WebLabial and genital melanotic macules. The histopathology of labial melanotic macules (appearing on the lips or oral mucosa) and vulvar and penile melanotic macules are similar to cutaneous lentigo simplex, however acanthosis is less prominent. Dermal melanophages are almost invariably present, and can be a helpful clue to the diagnosis, particularly in …

Melanonychia: Background, Pathophysiology, Etiology - Medscape

Web6 okt. 2024 · Melanonychia is brown or black pigmentation of the nail unit. Melanonychia commonly presents as pigmented band arranged lengthwise along the nail unit, and this … WebBenign melanocytic hyperplasia (lentigo or nevus) was the cause of 77.5% of cases of longitudinal melanonychia in our overall pediatric population and of 85% of cases … payfast registration

(PDF) Melanonychia – Clues for a Correct Diagnosis

Web5 nov. 2024 · In the present case, the histologic evaluation revealed the presence of melanin and absence of hemosiderin. Although drug-induced melanonychia typically involves several nails, HCQ was likely causative of skin/nail hyperpigmentation for a … WebMelanonychia including melanonychia striata in children poses a diagnostic dilemma. Atypical clinical features often raise the possibility of malignancy, and a nail unit biopsy may be recommended. Commensurate with atypical clinical features, the histopathology may also appear alarming. However, accumulating data illustrate that most cases of … WebJosette André is an academic researcher from Université libre de Bruxelles. The author has contributed to research in topic(s): Nail (anatomy) & Nail plate. The author has an hindex of 27, co-authored 161 publication(s) receiving 2489 citation(s). Previous affiliations of Josette André include University of Liège & Free University of Brussels. payfast register