Dermatologic Disorders

Lymphangioma circumscriptum is a benign lymphatic ectasia with 2 components: a clinically apparent dermal vascular component, and a not-so-apparent deep subcutaneous cisternal structure.

The clinical clue to the diagnosis is the patient’s well-demarcated plaque that remained unchanged.

A 44-year-old man presented with an asymptomatic mass on the left upper back. The mass had been first noted 4 to 5 years ago and had very slowly increased in size over time.

A 31-year-old man with no significant past medical history presented to the dermatology clinic with a pruritic rash affecting his elbows, knees, and trunk that had cropped up intermittently over the past 4...

Hidradenitis suppurativa, an inflammatory skin condition, occurs when a hair follicle becomes occluded, ruptures, and leaks keratin and bacteria into the dermis.

Hidradenitis suppurativa is a chronic skin disease of the sweat gland at the terminal epithelium and involves intertrigenous areas like the axillary, under the breasts, inner thighs, groin, and perianal. ...

A 4-year-old boy presented with a 1.5-year history of a rash on his right buttock.

A 7-month-old girl presented with an eruption on her trunk.

A 7-month-old girl presented with an eruption on her trunk.

Rosacea is a common chronic cutaneous disorder of the central face. In addition to its physical discomfort, patients report a negative impact on quality of life socially, professionally, and emotionally...