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This condition can cause single or, less commonly, multiple white patches on the hair. Some mistake these white patches for simple birthmarks. In poliosis there is decreased or absent melanin in the hair bulbs of affected
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Sleiman R, Kurban M, Succaria F, Abbas O (2013). "Poliosis circumscripta: overview and underlying causes".
199:, after a fictional family with hereditary poliosis. The Mallen family featured in a sequence of novels by
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84:(or colour) in head hair, eyebrows, eyelashes, or any other hirsute area. It is popularly known as
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has the appearance of this condition with her half-black/half-white hair.
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Depigmentation of sections of skin and hair in 48-year-old man with
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was the first. She later adapted them into a TV series called
1312:
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20:, a viral disease that attacks nerves and causes paralysis.
271:
239:
repeatedly referred to his own poliosis as a "skunk spot".
177:
any relevant information into other sections or articles.
108:
Poliosis occurs in several genetic syndromes such as
336:
88:when it affects hair directly above the forehead.
1445:Disseminate and recurrent infundibulofolliculitis
1838:
432:
103:
549:Congenital onychodysplasia of the index fingers
1821:
1455:Erythromelanosis follicularis faciei et colli
418:
1828:
1814:
425:
411:
307:
124:. It can also occur in conditions such as
62:
34:
267:
265:
1450:Erosive pustular dermatosis of the scalp
870:Central centrifugal cicatricial alopecia
100:of the skin are usually not affected.
1839:
1796:This cutaneous condition article is a
1430:Acrokeratosis paraneoplastica of Bazex
262:
406:
147:
1784:
1470:Intermittent hair–follicle dystrophy
151:
1407:Recurrent palmoplantar hidradenitis
1288:Idiopathic facial aseptic granuloma
925:Marie Unna hereditary hypotrichosis
13:
1148:Lupus miliaris disseminatus faciei
895:Dissecting cellulitis of the scalp
14:
1868:
1412:Neutrophilic eccrine hidradenitis
1171:Granulomatous perioral dermatitis
332:
229:During his tenure as the host of
226:has two prominent Mallen streaks.
168:list of miscellaneous information
1788:
156:
80:) is the decrease or absence of
1572:Traumatic anserine folliculosis
1283:Granulomatous facial dermatitis
594:Malalignment of the nail plate
301:
1:
1220:Erythrotelangiectatic rosacea
255:
104:Associated medical conditions
1800:. You can help Knowledge by
1475:Keratosis pilaris atropicans
1378:Folliculitis nares perforans
130:Vogt–Koyanagi–Harada disease
7:
1245:Persistent edema of rosacea
10:
1873:
1783:
1677:Postmiliarial hypohidrosis
1505:Menkes kinky hair syndrome
920:Frontal fibrosing alopecia
729:Staining of the nail plate
589:Longitudinal erythronychia
584:Lichen planus of the nails
286:10.1016/j.jaad.2013.05.022
140:, and in association with
15:
1857:Cutaneous condition stubs
1759:
1731:
1632:
1621:
1562:Rubinstein–Taybi syndrome
1422:
1390:Pseudofolliculitis barbae
1363:
1310:
1275:
1156:
1012:
1001:
933:
761:
752:
689:Pterygium inversum unguis
441:
340:
195:It is sometimes called a
51:
42:
33:
28:
1852:Dermatologic terminology
1604:Uncombable hair syndrome
1588:Trichorrhexis invaginata
1402:Hidradenitis suppurativa
1260:Periorificial dermatitis
165:This section contains a
118:neurofibromatosis type I
16:Not to be confused with
1582:Trichomycosis axillaris
1515:Parakeratosis pustulosa
1032:Acne miliaris necrotica
813:(male-pattern baldness)
777:noncicatricial alopecia
699:Purpura of the nail bed
220:in the American sitcom
1599:Trichostasis spinulosa
1293:Periorbital dermatitis
1210:Papulopustular rosacea
1128:Acne with facial edema
1118:Acne keloidalis nuchae
905:Folliculitis decalvans
900:Graham-Little syndrome
654:Onychoptosis defluvium
144:and some medications.
78:poliosis circumscripta
1769:Sebaceous hyperplasia
1684:Granulosis rubra nasi
1547:Pityriasis amiantacea
1500:Loose anagen syndrome
1440:Bubble hair deformity
1230:Gram-negative rosacea
993:Nevoid hypertrichosis
865:Pseudopelade of Brocq
744:Twenty-nail dystrophy
619:Nail–patella syndrome
599:Median nail dystrophy
251:has a white forelock.
249:Rogue (Marvel Comics)
1652:Miliaria crystalline
1593:Trichorrhexis nodosa
860:cicatricial alopecia
842:Alopecia neoplastica
837:Trichorrhexis nodosa
470:Yellow nail syndrome
310:"Tuberous Sclerosis"
114:Waardenburg syndrome
1751:Fox–Fordyce disease
1536:Pili pseudoannulati
1490:Lichen planopilaris
1465:Hair follicle nevus
1383:Tufted folliculitis
1166:Perioral dermatitis
915:Triangular alopecia
832:Lichen planopilaris
811:Androgenic alopecia
719:Splinter hemorrhage
714:Shell nail syndrome
559:Half and half nails
308:Willacy H. (2010).
1672:Occlusion miliaria
1662:Miliaria pustulosa
1552:Plica neuropathica
1250:Rosacea conglobata
1061:Acne medicamentosa
880:Traumatic alopecia
734:Subungual hematoma
274:J Am Acad Dermatol
148:In popular culture
122:tuberous sclerosis
1809:
1808:
1781:
1780:
1777:
1776:
1657:Miliaria profunda
1617:
1616:
1609:Woolly hair nevus
1495:Lichen spinulosus
1333:Trichilemmal cyst
1306:
1305:
1225:Glandular rosacea
1178:Phymatous rosacea
1108:Occupational acne
890:Hot comb alopecia
875:Pressure alopecia
852:Alopecia mucinosa
827:Traction alopecia
822:Telogen effluvium
400:
399:
216:The character of
205:The Mallen Streak
201:Catherine Cookson
192:
191:
71:
70:
23:Medical condition
1864:
1847:Human hair color
1830:
1823:
1816:
1792:
1785:
1630:
1629:
1567:Setleis syndrome
1531:Pili multigemini
1265:Pyoderma faciale
1010:
1009:
847:Anagen effluvium
759:
758:
694:Pterygium unguis
614:Muehrcke's lines
501:Onychotillomania
427:
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404:
403:
338:
337:
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187:
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38:
26:
25:
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1862:
1861:
1837:
1836:
1835:
1834:
1782:
1773:
1755:
1727:
1624:
1613:
1586:Trichorrhexis (
1418:
1359:
1328:Epidermoid cyst
1302:
1271:
1235:Steroid rosacea
1152:
1113:Acne aestivalis
1051:Excoriated acne
1027:Acne conglobata
1004:
997:
929:
766:
748:
724:Spotted lunulae
684:Psoriatic nails
639:Onychomatricoma
452:Onychogryphosis
437:
435:skin appendages
431:
401:
396:
395:
349:
335:
330:
329:
319:
317:
306:
302:
270:
263:
258:
188:
182:
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134:alopecia areata
106:
61:
24:
21:
12:
11:
5:
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1859:
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1754:
1753:
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1737:
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1729:
1728:
1726:
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1724:
1723:
1713:
1712:
1711:
1706:
1701:
1691:
1689:Ross' syndrome
1686:
1681:
1680:
1679:
1674:
1669:
1667:Miliaria rubra
1664:
1659:
1654:
1649:
1647:Colloid milium
1638:
1636:
1627:
1619:
1618:
1615:
1614:
1612:
1611:
1606:
1601:
1596:
1590:
1584:
1579:
1574:
1569:
1564:
1559:
1554:
1549:
1544:
1538:
1533:
1528:
1526:Pili bifurcati
1523:
1517:
1512:
1507:
1502:
1497:
1492:
1487:
1485:Koenen's tumor
1482:
1477:
1472:
1467:
1462:
1457:
1452:
1447:
1442:
1437:
1435:Acroosteolysis
1432:
1426:
1424:
1420:
1419:
1417:
1416:
1415:
1414:
1409:
1404:
1393:
1392:
1387:
1386:
1385:
1380:
1369:
1367:
1361:
1360:
1358:
1357:
1352:
1351:
1350:
1345:
1339:Steatocystoma
1337:
1336:
1335:
1330:
1322:Sebaceous cyst
1317:
1315:
1308:
1307:
1304:
1303:
1301:
1300:
1298:SAPHO syndrome
1295:
1290:
1285:
1279:
1277:
1273:
1272:
1270:
1269:
1268:
1267:
1262:
1252:
1247:
1242:
1240:Ocular rosacea
1237:
1232:
1227:
1222:
1217:
1215:Lupoid rosacea
1212:
1207:
1206:
1205:
1200:
1195:
1190:
1185:
1175:
1174:
1173:
1162:
1160:
1154:
1153:
1151:
1150:
1145:
1140:
1138:Acne necrotica
1135:
1130:
1125:
1123:Acne mechanica
1120:
1115:
1110:
1105:
1103:Acne cosmetica
1100:
1095:
1090:
1089:
1088:
1083:
1078:
1068:
1058:
1056:Acne fulminans
1053:
1048:
1042:Infantile acne
1039:
1034:
1029:
1024:
1018:
1016:
1007:
999:
998:
996:
995:
990:
985:
984:
983:
978:
973:
965:
964:
963:
958:
953:
945:
939:
937:
935:Hypertrichosis
931:
930:
928:
927:
922:
917:
908:
907:
902:
897:
892:
887:
885:Tumor alopecia
882:
877:
872:
867:
855:
854:
849:
844:
839:
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824:
819:
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772:
770:
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750:
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741:
736:
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721:
716:
711:
706:
701:
696:
691:
686:
681:
679:Plummer's nail
676:
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382:
371:
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345:
344:
342:
341:Classification
334:
333:External links
331:
328:
327:
316:. Patient.info
300:
260:
259:
257:
254:
253:
252:
246:
243:Cruella De Vil
240:
227:
214:
190:
189:
164:
162:
155:
149:
146:
105:
102:
94:hair follicles
86:white forelock
69:
68:
55:
49:
48:
40:
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31:
30:
22:
9:
6:
4:
3:
2:
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1805:
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1799:
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1791:
1787:
1786:
1770:
1767:
1766:
1764:
1762:
1758:
1752:
1749:
1747:
1746:Chromhidrosis
1744:
1742:
1739:
1738:
1736:
1734:
1730:
1722:
1719:
1718:
1717:
1714:
1710:
1707:
1705:
1702:
1700:
1697:
1696:
1695:
1694:Hyperhidrosis
1692:
1690:
1687:
1685:
1682:
1678:
1675:
1673:
1670:
1668:
1665:
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1553:
1550:
1548:
1545:
1542:
1539:
1537:
1534:
1532:
1529:
1527:
1524:
1522:
1521:Pili annulati
1518:
1516:
1513:
1511:
1508:
1506:
1503:
1501:
1498:
1496:
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1491:
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1223:
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1218:
1216:
1213:
1211:
1208:
1204:
1201:
1199:
1196:
1194:
1191:
1189:
1188:Blepharophyma
1186:
1184:
1181:
1180:
1179:
1176:
1172:
1169:
1168:
1167:
1164:
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1131:
1129:
1126:
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1119:
1116:
1114:
1111:
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1094:
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1087:
1084:
1082:
1079:
1077:
1074:
1073:
1072:
1069:
1066:
1062:
1059:
1057:
1054:
1052:
1049:
1047:
1046:Neonatal acne
1043:
1040:
1038:
1037:Tropical acne
1035:
1033:
1030:
1028:
1025:
1023:
1022:Acne vulgaris
1020:
1019:
1017:
1015:
1011:
1008:
1006:
1000:
994:
991:
989:
986:
982:
979:
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868:
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863:
861:
857:
856:
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848:
845:
843:
840:
838:
835:
833:
830:
828:
825:
823:
820:
818:
817:Hypotrichosis
815:
812:
809:
808:
803:
800:
798:
795:
793:
790:
788:
785:
784:
783:
780:
778:
774:
773:
771:
769:
764:
760:
757:
755:
751:
745:
742:
740:
739:Terry's nails
737:
735:
732:
730:
727:
725:
722:
720:
717:
715:
712:
710:
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705:
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695:
692:
690:
687:
685:
682:
680:
677:
675:
672:
670:
667:
665:
664:Onychoschizia
662:
660:
659:Onychorrhexis
657:
655:
652:
650:
647:
645:
644:Onychomycosis
642:
640:
637:
635:
634:Onychomadesis
632:
630:
627:
625:
624:Onychoatrophy
622:
620:
617:
615:
612:
610:
607:
605:
602:
600:
597:
595:
592:
590:
587:
585:
582:
580:
577:
575:
572:
570:
567:
565:
562:
560:
557:
555:
552:
550:
547:
545:
542:
538:
535:
533:
530:
529:
528:
524:
523:
520:
517:
515:
511:
510:
507:
504:
502:
498:
497:
494:
493:Nail clubbing
491:
489:
485:
484:
481:
478:
476:
473:
471:
468:
466:
462:
461:
458:
455:
453:
449:
448:
446:
444:
440:
436:
433:Disorders of
428:
423:
421:
416:
414:
409:
408:
405:
392:
388:
387:
383:
381:
377:
376:
372:
369:
365:
361:
360:
356:
352:
351:
348:
343:
339:
315:
311:
304:
295:
291:
287:
283:
280:(4): 625–33.
279:
275:
268:
266:
261:
250:
247:
244:
241:
238:
234:
233:
228:
225:
224:
219:
215:
212:
211:
206:
202:
198:
197:Mallen streak
194:
193:
186:
176:
171:
169:
163:
154:
153:
145:
143:
139:
135:
131:
127:
123:
119:
115:
111:
101:
99:
95:
89:
87:
83:
79:
76:(also called
75:
65:
59:
56:
54:
50:
46:
41:
37:
32:
27:
19:
18:poliomyelitis
1802:expanding it
1795:
1716:Hypohidrosis
1709:Palmoplantar
1577:Trichomegaly
1556:
1480:Kinking hair
1397:Hidradenitis
1373:Folliculitis
1365:Inflammation
1254:
1071:Halogen acne
1065:steroid acne
911:
858:
775:
704:Racquet nail
674:Pincer nails
649:Onychophosis
609:Melanonychia
579:Ingrown nail
569:Hapalonychia
544:Chevron nail
514:Ingrown nail
506:Onychophagia
480:Azure lunula
465:Beau's lines
384:
373:
353:
318:. Retrieved
313:
303:
277:
273:
230:
223:The Munsters
221:
218:Lily Munster
208:
204:
196:
180:
166:
107:
90:
85:
77:
73:
72:
47:and poliosis
1699:Generalized
1510:Monilethrix
1311:Follicular
1193:Gnathophyma
1133:Pomade acne
988:Prepubertal
971:generalised
967:Congenital
956:generalised
797:universalis
709:Red lunulae
669:Platonychia
629:Onycholysis
604:Mees' lines
554:Green nails
525:ungrouped:
488:Koilonychia
475:Leukonychia
450:thickness:
314:PatientPlus
237:John Henson
210:The Mallens
203:, of which
183:August 2022
138:sarcoidosis
98:melanocytes
58:Dermatology
1841:Categories
1721:Anhidrosis
1541:Pili torti
1460:Hair casts
1183:Rhinophyma
1081:Bromoderma
912:ungrouped:
527:Paronychia
499:behavior:
457:Onychauxis
375:DiseasesDB
256:References
110:piebaldism
1761:Sebaceous
1741:Body odor
1704:Gustatory
1423:Ungrouped
1348:multiplex
1276:Ungrouped
1198:Metophyma
1143:Blackhead
1086:Chloracne
1076:Iododerma
1003:Acneiform
976:localised
961:patterned
951:localised
947:Acquired
943:Hirsutism
763:Hair loss
574:Hook nail
519:Anonychia
386:SNOMED CT
232:Talk Soup
142:neoplasms
53:Specialty
1733:Apocrine
1642:Miliaria
1557:Poliosis
1255:variants
1203:Otophyma
1098:Tar acne
1093:Oil acne
1005:eruption
981:X-linked
802:Ophiasis
782:Alopecia
768:Baldness
564:Hangnail
391:14240001
370:L67.150)
294:23850259
175:relocate
126:vitiligo
74:Poliosis
45:vitiligo
29:Poliosis
1634:Eccrine
1343:simplex
1158:Rosacea
1063:(e.g.,
792:totalis
537:Chronic
512:other:
486:shape:
463:color:
235:, host
173:Please
82:melanin
1625:glands
1519:Pili (
787:areata
320:May 2,
292:
136:, and
120:, and
96:; the
60:
1623:Sweat
1355:Milia
1313:cysts
532:Acute
380:29296
364:L67.1
1798:stub
1014:Acne
754:Hair
443:Nail
368:ILDS
322:2011
290:PMID
355:ICD
282:doi
1843::
1324:"
389::
378::
362::
359:10
312:.
288:.
278:69
276:.
264:^
132:,
128:,
116:,
112:,
1829:e
1822:t
1815:v
1804:.
1595:)
1543:)
1320:"
1067:)
1044:/
862::
779::
765:/
426:e
419:t
412:v
366:(
357:-
347:D
324:.
298:}
296:.
284::
213:.
185:)
181:(
170:.
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