A biopsy of the woman’s leg papules demonstrated collagen bundles perforating and extruding through the epidermis. The collagen formed a plug and lay within a cup-shaped epidermal depression. A sparse ...

APD is part of a heterogeneous spectrum of conditions that have recently undergone a change in nomenclature. 1 The multitude of the cutaneous perforating diseases have recently been condensed into ...

A 46-year-old man presented with a pruritic diffuse eruption on his thighs, lower legs and buttocks that had gradually worsened over a 1-year period. His medical history included a heart transplant, ...

Folliculitis is a skin disorder involving the inflammation of hair follicles. It is typically due to an infection of the hair follicle and results in irritated pimple-like spots or pustules.