Pigmented onychomatricoma: Four cases.
Onychomatricoma (OM) presenting as a longitudinal melanonychia is a very uncommon clinical presentation with very few cases in the literature. Our aim in this article is to report four cases of pigmented OM, and describe their clinical and dermoscopic findings and the importance of the differential diagnoses, especially with melanoma.
Dermatology Department, 'Dr José Eleuterio González' University Hospital, Autonomous University of Nuevo León, Monterrey, México.|Dermatology Department, Faculty of Medicine of ABC, São Paulo, Brazil.
Jorge
J
Ocampo-Garza
Dermatology Department, Faculty of Medicine of ABC, São Paulo, Brazil.|Dermatology Department, Municipal Public Hospital of São Paulo, São Paulo, Brazil.
Nilton Gioia
NG
Di Chiacchio
Dermatology Department, Municipal Public Hospital of São Paulo, São Paulo, Brazil.
Nilton
N
Di Chiacchio
D000328:Adult; D046169:Dermoscopy; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D017495:Hyperpigmentation / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D008297:Male; D008545:Melanoma / Q000000981:diagnostic imaging*; D008875:Middle Aged; D009260:Nail Diseases / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery; D012878:Skin Neoplasms / Q000000981:diagnostic imaging* / Q000473:pathology / Q000601:surgery
longitudinal melanonychia; nail; nail tumour; onychomatricoma; pigmented onychomatricoma