Benjamin Barankin, MD, FRCPC

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.

The parents of a 3-week-old infant are concerned about the numerous small, erythematous papules and pustules on his cheeks.

A 17-year-old Asian adolescent girl presented with disfiguring lesions on her shoulders and upper back.

A gravida 4, para 3, 36-year-old woman presented with a 3-month history of a bilateral pruritic eruption on her nipples and areolae.

A 35-year-old woman presented with a slow-growing, dark brown lesion on the left knee of 2 to 3 years’ duration. The lesion was asymptomatic. There was no history of preceding trauma or insect bite in the...