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Seborrheic keratosis

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62: 180: 195: 389: 155:. Because only the top layers of the epidermis are involved, seborrheic keratoses are often described as having a "pasted on" appearance. Some dermatologists refer to seborrheic keratoses as "seborrheic warts", because they resemble warts, but strictly speaking, the term "warts" refers to lesions that are caused by the 433:
Seborrheic keratosis is the most common benign skin tumor. Incidence increases with age. There is less prevalence in people with darker skin. In large-cohort studies, all patients aged 50 and older had at least one seborrheic keratosis. Onset is usually in middle age, although they are common in
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Visual diagnosis is made by the "stuck on" appearance, horny pearls or cysts embedded in the structure. Darkly pigmented lesions can be challenging to distinguish from nodular melanomas. Furthermore, thin seborrheic keratoses on facial skin can be very difficult to differentiate from
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can clinically resemble seborrheic keratoses, and dermatoscopy can be helpful to differentiate them. On the penis and genital skin, condylomas and seborrheic keratoses can be difficult to differentiate, even on biopsy.
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Yeatman JM, Kilkenny M, Marks R (September 1997). "The prevalence of seborrhoeic keratoses in an Australian population: does exposure to sunlight play a part in their frequency?".
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Medical reasons for removing seborrheic keratoses include irritation and bleeding. They may also be removed for cosmetic reasons. Generally, lesions can be treated with
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from a healing wound, and range in size from very small to more than 2.5 centimetres (1 in) across. They are often associated with other skin conditions, including
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Chen, Tiffany Y.; Morrison, Annie O.; Cockerell, Clay J. (2017-09-01). "Cutaneous malignancies simulating seborrheic keratoses: An underappreciated phenomenon?".
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on the face, a condition generally presenting on darker-skinned individuals. DPN is extremely common, affecting up to 30% of black people in the United States.
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A study examining over 4,000 biopsied skin lesions identified clinically as seborrheic keratoses showed 3.1% were malignancies. Two-thirds of those were
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Inverted follicular keratosis is generally thought to be a rare variant of seborrheic keratosis, but this position is not universally accepted.
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younger patients too, as they are found in 12% of 15-year-olds to 25-year-olds, which makes the term "senile keratosis" a misnomer.
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Tan, Kong-Bing; Tan, Sze-Hwa; Aw, Derrick Chen-Wee; Jaffar, Huma; Lim, Thiam-Chye; Lee, Shu-Jin; Lee, Yoke-Sun (2013).
373: 135:) appear in various colours, from light tan to black. They are round or oval, feel flat or slightly elevated, like the 3268: 3067: 2908: 2771: 2670: 2539: 2534: 2516: 2035: 1566: 1521: 466:
Karadag, AyseSerap; Ozlu, Emin; Uzuncakmak, TugbaKevser; Akdeniz, Necmettin; Cobanoglu, Bengu; Oman, Berkant (2016).
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Fusco, N.; Lopez, G.; Gianelli, U. (2015). "Basal Cell Carcinoma and Seborrheic Keratosis: When Opposites Attract".
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are similar to seborrheic keratoses in appearance. Epidermal nevi are usually present at or near birth.
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Reutter, Jason C.; Geisinger, Kim R.; Laudadio, Jennifer (2014). "Vulvar Seborrheic Keratosis".
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Dull or lackluster surface, and with round, loosely packed nests of cells seen histologically.
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Dull or lackluster surface, and with round, loosely packed nests of cells seen histologically.
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in the diagnosis of seborrheic keratosis is represented by the histolopathologic analysis of a
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The cause of seborrheic keratosis is not known. The only definitive association is that its
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Grimes PE, Arora S, Minus HR, Kenney JA Jr (1983). "Dermatosis papulosa nigra".
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Common. Dull or lackluster surface, and with church-spire-like projections of
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Dull or lackluster surface, and with keratin cysts seen histologically.
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Microscopically it is characterized as a well-circumscribed inverted
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Rapini, Ronald P.; Bolognia, Jean L.; Jorizzo, Joseph L. (2007).
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Seborrheic keratoses may be divided into the following types:
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Multiple seborrheic keratoses on the back of a patient with
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Dull or lackluster surface. It involves a proliferation of
128:, seborrheic keratoses are seen more often as people age. 527:
Hafner, C; Vogt, T (Aug 2008). "Seborrheic keratosis".
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Seborrheic verruca, basal cell papilloma, senile wart
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Cutaneous keratosis, ulcer, atrophy, and necrobiosis
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Palisaded neutrophilic and granulomatous dermatitis
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Andrews' Diseases of the Skin: Clinical Dermatology
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Journal der Deutschen Dermatologischen Gesellschaft
98: 88: 76: 51: 46: 2938:Lupus erythematosus–lichen planus overlap syndrome 965:"Cutaneous Melanoacanthoma: eMedicine Dermatology" 788:Luba MC, Bangs SA, Mohler AM, Stulberg DL (2003). 267:(basal cell papilloma, solid seborrheic keratosis) 1383:Diseases of the skin and appendages by morphology 116:) skin tumour that originates from cells, namely 2986:Morphea–lichen sclerosus et atrophicus overlap 619:James, William D.; Berger, Timothy G. (2006). 3651:Inflammatory linear verrucous epidermal nevus 3204: 2449: 1868:Pityriasis lichenoides et varioliformis acuta 1368: 589:Fitzpatrick's Dermatology in General Medicine 102:Electrodesiccation and curettage, cryotherapy 8: 1522:Dermatofibroma (benign fibrous histiocytoma) 120:, in the outer layer of the skin called the 27:Benign skin tumor originating in keratocytes 3407:Aggressive digital papillary adenocarcinoma 934: 932: 704:International Journal of Surgical Pathology 587:Fitzpatrick, T.B.; Freedberg, I.M. (2003). 405:(DPN) is a condition of many small, benign 3615: 3471: 3443:Primary cutaneous adenoid cystic carcinoma 3243: 3234: 3211: 3197: 3189: 2893: 2707: 2456: 2442: 2434: 2245: 2143: 2015: 2004: 1997: 1601: 1590: 1392: 1375: 1361: 1353: 1231: 94:Based on clinical examination, skin biopsy 60: 43: 2550:Seborrheic keratosis with squamous atypia 1206: 1189:Gill D, Dorevitch A, Marks R (Jun 2000). 1130: 1120: 1005: 995: 614: 612: 610: 608: 493: 483: 335:Seborrheic keratosis with squamous atypia 3661:Pigmented hairy epidermal nevus syndrome 2791:Interstitial granulomatous drug reaction 2762:Annular elastolytic giant-cell granuloma 2584:Confluent and reticulated papillomatosis 2567:Keratosis punctata of the palmar creases 249: 3700:Unilateral palmoplantar verrucous nevus 2636:Multiple minute digitate hyperkeratosis 2621:Hyperkeratosis of the nipple and areola 646: 644: 642: 640: 582: 580: 578: 576: 574: 572: 570: 568: 566: 519: 455: 3705:Zosteriform speckled lentiginous nevus 3552:Keratoacanthoma centrifugum marginatum 2493:Acrokeratosis paraneoplastica of Bazex 2175:Disseminated intravascular coagulation 747:Journal of Lower Genital Tract Disease 368:Asymptomatic, firm, white–tan to pink 3083:Atrophia maculosa varioliformis cutis 2787:Interstitial granulomatous dermatitis 1103:Zhang, Ru-Zhi; Zhu, Wen-Yuan (2011). 7: 3746:Epidermal nevi, neoplasms, and cysts 3321:Nevoid basal-cell carcinoma syndrome 2611:Hyperkeratosis lenticularis perstans 3063:Acrodermatitis chronica atrophicans 3165:Poikiloderma vasculare atrophicans 3058:Atrophoderma of Pasini and Pierini 2996:Atrophoderma of Pasini and Pierini 1957:Postinflammatory hyperpigmentation 1168:10.1111/j.1365-2133.1997.tb03748.x 943:. St. Louis: Mosby. p. 1665. 25: 3106:Reactive perforating collagenosis 2740:Granuloma annulare in HIV disease 1858:Transient acantholytic dermatosis 1084:. American Academy of Dermatology 472:Indian Dermatology Online Journal 374:acanthotic squamous proliferation 3656:Linear verrucous epidermal nevus 2555:Reticulated seborrheic keratosis 1967:Idiopathic guttate hypomelanosis 868:A Practical Guide to Skin Cancer 541:10.1111/j.1610-0387.2008.06788.x 419:electrodesiccation and curettage 387: 347:(pigmented seborrheic keratosis) 276:Reticulated seborrheic keratosis 3751:Dermal and subcutaneous growths 3671:Phakomatosis pigmentokeratotica 3121:Acquired perforating dermatosis 3111:Elastosis perforans serpiginosa 3051:Jadassohn–Pellizzari anetoderma 1977:Hypopigmented mycosis fungoides 253:Subtype (and alternative names) 2545:Irritated seborrheic keratosis 2218:Lichen sclerosis et atrophicus 1926:Subcorneal pustular dermatosis 1552:Infantile digital fibromatosis 824:Journal of Cutaneous Pathology 324:Irritated seborrheic keratosis 278:(adenoid seborrheic keratosis) 1: 3433:Microcystic adnexal carcinoma 3078:Linear atrophoderma of Moulin 2750:Patch-type granuloma annulare 2626:Inverted follicular keratosis 1810:Epidermolysis bullosa simplex 1647:Langerhans cell histiocytosis 1109:Indian Journal of Dermatology 591:(6th ed.). McGraw-Hill. 364:Inverted follicular keratosis 3666:Systematized epidermal nevus 3412:Extramammary Paget's disease 3046:Schweninger–Buzzi anetoderma 2745:Localized granuloma annulare 2286:Systemic lupus erythematosus 2041:Systemic lupus erythematosus 1732:Systemic lupus erythematosus 759:10.1097/LGT.0b013e3182952357 329:Dull or lackluster surface. 270:Dull or lackluster surface. 2772:Necrobiotic xanthogranuloma 2671:Waxy keratosis of childhood 2540:Common seborrheic keratosis 2535:Clonal seborrheic keratosis 2517:Keratoderma blennorrhagicum 1567:Lymphangioma circumscriptum 790:"Common benign skin tumors" 314:Clonal seborrheic keratosis 265:Common seborrheic keratosis 198:Seborrheic keratosis closup 186:of a seborrheic keratosis ( 18:Clonal seborrheic keratosis 3767: 3639:Nevus comedonicus syndrome 3274:Fibroepithelioma of Pinkus 2488:Paraneoplastic keratoderma 2389:Mucous membrane pemphigoid 1208:10.1001/archderm.136.6.759 29: 2560:Dermatosis papulosa nigra 2483:Keratoderma climactericum 941:Dermatology: 2-Volume Set 900:Dermatosis Papulosa Nigra 403:Dermatosis papulosa nigra 190:, scanning magnification) 131:The tumours (also called 68: 59: 3634:Schimmelpenning syndrome 3629:Epidermal nevus syndrome 3384:Erythroplasia of Queyrat 3116:Perforating folliculitis 3068:Semicircular lipoatrophy 2505:Drug-induced keratoderma 2154:Thrombocytopenic purpura 1800:Dermatitis herpetiformis 1785:Acute contact dermatitis 1737:Pityriasis rubra pilaris 1662:Wiskott–Aldrich syndrome 1632:Lichen simplex chronicus 1512:Epidermal inclusion cyst 871:. Springer. p. 80. 865:Hanlon, Allison (2018). 716:10.1177/1066896915593802 485:10.4103/2229-5178.182354 444:The sign of Leser-TrĂ©lat 380:and without significant 30:Not to be confused with 3073:Follicular atrophoderma 2861:eosinophilic dermatosis 2419:Squamous-cell carcinoma 2414:Systemic histoplasmosis 1805:Porphyria cutanea tarda 1435:Squamous-cell carcinoma 1122:10.4103/0019-5154.84754 229:squamous cell carcinoma 3514:Pilar sheath acanthoma 2801:Foreign body granuloma 2712:Necrobiotic/palisading 2606:Chronic scar keratosis 2394:Cicatricial pemphigoid 2311:Acne keloidalis nuchae 2306:Folliculitis decalvans 1082:"Seborrheic keratoses" 984:Journal of Skin Cancer 398:Differential diagnoses 199: 191: 145:differential diagnosis 3453:Malignant mixed tumor 3428:Merkel-cell carcinoma 2976:Localized scleroderma 2757:Necrobiosis lipoidica 2689:Cutis verticis gyrata 2616:Hydrocarbon keratosis 2500:Aquagenic keratoderma 2296:Loose anagen syndrome 2223:Necrobiosis lipoidica 2159:Actinic/solar purpura 1833:Insect bite reactions 1622:Seborrheic dermatitis 1445:Merkel-cell carcinoma 1425:Molluscum contagiosum 623:. Saunders Elsevier. 197: 182: 32:seborrheic dermatitis 3547:Generalized eruptive 3524:Seborrheic keratosis 3139:Pyoderma gangrenosum 3001:Pansclerotic morphea 2782:Rheumatoid nodulosis 2767:Granuloma multiforme 2646:Reactional keratosis 2596:Ichthyosis acquisita 2579:Acanthosis nigricans 2530:Seborrheic keratosis 2471:Epidermal thickening 2119:Annulare centrifugum 1642:Glucagonoma syndrome 1440:Basal-cell carcinoma 1415:Seborrheic keratosis 171:increases with age. 157:human papillomavirus 141:basal cell carcinoma 112:is a non-cancerous ( 110:seborrheic keratosis 47:Seborrheic keratosis 3690:Nevus unius lateris 3448:Verrucous carcinoma 2991:Generalized morphea 2829:Zirconium granuloma 2809:Beryllium granuloma 2677:other hypertrophy: 2631:Lichenoid keratosis 2601:Arsenical keratosis 2364:Aphthous stomatitis 2301:Lichen planopilaris 2276:Androgenic alopecia 2082:Fixed drug eruption 1657:Pemphigus foliaceus 1557:Granular cell tumor 997:10.1155/2013/752864 308:, ankle, and foot. 3438:Mucinous carcinoma 3379:Bowenoid papulosis 3011:Linear scleroderma 2824:Silicone granuloma 2720:Granuloma annulare 2384:Pemphigus vulgaris 2213:Granuloma annulare 2077:Carcinoid syndrome 1962:Tuberous sclerosis 1921:Coccidioidomycosis 1795:Bullous pemphigoid 1790:Pemphigus vulgaris 1722:Secondary syphilis 1612:Contact dermatitis 1316:External resources 200: 192: 3733: 3732: 3729: 3728: 3646:Nevus comedonicus 3607: 3606: 3603: 3602: 3529:Warty dyskeratoma 3461: 3460: 3389:Actinic keratosis 3186: 3185: 3182: 3181: 2981:Localized morphea 2953:Rowell's syndrome 2877: 2876: 2867:Granuloma faciale 2814:Mercury granuloma 2684:Hypertrophic scar 2666:Warty dyskeratoma 2656:Thermal keratosis 2431: 2430: 2427: 2426: 2271:Telogen effluvium 2235: 2234: 2231: 2230: 2192: 2191: 2188: 2187: 2133: 2132: 1985: 1984: 1853:Lichen spinulosus 1848:Keratosis pilaris 1727:Mycosis fungoides 1627:Stasis dermatitis 1617:Atopic dermatitis 1580: 1579: 1455:Trichoepithelioma 1430:Actinic keratosis 1350: 1349: 1037:(4): 385–6, 392. 950:978-1-4160-2999-1 836:10.1111/cup.12975 630:978-0-7216-2921-6 395: 394: 106: 105: 90:Diagnostic method 71:Leser–TrĂ©lat sign 41:Medical condition 36:actinic keratosis 16:(Redirected from 3758: 3695:Patch blue nevus 3616: 3580:Verruca vulgaris 3472: 3369:Marjolin's ulcer 3357:Signet-ring-cell 3244: 3235: 3213: 3206: 3199: 3190: 3155:Calcinosis cutis 3036:Lichen sclerosus 3006:Morphea profunda 2894: 2819:Silica granuloma 2708: 2651:Stucco keratosis 2458: 2451: 2444: 2435: 2369:Oral candidiasis 2246: 2144: 2072:Erythema nodosum 2016: 2005: 1998: 1942:Tinea versicolor 1780:Bullous impetigo 1717:Pityriasis rosea 1652:Lichen sclerosus 1637:Darier's disease 1602: 1591: 1547:Kaposi's sarcoma 1393: 1377: 1370: 1363: 1354: 1232: 1221: 1220: 1210: 1186: 1180: 1179: 1151: 1145: 1144: 1134: 1124: 1100: 1094: 1093: 1091: 1089: 1078: 1072: 1071: 1069: 1067: 1053: 1047: 1046: 1026: 1020: 1019: 1009: 999: 975: 969: 968: 967:. 22 March 2023. 961: 955: 954: 936: 927: 920:Stucco Keratosis 916: 907: 896: 890: 889: 887: 885: 862: 856: 855: 819: 813: 812: 794:Am Fam Physician 785: 779: 778: 742: 736: 735: 699: 693: 692: 690: 688: 670: 664: 663: 658:. Archived from 656:Cleveland Clinic 648: 635: 634: 616: 603: 602: 584: 561: 560: 524: 508: 507: 497: 487: 460: 391: 287:Stucco keratosis 250: 64: 44: 21: 3766: 3765: 3761: 3760: 3759: 3757: 3756: 3755: 3736: 3735: 3734: 3725: 3709: 3675: 3619:Epidermal nevus 3599: 3595:Periungual wart 3566: 3539:Keratoacanthoma 3533: 3509:Melanoacanthoma 3467: 3457: 3416: 3393: 3374:Bowen's disease 3325: 3226: 3217: 3187: 3178: 3143: 3125: 3087: 3026: 3017: 2966: 2957: 2899: 2898:Cutaneous lupus 2886: 2873: 2853:Other/ungrouped 2848: 2795: 2693: 2661:Viral keratosis 2465: 2462: 2432: 2423: 2355: 2348: 2315: 2281:Alopecia areata 2259: 2241: 2227: 2184: 2163: 2139: 2129: 2086: 2045: 2031:Viral exanthems 2009: 1993: 1991: 1981: 1952:Pityriasis alba 1930: 1872: 1814: 1751: 1671: 1667:Zinc deficiency 1597: 1595: 1576: 1504: 1495: 1459: 1450:Nevus sebaceous 1384: 1381: 1351: 1346: 1345: 1311: 1310: 1243: 1229: 1224: 1188: 1187: 1183: 1153: 1152: 1148: 1102: 1101: 1097: 1087: 1085: 1080: 1079: 1075: 1065: 1063: 1055: 1054: 1050: 1028: 1027: 1023: 977: 976: 972: 963: 962: 958: 951: 938: 937: 930: 917: 910: 897: 893: 883: 881: 879: 864: 863: 859: 821: 820: 816: 787: 786: 782: 744: 743: 739: 701: 700: 696: 686: 684: 672: 671: 667: 650: 649: 638: 631: 618: 617: 606: 599: 586: 585: 564: 526: 525: 521: 517: 512: 511: 465: 463: 461: 457: 452: 440: 431: 415: 400: 378:squamous eddies 345:Melanoacanthoma 256:Characteristics 245: 231:. To date, the 205:lentigo maligna 177: 165: 42: 39: 28: 23: 22: 15: 12: 11: 5: 3764: 3762: 3754: 3753: 3748: 3738: 3737: 3731: 3730: 3727: 3726: 3724: 3723: 3721:Cutaneous horn 3717: 3715: 3711: 3710: 3708: 3707: 3702: 3697: 3692: 3686: 3684: 3677: 3676: 3674: 3673: 3668: 3663: 3658: 3653: 3648: 3643: 3642: 3641: 3636: 3631: 3622: 3620: 3613: 3609: 3608: 3605: 3604: 3601: 3600: 3598: 3597: 3592: 3587: 3582: 3576: 3574: 3568: 3567: 3565: 3564: 3559: 3554: 3549: 3543: 3541: 3535: 3534: 3532: 3531: 3526: 3521: 3516: 3511: 3506: 3505: 3504: 3499: 3494: 3489: 3480: 3478: 3469: 3463: 3462: 3459: 3458: 3456: 3455: 3450: 3445: 3440: 3435: 3430: 3424: 3422: 3418: 3417: 3415: 3414: 3409: 3403: 3401: 3399:Adenocarcinoma 3395: 3394: 3392: 3391: 3386: 3381: 3376: 3371: 3366: 3365: 3364: 3359: 3354: 3349: 3344: 3335: 3333: 3327: 3326: 3324: 3323: 3318: 3317: 3316: 3311: 3306: 3301: 3296: 3291: 3286: 3281: 3276: 3271: 3266: 3261: 3252: 3250: 3241: 3232: 3228: 3227: 3218: 3216: 3215: 3208: 3201: 3193: 3184: 3183: 3180: 3179: 3177: 3176: 3167: 3162: 3157: 3151: 3149: 3145: 3144: 3142: 3141: 3135: 3133: 3127: 3126: 3124: 3123: 3118: 3113: 3108: 3103: 3097: 3095: 3089: 3088: 3086: 3085: 3080: 3075: 3070: 3065: 3060: 3055: 3054: 3053: 3048: 3038: 3032: 3030: 3019: 3018: 3016: 3015: 3014: 3013: 3008: 3003: 2998: 2993: 2988: 2983: 2972: 2970: 2959: 2958: 2956: 2955: 2950: 2945: 2940: 2935: 2928: 2927: 2917: 2916: 2911: 2904: 2902: 2891: 2879: 2878: 2875: 2874: 2872: 2871: 2870: 2869: 2856: 2854: 2850: 2849: 2847: 2846: 2841: 2836: 2831: 2826: 2821: 2816: 2811: 2805: 2803: 2797: 2796: 2794: 2793: 2784: 2779: 2774: 2769: 2764: 2759: 2754: 2753: 2752: 2747: 2742: 2737: 2732: 2727: 2716: 2714: 2705: 2695: 2694: 2692: 2691: 2686: 2681: 2674: 2673: 2668: 2663: 2658: 2653: 2648: 2643: 2641:PUVA keratosis 2638: 2633: 2628: 2623: 2618: 2613: 2608: 2603: 2598: 2593: 2588: 2587: 2586: 2575:hyperkeratosis 2570: 2569: 2564: 2563: 2562: 2557: 2552: 2547: 2542: 2537: 2522: 2521: 2520: 2519: 2507: 2502: 2497: 2496: 2495: 2485: 2475: 2473: 2467: 2466: 2463: 2461: 2460: 2453: 2446: 2438: 2429: 2428: 2425: 2424: 2422: 2421: 2416: 2411: 2406: 2404:Coxsackievirus 2401: 2396: 2391: 2386: 2381: 2376: 2371: 2366: 2360: 2358: 2350: 2349: 2347: 2346: 2341: 2336: 2331: 2325: 2323: 2317: 2316: 2314: 2313: 2308: 2303: 2298: 2293: 2288: 2283: 2278: 2273: 2267: 2265: 2261: 2260: 2258: 2257: 2254: 2252: 2243: 2237: 2236: 2233: 2232: 2229: 2228: 2226: 2225: 2220: 2215: 2210: 2200: 2198: 2194: 2193: 2190: 2189: 2186: 2185: 2183: 2182: 2177: 2171: 2169: 2165: 2164: 2162: 2161: 2156: 2150: 2148: 2141: 2135: 2134: 2131: 2130: 2128: 2127: 2121: 2116: 2114:Gyratum repens 2111: 2106: 2100: 2094: 2092: 2088: 2087: 2085: 2084: 2079: 2074: 2069: 2064: 2059: 2053: 2051: 2047: 2046: 2044: 2043: 2038: 2036:Toxic erythema 2033: 2028: 2026:Drug eruptions 2022: 2020: 2013: 2002: 1995: 1987: 1986: 1983: 1982: 1980: 1979: 1974: 1969: 1964: 1959: 1954: 1949: 1944: 1938: 1936: 1932: 1931: 1929: 1928: 1923: 1918: 1913: 1908: 1903: 1898: 1893: 1888: 1882: 1880: 1874: 1873: 1871: 1870: 1865: 1863:Lichen nitidus 1860: 1855: 1850: 1845: 1840: 1835: 1830: 1824: 1822: 1816: 1815: 1813: 1812: 1807: 1802: 1797: 1792: 1787: 1782: 1777: 1772: 1767: 1765:Herpes simplex 1761: 1759: 1753: 1752: 1750: 1749: 1744: 1739: 1734: 1729: 1724: 1719: 1714: 1708: 1703: 1698: 1693: 1687: 1681: 1679: 1673: 1672: 1670: 1669: 1664: 1659: 1654: 1649: 1644: 1639: 1634: 1629: 1624: 1619: 1614: 1608: 1606: 1599: 1588: 1582: 1581: 1578: 1577: 1575: 1574: 1569: 1564: 1559: 1554: 1549: 1544: 1539: 1534: 1529: 1524: 1519: 1514: 1508: 1506: 1497: 1496: 1494: 1493: 1488: 1483: 1478: 1473: 1467: 1465: 1461: 1460: 1458: 1457: 1452: 1447: 1442: 1437: 1432: 1427: 1422: 1417: 1412: 1407: 1401: 1399: 1390: 1386: 1385: 1382: 1380: 1379: 1372: 1365: 1357: 1348: 1347: 1344: 1343: 1332: 1320: 1319: 1317: 1313: 1312: 1309: 1308: 1297: 1286: 1275: 1260: 1244: 1239: 1238: 1236: 1235:Classification 1228: 1227:External links 1225: 1223: 1222: 1181: 1146: 1115:(4): 432–434. 1095: 1073: 1048: 1021: 970: 956: 949: 928: 908: 891: 877: 857: 814: 800:(4): 729–738. 780: 737: 694: 665: 662:on 2015-05-22. 636: 629: 604: 597: 562: 518: 516: 513: 510: 509: 454: 453: 451: 448: 447: 446: 439: 436: 430: 427: 414: 411: 399: 396: 393: 392: 385: 366: 360: 359: 348: 341: 340: 337: 331: 330: 327: 320: 319: 316: 310: 309: 302:histologically 290: 283: 282: 279: 272: 271: 268: 261: 260: 257: 254: 244: 241: 213:epidermal nevi 211:. Clinically, 176: 173: 164: 161: 104: 103: 100: 96: 95: 92: 86: 85: 80: 74: 73: 66: 65: 57: 56: 53: 49: 48: 40: 26: 24: 14: 13: 10: 9: 6: 4: 3: 2: 3763: 3752: 3749: 3747: 3744: 3743: 3741: 3722: 3719: 3718: 3716: 3712: 3706: 3703: 3701: 3698: 3696: 3693: 3691: 3688: 3687: 3685: 3683: 3678: 3672: 3669: 3667: 3664: 3662: 3659: 3657: 3654: 3652: 3649: 3647: 3644: 3640: 3637: 3635: 3632: 3630: 3627: 3626: 3624: 3623: 3621: 3617: 3614: 3610: 3596: 3593: 3591: 3588: 3586: 3585:Verruca plana 3583: 3581: 3578: 3577: 3575: 3573: 3569: 3563: 3560: 3558: 3555: 3553: 3550: 3548: 3545: 3544: 3542: 3540: 3536: 3530: 3527: 3525: 3522: 3520: 3519:Seboacanthoma 3517: 3515: 3512: 3510: 3507: 3503: 3502:Epidermolytic 3500: 3498: 3495: 3493: 3490: 3488: 3485: 3484: 3482: 3481: 3479: 3477: 3473: 3470: 3464: 3454: 3451: 3449: 3446: 3444: 3441: 3439: 3436: 3434: 3431: 3429: 3426: 3425: 3423: 3419: 3413: 3410: 3408: 3405: 3404: 3402: 3400: 3396: 3390: 3387: 3385: 3382: 3380: 3377: 3375: 3372: 3370: 3367: 3363: 3360: 3358: 3355: 3353: 3350: 3348: 3345: 3343: 3340: 3339: 3337: 3336: 3334: 3332: 3328: 3322: 3319: 3315: 3312: 3310: 3307: 3305: 3302: 3300: 3297: 3295: 3292: 3290: 3287: 3285: 3282: 3280: 3277: 3275: 3272: 3270: 3267: 3265: 3262: 3260: 3257: 3256: 3254: 3253: 3251: 3249: 3245: 3242: 3240: 3236: 3233: 3229: 3225: 3221: 3214: 3209: 3207: 3202: 3200: 3195: 3194: 3191: 3175: 3174:Pseudo-ainhum 3171: 3168: 3166: 3163: 3161: 3160:Sclerodactyly 3158: 3156: 3153: 3152: 3150: 3146: 3140: 3137: 3136: 3134: 3132: 3128: 3122: 3119: 3117: 3114: 3112: 3109: 3107: 3104: 3102: 3101:Kyrle disease 3099: 3098: 3096: 3094: 3090: 3084: 3081: 3079: 3076: 3074: 3071: 3069: 3066: 3064: 3061: 3059: 3056: 3052: 3049: 3047: 3044: 3043: 3042: 3039: 3037: 3034: 3033: 3031: 3029: 3024: 3020: 3012: 3009: 3007: 3004: 3002: 2999: 2997: 2994: 2992: 2989: 2987: 2984: 2982: 2979: 2978: 2977: 2974: 2973: 2971: 2969: 2964: 2960: 2954: 2951: 2949: 2946: 2944: 2941: 2939: 2936: 2934: 2930: 2929: 2926: 2922: 2919: 2918: 2915: 2912: 2910: 2906: 2905: 2903: 2901: 2900:erythematosus 2895: 2892: 2890: 2884: 2880: 2868: 2865: 2864: 2863: 2862: 2858: 2857: 2855: 2851: 2845: 2842: 2840: 2837: 2835: 2832: 2830: 2827: 2825: 2822: 2820: 2817: 2815: 2812: 2810: 2807: 2806: 2804: 2802: 2798: 2792: 2788: 2785: 2783: 2780: 2778: 2775: 2773: 2770: 2768: 2765: 2763: 2760: 2758: 2755: 2751: 2748: 2746: 2743: 2741: 2738: 2736: 2733: 2731: 2728: 2726: 2723: 2722: 2721: 2718: 2717: 2715: 2713: 2709: 2706: 2704: 2700: 2696: 2690: 2687: 2685: 2682: 2680: 2676: 2675: 2672: 2669: 2667: 2664: 2662: 2659: 2657: 2654: 2652: 2649: 2647: 2644: 2642: 2639: 2637: 2634: 2632: 2629: 2627: 2624: 2622: 2619: 2617: 2614: 2612: 2609: 2607: 2604: 2602: 2599: 2597: 2594: 2592: 2589: 2585: 2582: 2581: 2580: 2576: 2572: 2571: 2568: 2565: 2561: 2558: 2556: 2553: 2551: 2548: 2546: 2543: 2541: 2538: 2536: 2533: 2532: 2531: 2527: 2524: 2523: 2518: 2515: 2514: 2513: 2512: 2508: 2506: 2503: 2501: 2498: 2494: 2491: 2490: 2489: 2486: 2484: 2480: 2477: 2476: 2474: 2472: 2468: 2459: 2454: 2452: 2447: 2445: 2440: 2439: 2436: 2420: 2417: 2415: 2412: 2410: 2407: 2405: 2402: 2400: 2397: 2395: 2392: 2390: 2387: 2385: 2382: 2380: 2377: 2375: 2374:Lichen planus 2372: 2370: 2367: 2365: 2362: 2361: 2359: 2357: 2351: 2345: 2342: 2340: 2337: 2335: 2332: 2330: 2329:Onychomycosis 2327: 2326: 2324: 2322: 2318: 2312: 2309: 2307: 2304: 2302: 2299: 2297: 2294: 2292: 2291:Tinea capitis 2289: 2287: 2284: 2282: 2279: 2277: 2274: 2272: 2269: 2268: 2266: 2262: 2256: 2255: 2253: 2251: 2247: 2244: 2240:Miscellaneous 2238: 2224: 2221: 2219: 2216: 2214: 2211: 2209: 2205: 2202: 2201: 2199: 2195: 2181: 2178: 2176: 2173: 2172: 2170: 2166: 2160: 2157: 2155: 2152: 2151: 2149: 2145: 2142: 2138:Nonblanchable 2136: 2125: 2122: 2120: 2117: 2115: 2112: 2110: 2107: 2105: 2101: 2099: 2096: 2095: 2093: 2089: 2083: 2080: 2078: 2075: 2073: 2070: 2068: 2065: 2063: 2060: 2058: 2055: 2054: 2052: 2048: 2042: 2039: 2037: 2034: 2032: 2029: 2027: 2024: 2023: 2021: 2017: 2014: 2012: 2006: 2003: 1999: 1996: 1988: 1978: 1975: 1973: 1970: 1968: 1965: 1963: 1960: 1958: 1955: 1953: 1950: 1948: 1945: 1943: 1940: 1939: 1937: 1935:Hypopigmented 1933: 1927: 1924: 1922: 1919: 1917: 1914: 1912: 1909: 1907: 1904: 1902: 1899: 1897: 1894: 1892: 1889: 1887: 1886:Acne vulgaris 1884: 1883: 1881: 1879: 1875: 1869: 1866: 1864: 1861: 1859: 1856: 1854: 1851: 1849: 1846: 1844: 1841: 1839: 1838:Lichen planus 1836: 1834: 1831: 1829: 1826: 1825: 1823: 1821: 1817: 1811: 1808: 1806: 1803: 1801: 1798: 1796: 1793: 1791: 1788: 1786: 1783: 1781: 1778: 1776: 1773: 1771: 1770:Herpes zoster 1768: 1766: 1763: 1762: 1760: 1758: 1754: 1748: 1745: 1743: 1742:Parapsoriasis 1740: 1738: 1735: 1733: 1730: 1728: 1725: 1723: 1720: 1718: 1715: 1712: 1709: 1707: 1704: 1702: 1699: 1697: 1694: 1692: 1688: 1686: 1683: 1682: 1680: 1678: 1674: 1668: 1665: 1663: 1660: 1658: 1655: 1653: 1650: 1648: 1645: 1643: 1640: 1638: 1635: 1633: 1630: 1628: 1625: 1623: 1620: 1618: 1615: 1613: 1610: 1609: 1607: 1603: 1600: 1592: 1589: 1587: 1583: 1573: 1570: 1568: 1565: 1563: 1560: 1558: 1555: 1553: 1550: 1548: 1545: 1543: 1540: 1538: 1535: 1533: 1530: 1528: 1525: 1523: 1520: 1518: 1515: 1513: 1510: 1509: 1507: 1502: 1498: 1492: 1489: 1487: 1484: 1482: 1479: 1477: 1474: 1472: 1469: 1468: 1466: 1462: 1456: 1453: 1451: 1448: 1446: 1443: 1441: 1438: 1436: 1433: 1431: 1428: 1426: 1423: 1421: 1418: 1416: 1413: 1411: 1408: 1406: 1403: 1402: 1400: 1398: 1394: 1391: 1387: 1378: 1373: 1371: 1366: 1364: 1359: 1358: 1355: 1342: 1338: 1337: 1333: 1331: 1327: 1326: 1322: 1321: 1318: 1314: 1307: 1303: 1302: 1298: 1296: 1292: 1291: 1287: 1285: 1281: 1280: 1276: 1274: 1270: 1269: 1265: 1261: 1259: 1255: 1254: 1250: 1246: 1245: 1242: 1237: 1233: 1226: 1218: 1214: 1209: 1204: 1201:(6): 759–62. 1200: 1196: 1195:Arch Dermatol 1192: 1185: 1182: 1177: 1173: 1169: 1165: 1161: 1157: 1156:Br J Dermatol 1150: 1147: 1142: 1138: 1133: 1128: 1123: 1118: 1114: 1110: 1106: 1099: 1096: 1083: 1077: 1074: 1062: 1058: 1052: 1049: 1044: 1040: 1036: 1032: 1025: 1022: 1017: 1013: 1008: 1003: 998: 993: 989: 985: 981: 974: 971: 966: 960: 957: 952: 946: 942: 935: 933: 929: 926: 922: 921: 915: 913: 909: 906: 902: 901: 895: 892: 880: 878:9783319749037 874: 870: 869: 861: 858: 853: 849: 845: 841: 837: 833: 829: 825: 818: 815: 811: 807: 803: 799: 795: 791: 784: 781: 776: 772: 768: 764: 760: 756: 752: 748: 741: 738: 733: 729: 725: 721: 717: 713: 709: 705: 698: 695: 683: 679: 675: 669: 666: 661: 657: 653: 647: 645: 643: 641: 637: 632: 626: 622: 615: 613: 611: 609: 605: 600: 598:0-07-138076-0 594: 590: 583: 581: 579: 577: 575: 573: 571: 569: 567: 563: 558: 554: 550: 546: 542: 538: 535:(8): 664–77. 534: 530: 523: 520: 514: 505: 501: 496: 491: 486: 481: 477: 473: 469: 459: 456: 449: 445: 442: 441: 437: 435: 428: 426: 424: 420: 412: 410: 408: 404: 397: 390: 386: 383: 379: 375: 371: 367: 365: 362: 361: 357: 353: 352:keratinocytes 349: 346: 343: 342: 338: 336: 333: 332: 328: 325: 322: 321: 317: 315: 312: 311: 307: 303: 299: 296:cells around 295: 291: 288: 285: 284: 280: 277: 274: 273: 269: 266: 263: 262: 258: 255: 252: 251: 248: 242: 240: 238: 234: 233:gold standard 230: 225: 222: 218: 214: 210: 206: 196: 189: 188:H&E stain 185: 181: 174: 172: 170: 162: 160: 158: 154: 150: 146: 142: 138: 134: 129: 127: 123: 119: 118:keratinocytes 115: 111: 101: 97: 93: 91: 87: 84: 81: 79: 75: 72: 67: 63: 58: 54: 50: 45: 37: 33: 19: 3590:Plantar wart 3523: 3362:Spindle-cell 3309:Rodent ulcer 3284:Micronodular 3279:Infiltrative 3028:atrophoderma 2914:Panniculitis 2859: 2844:Carbon stain 2735:Subcutaneous 2529: 2509: 2344:Ingrown nail 1916:Dermatophyte 1911:Gonococcemia 1896:Folliculitis 1537:Neurofibroma 1505:subcutaneous 1414: 1334: 1323: 1299: 1288: 1277: 1262: 1247: 1198: 1194: 1184: 1162:(3): 411–4. 1159: 1155: 1149: 1112: 1108: 1098: 1088:22 September 1086:. Retrieved 1076: 1064:. Retrieved 1060: 1051: 1034: 1030: 1024: 987: 983: 973: 959: 940: 918: 898: 894: 884:22 September 882:. Retrieved 867: 860: 830:(9): 747–8. 827: 823: 817: 809: 797: 793: 783: 753:(2): 190–4. 750: 746: 740: 707: 703: 697: 685:. 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Index

Clonal seborrheic keratosis
seborrheic dermatitis
actinic keratosis

Leser–Trélat sign
Specialty
Dermatology
Diagnostic method
benign
keratinocytes
epidermis
liver spots
lesions
scab
basal cell carcinoma
differential diagnosis
warts
melanomas
human papillomavirus
prevalence

Micrograph
H&E stain

lentigo maligna
dermatoscopy
epidermal nevi
Condylomas
warts
squamous cell carcinoma

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