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Giant proliferating trichilemmal cyst arising from a nevus sebaceus growing for 30 years
Author(s) -
Lindsey Scott F.,
Aickara Divya,
Price Alexandra,
Pavlis Janelle,
Wei Erin X.,
Elgart George,
ChoVega Jeong Hee
Publication year - 2017
Publication title -
journal of cutaneous pathology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.597
H-Index - 75
eISSN - 1600-0560
pISSN - 0303-6987
DOI - 10.1111/cup.12951
Subject(s) - hamartoma , pathology , nevus , medicine , dermatology , cyst , melanoma , cancer research
Nevus sebaceus of Jadassohn, a congenital cutaneous hamartoma, has the potential to develop into various epidermal adnexal‐origin neoplasms. While the most common neoplasms are trichoblastoma or syringocystadenoma, proliferating trichilemmal cysts are exceptionally rare. We report a case of a 63‐year‐old Cuban male with a giant proliferating trichilemmal cyst arising from a nevus sebaceus on the right shoulder which had been growing for 30 years. Proliferating trichilemmal cysts arising from nevus sebaceus cases are difficult to diagnose clinically and histologically as they are very rare and have not been defined by exact diagnostic criteria. Our case creates awareness of this particular tumor in nevus sebaceus and shares clinical and histological diagnostic information that can be used to make a proper diagnosis.