Subcutaneous dermatofibrosarcoma protuberans, a rare subtype with predilection for the head: A retrospective series of 18 cases.

Background: Dermatofibrosarcoma protuberans (DFSP) typically affects the dermis and subcutaneous tissue. The subcutaneous variant is rare.

Objective: We sought to characterize the subcutaneous DFSP (SC-DFSP) variant and compare it with cutaneous DFSP (C-DFSP).

Antimalarial Drugs for the Treatment of Oral Erosive Lichen Planus.

Background: Treatment of oral erosive lichen planus is considered a therapeutic challenge. Various systemic and topical agents aimed at controlling the symptoms, rather than curing the lesions, have been used with varying results.

Objective: To evaluate the response to treatment with antimalarial drugs in patients with oral erosive lichen planus.