Alexander K.C. Leung, MD, MBBS, FRCPC, FRCP

A ganglion cyst is a benign cystic swelling that typically arises from the synovium of either a tendon sheath or a joint capsule.

Dermatosis papulosa nigra is a common, benign epidermal growth characterized by the presence of multiple, asymptomatic, hyperpigmented, round, dome-shaped or flat, papules or macules localized predominately...

Steatocystoma multiplex is a rare skin condition clinically characterized by multiple, asymptomatic, smooth, round, soft to firm, often freely movable, yellow or skin-colored papules and nodules.

A 2-year-old boy presented with a mild fever, malaise, and an extensive rash of 4-days’ duration.

Infantile perianal protrusion is a relatively newly recognized clinical entity. The term infantile perianal pyramidal protrusion was coined by Kayashima and colleagues in 1996 to define a condition...