Case report. A 24-year-old male patient reported he had undergone removal of a brownish lesion recently appeared on a congenital lesion of the scalp and noticed its recurrence one month after the removal. The dermatological examination showed a just raised, grossly rectangular, 2 x 1.5 cm yellow plaque, with grainy surface and irregular borders; in the middle of the plaque there was no hair but...

mann (Ewing, 1928) contends that since all epithelial tumours arise from the basal cells the term basal-cell carcinoma was not quite suitable. But Krompecher's choice of term may be justified on the ground that basal-cell epithelioma is composed of basal cells which retain their morphological characters throughout their existence, in contrast to the squamous-cell carcinoma in which the basal ce...

Background Microcystic adnexal carcinoma (MAC) is a rare skin neoplasm that has not been characterized on molecular basis. Aim To assess expression profiles of Hedgehog (HH) signalling molecules in MAC and control tumours. Methods Immunohistochemistry was performed for Sonic (SHH), Indian (IHH), Patched 1 (PTCH1) Smoothened (SMO) patient tissue (n = 26) tumour tissue, including syringoma (SyG; ...