013). "Challenges and current methods for attenuation correction in PET/MR".
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Mannheim, Julia G.; Schmid, Andreas M.; Schwenck, Johannes; Katiyar, Prateek; Herfert, Kristina; Pichler, Bernd J.; Disselhorst, Jonathan A. (July 2018). "PET/MRI Hybrid Systems".
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Currently Siemens and GE are the only companies to offer a fully integrated whole body and simultaneous acquisition PET-MRI system. The Siemens system (Biograph mMR) received a
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Martí-Climent, Josep M.; Prieto, Elena; Morán, Verónica; Sancho, Lidia; Rodríguez-Fraile, Macarena; Arbizu, Javier; García-Velloso, María J.; Richter, José A. (December 2017).
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Computer screenshot showing a PET image (upper left), MRI image (upper right) and the combined PET-MRI image where PET data is overlaid over the MRI data (lower right)
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Ehman, Eric C.; Johnson, Geoffrey B.; Villanueva-Meyer, Javier E.; Cha, Soonmee; Leynes, Andrew Palmera; Larson, Peder Eric Zufall; Hope, Thomas A. (November 2017).
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Bai, Chuanyong; Shao, Ling; Silva, A. J. Da; Zhao, Zuo (October 2003). "A generalized model for the conversion from CT numbers to linear attenuation coefficients".
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approach where actual voxel intensities (contrast data) are used in combination with machine learning (trained on MR/CT data) to assign electron density values.
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Several companies offer MR-compatible preclinical PET scanner inserts for use in the bore of an existing MRI, enabling simultaneous PET/MR image acquisition.
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Nagy, Kálmán; Tóth, Miklós; Major, Péter; Patay, Győző; Egri, G.; Häggkvist, Jenny; Varrone, Andrea; Farde, Lars; Halldin, Christer; Gulyás, Balázs (2013).
2430: 1254:"Preliminary Results that Assess Metformin Treatment in a Preclinical Model of Pancreatic Cancer Using Simultaneous [18F]FDG PET and acidoCEST MRI" 2758: 2030: 2866: 1102:
Wehner, Jakob; Weissler, Bjoern; Dueppenbecker, Peter; Gebhardt, Pierre; Schug, David; Ruetten, Walter; Kiessling, Fabian; Schulz, Volkmar (2013).
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Dimou E; Booij J; Rodrigues M; et al. (June 2009). "Amyloid PET and MRI in Alzheimer's disease and mild cognitive impairment".
414: 214:) information from CT or MRI. Although images from different modalities collected at different scanning sessions can be overlaid by 157:
PET-MRI systems were installed by Philips at Mount Sinai Medical Centre in the United States and at Geneva University Hospital in
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Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
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Wehner, J; Weissler, B; Dueppenbecker, P M; Gebhardt, P; Goldschmidt, B; Schug, D; Kiessling, F; Schulz, V (21 March 2015).
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Siemens was the first company to offer simultaneous PET/MR acquisitions, with the first systems installed in 2010 based on
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Stand alone PET systems' attenuation correction (AC) is based on a transmission scan (mu - map) acquired using a Ge (
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detector technology have been developed in recent years, some of which have been used for first preclinical studies.
1205:"MR-compatibility assessment of the first preclinical PET-MRI insert equipped with digital silicon photomultipliers" 2653: 2388: 2128: 226: 78: 2954: 2894: 2562: 2552: 2933: 2884: 2663: 2542: 2515: 2276: 2061: 2016: 327:
Antoch, Gerald; Bockisch, Andreas (2008). "Combined PET/MRI: a new dimension in whole-body oncology imaging?".
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Several companies offer clinical and pre-clinical combined PET-MR system; clinical systems are available from
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Wagenknecht, Gudrun; Kaiser, Hans-Jürgen; Mottaghy, Felix M.; Herzog, Hans (1 February 2013).
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Luna, Antonio; Vilanova, Joan C.; Hygino da Cruz, L. Celso Jr.; Rossi, Santiago E. (2013).
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Hofmann, Matthias; Pichler, Bernd; Schölkopf, Bernhard; Beyer, Thomas (23 December 2008).
1776: 555:"Hybrid PET/MR imaging of the heart: potential, initial experiences, and future prospects" 253: 957:
PET/MRI: Advances in Instrumentation and Quantitative Procedures, An Issue of PET Clinics
595:"Imaging of traumatic brain injury patients swifter and safer with new technology at NIH" 514:"Workflow and scan protocol considerations for integrated whole-body PET/MRI in oncology" 1834: 1718: 1597: 1220: 1119: 1025:
Judenhofer, Martin S.; Cherry, Simon R. (2013). "Applications for Preclinical PET/MRI".
2861: 1894: 1867: 1682: 1647: 1505: 1480: 1456: 1421: 1397: 1372: 1278: 1253: 1136: 1103: 931: 906: 813: 788: 130: 1963:"Towards quantitative PET/MRI: a review of MR-based attenuation correction techniques" 1843: 1808: 1750:"Towards quantitative PET/MRI: a review of MR-based attenuation correction techniques" 1748:
Hofmann, Matthias; Pichler, Bernd; Schölkopf, Bernhard; Beyer, Thomas (1 March 2009).
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Goldenberg, Joshua M.; Cárdenas-Rodríguez, Julio; Pagel, Mark D. (26 January 2018).
1088: 865: 709: 473:"Oncologic PET/MRI, part 2: bone tumors, soft-tissue tumors, melanoma, and lymphoma" 2876: 2729: 2724: 2631: 2455: 2440: 2374: 1947: 1189: 594: 364: 297: 285: 261: 249: 161:, in 2010. The system featured a PET and MRI scanner separated by a revolving bed. 118: 880: 2799: 2354: 2186: 2176: 2156: 2146: 2088: 2083: 2052: 1070: 804: 471:
Buchbender C; Heusner TA; Lauenstein TC; Bockisch A; et al. (August 2012).
386: 242: 158: 82: 1173: 1127: 657: 621: 2435: 2198: 2193: 2161: 1979: 1962: 1931: 1884: 1766: 1749: 1664: 1546: 1438: 1422:"Effective dose estimation for oncological and neurological PET/CT procedures" 1319: 1302: 1269: 693: 571: 554: 530: 513: 489: 472: 448: 431: 430:
Buchbender C; Heusner TA; Lauenstein TC; Bockisch A; et al. (June 2012).
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Functional Imaging in Oncology: Biophysical Basis and Technical Approaches
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Martinez-Möller A; Eiber M; Nekolla SG; et al. (September 2012).
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The GE system (SIGNA PET/MR) received its 510K & CE mark in 2014.
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One clear advantage of PET-MR compared to PET-CT is the lower total
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Rischpler C; Nekolla SG; Dregely I; Schwaiger M (March 2013).
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Magnetic Resonance Materials in Physics, Biology and Medicine
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Magnetic Resonance Materials in Physics, Biology and Medicine
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Magnetic Resonance Materials in Physics, Biology and Medicine
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Magnetic Resonance Materials in Physics, Biology and Medicine
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Vandenberghe, Stefaan; Marsden, Paul K (21 February 2015).
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European Journal of Nuclear Medicine and Molecular Imaging
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European Journal of Nuclear Medicine and Molecular Imaging
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European Journal of Nuclear Medicine and Molecular Imaging
881:"PET-MRI scanner opens new frontier in medical imaging" 67:
Positron emission tomography–magnetic resonance imaging
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Positron emission tomography–magnetic resonance imaging
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Jadvar, Hossein; Colletti, Patrick M. (January 2014).
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2011 IEEE Nuclear Science Symposium Conference Record
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Muzic, Raymond F.; DiFilippo, Frank P. (July 2014).
2903: 2875: 2831: 2780: 2757: 2747: 2712: 2629: 2620: 2471: 2387: 2347: 2266: 2225: 2216: 2060: 2046: 1344:"PET/MRI: Reflections Two Years After FDA Approval" 241:PET-MRI systems don't offer a direct way to obtain 105:Presently, the main clinical fields of PET-MRI are 56: 31: 1866:Edmund, Jens M.; Nyholm, Tufve (26 January 2017). 759:"The Past, Present and Future of PET/MRI Scanners" 1006:. U.S. Food and Drug Administration. 10 June 2011 245:maps, unlike stand-alone PET or PET-CT systems. 2024: 8: 984:. 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1383:(3): 199–208. 1377:Semin Nucl Med 1360: 1334: 1293: 1264:(4): 575–583. 1244: 1195: 1151: 1094: 1079: 1052: 1017: 995: 973: 966: 946: 917:(3): 242–254. 897: 871: 844:(4): 332–347. 828: 776: 750: 715: 671: 635: 600: 586: 545: 524:(9): 1415–26. 504: 483:(8): 1244–52. 463: 422: 415: 392: 370: 318: 317: 315: 312: 311: 310: 305: 300: 293: 290: 238: 235: 199: 196: 187: 184: 150: 147: 131:United Imaging 126: 123: 102: 99: 73:) is a hybrid 62: 61: 58: 54: 53: 50: 40: 39: 38: 37: 34: 33: 24: 14: 13: 10: 9: 6: 4: 3: 2: 2972: 2961: 2958: 2956: 2953: 2952: 2950: 2935: 2927: 2926: 2923: 2917: 2914: 2912: 2909: 2908: 2906: 2902: 2896: 2893: 2891: 2888: 2886: 2883: 2882: 2880: 2878: 2874: 2868: 2865: 2863: 2860: 2858: 2855: 2851: 2848: 2847: 2846: 2843: 2842: 2840: 2838: 2834: 2830: 2816: 2813: 2811: 2808: 2806: 2803: 2801: 2798: 2796: 2793: 2792: 2790: 2787: 2783: 2779: 2773: 2770: 2769: 2767: 2764: 2760: 2756: 2753: 2751: 2746: 2736: 2733: 2731: 2730:Ga-68-DOTATOC 2728: 2726: 2723: 2721: 2718: 2717: 2715: 2711: 2705: 2702: 2700: 2697: 2695: 2692: 2690: 2687: 2685: 2682: 2680: 2677: 2675: 2672: 2670: 2667: 2665: 2662: 2660: 2657: 2655: 2652: 2650: 2647: 2645: 2642: 2641: 2638: 2635: 2633: 2628: 2625: 2623: 2619: 2611: 2608: 2606: 2603: 2602: 2601: 2598: 2596: 2593: 2591: 2588: 2586: 2583: 2581: 2578: 2574: 2571: 2569: 2566: 2565: 2564: 2561: 2559: 2556: 2554: 2551: 2549: 2546: 2544: 2543:Intravascular 2541: 2539: 2536: 2532: 2529: 2527: 2524: 2522: 2519: 2517: 2514: 2513: 2512: 2509: 2505: 2502: 2500: 2497: 2495: 2492: 2490: 2487: 2485: 2482: 2481: 2479: 2478: 2476: 2474: 2470: 2464: 2463:Synthetic MRI 2461: 2457: 2454: 2452: 2449: 2447: 2444: 2443: 2442: 2439: 2437: 2434: 2432: 2429: 2427: 2424: 2420: 2417: 2416: 2415: 2412: 2410: 2407: 2403: 2400: 2399: 2398: 2395: 2394: 2392: 2390: 2386: 2376: 2373: 2371: 2368: 2366: 2363: 2361: 2358: 2356: 2353: 2352: 2350: 2346: 2334: 2331: 2330: 2329: 2326: 2324: 2321: 2319: 2316: 2312: 2309: 2307: 2304: 2303: 2302: 2299: 2295: 2292: 2291: 2290: 2287: 2283: 2280: 2278: 2275: 2274: 2272: 2271: 2269: 2265: 2259: 2256: 2254: 2253:Electron beam 2251: 2249: 2246: 2244: 2241: 2239: 2236: 2234: 2231: 2230: 2228: 2224: 2221: 2219: 2215: 2205: 2204:Orbital x-ray 2202: 2200: 2197: 2195: 2192: 2188: 2185: 2183: 2180: 2179: 2178: 2175: 2173: 2170: 2168: 2165: 2163: 2160: 2158: 2155: 2153: 2150: 2148: 2145: 2143: 2139: 2136: 2134: 2130: 2126: 2123: 2121: 2117: 2114: 2112: 2109: 2107: 2104: 2100: 2099:Bronchography 2097: 2096: 2095: 2092: 2090: 2087: 2085: 2082: 2080: 2077: 2075: 2072: 2071: 2068: 2065: 2063: 2059: 2056: 2054: 2049: 2045: 2041: 2034: 2029: 2027: 2022: 2020: 2015: 2014: 2011: 2000: 1996: 1991: 1986: 1981: 1976: 1972: 1968: 1964: 1957: 1954: 1949: 1945: 1941: 1937: 1933: 1929: 1925: 1921: 1913: 1910: 1905: 1901: 1896: 1891: 1886: 1881: 1877: 1873: 1869: 1862: 1859: 1854: 1850: 1845: 1840: 1836: 1832: 1827: 1822: 1818: 1814: 1810: 1803: 1800: 1795: 1791: 1787: 1783: 1778: 1773: 1768: 1763: 1760:(1): 93–104. 1759: 1755: 1751: 1744: 1741: 1736: 1732: 1728: 1724: 1720: 1716: 1712: 1708: 1701: 1698: 1693: 1689: 1684: 1679: 1675: 1671: 1666: 1661: 1658:(1): 99–113. 1657: 1653: 1649: 1642: 1640: 1638: 1636: 1634: 1632: 1628: 1623: 1619: 1615: 1611: 1607: 1603: 1599: 1595: 1591: 1587: 1580: 1577: 1572: 1568: 1564: 1560: 1556: 1552: 1548: 1544: 1540: 1536: 1529: 1527: 1525: 1521: 1516: 1512: 1507: 1502: 1498: 1494: 1490: 1486: 1482: 1475: 1472: 1467: 1463: 1458: 1453: 1449: 1445: 1440: 1435: 1431: 1427: 1423: 1416: 1413: 1408: 1404: 1399: 1394: 1390: 1386: 1382: 1378: 1374: 1370: 1364: 1361: 1349: 1345: 1338: 1335: 1330: 1326: 1321: 1316: 1312: 1308: 1304: 1297: 1294: 1289: 1285: 1280: 1275: 1271: 1267: 1263: 1259: 1255: 1248: 1245: 1240: 1236: 1231: 1226: 1222: 1218: 1214: 1210: 1206: 1199: 1196: 1191: 1187: 1183: 1179: 1175: 1171: 1167: 1163: 1155: 1152: 1147: 1143: 1138: 1133: 1129: 1125: 1121: 1117: 1113: 1109: 1105: 1098: 1095: 1090: 1086: 1082: 1076: 1072: 1068: 1064: 1056: 1053: 1048: 1044: 1040: 1036: 1032: 1028: 1021: 1018: 1005: 999: 996: 983: 977: 974: 969: 967:9780323417686 963: 959: 958: 950: 947: 942: 938: 933: 928: 924: 920: 916: 912: 908: 901: 898: 886: 882: 875: 872: 867: 863: 859: 855: 851: 847: 843: 839: 832: 829: 824: 820: 815: 810: 806: 802: 798: 794: 790: 783: 781: 777: 764: 760: 754: 751: 746: 742: 738: 734: 730: 726: 719: 716: 711: 707: 703: 699: 695: 691: 687: 683: 675: 672: 667: 663: 659: 655: 652:(5): 924–32. 651: 647: 639: 636: 631: 627: 623: 619: 615: 611: 604: 601: 596: 590: 587: 582: 578: 573: 568: 565:(3): 402–15. 564: 560: 556: 549: 546: 541: 537: 532: 527: 523: 519: 515: 508: 505: 500: 496: 491: 486: 482: 478: 474: 467: 464: 459: 455: 450: 445: 442:(6): 928–38. 441: 437: 433: 426: 423: 418: 416:9783642404122 412: 408: 407: 399: 397: 393: 388: 384: 380: 374: 371: 366: 362: 358: 354: 350: 346: 342: 338: 334: 330: 323: 320: 313: 309: 306: 304: 301: 299: 296: 295: 291: 289: 287: 286:MRI artifacts 282: 280: 276: 270: 267: 263: 257: 255: 251: 246: 244: 236: 234: 232: 228: 223: 219: 217: 213: 209: 205: 197: 195: 192: 185: 183: 180: 178: 174: 169: 167: 162: 160: 156: 148: 146: 144: 140: 136: 132: 125:Manufacturers 124: 122: 120: 116: 112: 108: 100: 98: 94: 92: 88: 84: 80: 76: 72: 68: 59: 55: 44: 35: 30: 27: 19: 2911:Acute stroke 2877:Thermography 2814: 2632:scintigraphy 2622:Radionuclide 2610:pre-hospital 2456:Tractography 2375:Radiodensity 2277:calcium scan 2238:Quantitative 1970: 1966: 1956: 1923: 1919: 1912: 1875: 1871: 1861: 1816: 1812: 1802: 1757: 1753: 1743: 1710: 1706: 1700: 1655: 1651: 1589: 1585: 1579: 1541:(1): 81–98. 1538: 1534: 1488: 1484: 1474: 1429: 1425: 1415: 1380: 1376: 1363: 1351:. Retrieved 1347: 1337: 1310: 1306: 1296: 1261: 1257: 1247: 1212: 1208: 1198: 1165: 1161: 1154: 1111: 1107: 1097: 1062: 1055: 1033:(1): 19–29. 1030: 1026: 1020: 1008:. Retrieved 998: 986:. Retrieved 976: 956: 949: 914: 910: 900: 888:. Retrieved 884: 874: 841: 837: 831: 799:(1): 84–94. 796: 792: 767:. Retrieved 765:. 5 May 2017 762: 753: 731:(1): 26–44. 728: 724: 718: 688:(1): 71–79. 685: 681: 674: 649: 645: 638: 616:(3): 312–9. 613: 609: 603: 589: 562: 558: 548: 521: 517: 507: 480: 476: 466: 439: 435: 425: 405: 373: 332: 328: 322: 298:Neuroimaging 283: 271: 262:MRI sequence 258: 250:Germanium-68 247: 240: 224: 220: 201: 193: 189: 181: 170: 163: 152: 128: 119:neuroscience 104: 101:Applications 95: 70: 66: 65: 26: 2800:Cardiac PET 2573:renal tract 2548:Gynecologic 2480:Techniques 2451:restriction 2426:Angiography 2409:Neurography 2355:Fluoroscopy 2301:Angiography 2282:angiography 2226:Techniques: 2187:Aortography 2177:Angiography 2157:Cystography 2147:Mammography 2089:Myelography 2084:Sialography 2053:radiography 243:attenuation 168:detectors. 159:Switzerland 83:soft tissue 2949:Categories 2713:Full body: 2499:endoscopic 2473:Ultrasound 2402:functional 2199:Lymphogram 2194:Venography 2162:Arthrogram 1826:1510.04875 1369:Pichler BJ 1353:15 January 890:15 January 769:15 January 314:References 222:than MRI. 212:anatomical 155:whole body 111:cardiology 2916:Pregnancy 2795:Brain PET 2763:gamma ray 2699:DMSA scan 2553:Obstetric 2446:diffusion 2441:Sequences 2419:perfusion 2311:Pulmonary 2258:Cone beam 2152:Pyelogram 1878:(1): 28. 1786:1619-7070 1735:0018-9499 1674:0968-5243 1614:2473-4209 1555:0968-5243 1448:2191-219X 1432:(1): 37. 1010:4 January 988:5 January 725:Radiology 387:303945199 349:1619-7070 115:neurology 2934:Category 2786:positron 2306:Coronary 1999:19104810 1940:22955943 1904:28126030 1853:25650582 1794:19104810 1692:23179594 1622:17441234 1571:22198626 1563:22875599 1515:28370695 1466:28439843 1407:18396179 1329:23990683 1288:29374343 1239:25684065 1182:28976912 1146:25843999 1089:27832030 1047:23178086 941:25497909 866:46924919 858:29852943 823:23791129 745:23525716 710:10721235 702:22864642 666:12727697 630:19519314 581:23404088 540:22879079 499:22782313 458:22582048 383:ProQuest 357:19104802 292:See also 266:segments 107:oncology 2833:Optical 2815:PET-MRI 2595:Carotid 2590:Scrotal 2484:doppler 2414:Cardiac 2323:Thyroid 2267:Targets 2218:CT scan 1948:7334804 1895:5270229 1831:Bibcode 1715:Bibcode 1683:3572388 1594:Bibcode 1506:5623147 1457:5403773 1398:2762705 1279:6043393 1217:Bibcode 1190:4352807 1137:4376059 1116:Bibcode 932:4451572 814:3800216 365:8153201 173:CE mark 139:Siemens 135:Philips 71:PET–MRI 57:Purpose 18:PET/MRI 2810:PET-CT 2585:Breast 2580:Rectal 2504:duplex 2436:Breast 2273:Heart 1997:  1946:  1938:  1902:  1892:  1851:  1792:  1784:  1733:  1690:  1680:  1672:  1620:  1612:  1569:  1561:  1553:  1513:  1503:  1464:  1454:  1446:  1405:  1395:  1327:  1286:  1276:  1237:  1188:  1180:  1144:  1134:  1087:  1077:  1045:  964:  939:  929:  864:  856:  821:  811:  743:  708:  700:  664:  628:  579:  538:  497:  456:  413:  385:  363:  355:  347:  264:, and 141:, and 117:, and 89:(PET) 81:(MRI) 2837:Laser 2759:SPECT 2568:renal 2397:Brain 2348:Other 2048:X-ray 1944:S2CID 1821:arXiv 1567:S2CID 1186:S2CID 1085:S2CID 862:S2CID 706:S2CID 361:S2CID 279:voxel 2605:FAST 2318:Head 1995:PMID 1936:PMID 1900:PMID 1849:PMID 1790:PMID 1782:ISSN 1731:ISSN 1688:PMID 1670:ISSN 1618:PMID 1610:ISSN 1559:PMID 1551:ISSN 1511:PMID 1462:PMID 1444:ISSN 1403:PMID 1355:2019 1325:PMID 1284:PMID 1235:PMID 1178:PMID 1142:PMID 1075:ISBN 1043:PMID 1012:2014 990:2014 962:ISBN 937:PMID 892:2019 854:PMID 819:PMID 771:2019 741:PMID 698:PMID 662:PMID 626:PMID 577:PMID 536:PMID 495:PMID 454:PMID 411:ISBN 353:PMID 345:ISSN 175:and 2782:PET 2750:ECT 2748:3D/ 2630:2D/ 2531:ICE 2526:TEE 2521:TTE 2389:MRI 2120:DXR 2116:DXA 2111:KUB 2106:AXR 2094:CXR 1985:hdl 1975:doi 1928:doi 1890:PMC 1880:doi 1839:doi 1772:hdl 1762:doi 1723:doi 1678:PMC 1660:doi 1602:doi 1543:doi 1501:PMC 1493:doi 1452:PMC 1434:doi 1393:PMC 1385:doi 1315:doi 1274:PMC 1266:doi 1225:doi 1170:doi 1132:PMC 1124:doi 1112:734 1067:doi 1035:doi 927:PMC 919:doi 846:doi 809:PMC 801:doi 733:doi 729:267 690:doi 654:doi 650:160 618:doi 567:doi 526:doi 485:doi 444:doi 337:doi 177:FDA 2951:: 2788:): 2765:): 2494:3D 2062:2D 1993:. 1983:. 1971:36 1969:. 1965:. 1942:. 1934:. 1924:26 1922:. 1898:. 1888:. 1876:12 1874:. 1870:. 1847:. 1837:. 1829:. 1817:60 1815:. 1811:. 1788:. 1780:. 1770:. 1758:36 1756:. 1752:. 1729:. 1721:. 1711:50 1709:. 1686:. 1676:. 1668:. 1656:26 1654:. 1650:. 1630:^ 1616:. 1608:. 1600:. 1590:34 1588:. 1565:. 1557:. 1549:. 1539:26 1537:. 1523:^ 1509:. 1499:. 1489:46 1487:. 1483:. 1460:. 1450:. 1442:. 1428:. 1424:. 1401:. 1391:. 1381:38 1379:. 1375:. 1346:. 1323:. 1311:54 1309:. 1305:. 1282:. 1272:. 1262:20 1260:. 1256:. 1233:. 1223:. 1213:60 1211:. 1207:. 1184:. 1176:. 1166:62 1164:. 1140:. 1130:. 1122:. 1110:. 1106:. 1083:. 1073:. 1041:. 1031:43 1029:. 935:. 925:. 915:49 913:. 909:. 883:. 860:. 852:. 842:48 840:. 817:. 807:. 797:83 795:. 791:. 779:^ 761:. 739:. 727:. 704:. 696:. 686:26 684:. 660:. 648:. 624:. 612:. 575:. 563:54 561:. 557:. 534:. 522:53 520:. 516:. 493:. 481:53 479:. 475:. 452:. 440:53 438:. 434:. 395:^ 381:. 359:. 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Index

PET/MRI
PET-IRM-cabeza-Keosys.JPG
imaging technology
magnetic resonance imaging
soft tissue
positron emission tomography
functional imaging
oncology
cardiology
neurology
neuroscience
United Imaging
Philips
Siemens
GE
whole body
Switzerland
avalanche photodiode
CE mark
FDA
computed tomography
functional imaging
anatomical
image registration
ionising radiation dose
radiopharmaceutical
attenuation
Germanium-68
Hounsfield units
MRI sequence

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