A rare phenomenon of twin spotting: Phacomatosis pigmentokeratotica

Autor:	Vaishali Wankhade, Vrutika Hasmukh Shah, Rajesh P Singh, Jayesh Mukhi
Jazyk:	angličtina
Rok vydání:	2019
Předmět:	Cutaneous mosaicism nevus sebaceous skeletal speckled lentiginous nevus twin-spot phenomenon Dermatology RL1-803 Pediatrics RJ1-570
Zdroj:	Indian Journal of Paediatric Dermatology, Vol 20, Iss 3, Pp 267-270 (2019)
Druh dokumentu:	article
ISSN:	2319-7250
DOI:	10.4103/ijpd.IJPD_98_18
Popis:	Phacomatosis pigmentokeratotica is a rare form of cutaneous mosaicism characterized by epidermal nevus usually nevus sebaceous, papular speckled lentiginous nevus, and extracutaneous anomalies. This type of twin-spot phenomenon (didymosis) is due to postzygotic crossing-over resulting in two homozygous daughter cells, representing the stem cells of the two distinct types of nevi and leading to additional extracutaneous defects. We report a case of this rare syndrome in a 4-year-old male child associated with skeletal anomalies.
Databáze:	Directory of Open Access Journals
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