Caractéristiques histologiques (Histologie)(pour les professionnels)
Histological Features (Histology) (For professionals) Seborrhoeic keratosis=SK In case of diagnostic doubt, a shave biopsy ought to be done. SK are benign epithelial tumours which are part of the group of acanthomas {Brownstein, 1985}. SK is postulated to be of follicular keratinocytic origin {Mehregan, 1964; Degos, 1968}, and can show an exophytic (upwards) sometimes endophytic…