February 01, 2008
Transverse depressions like the one shown here appeared on all the other nails of this 68-year-old man several weeks after he had suffered a myocardial infarction.
September 01, 2007
The left middle finger of this 30-year-old man was lacerated in a motorcycle accident. After it was surgically repaired, the finger developed some dystrophy as well as a small, separate fingernail in the lateral sulcus of the proximal nail fold.
September 14, 2005
Eczema was the original diagnosis of this pink, scaly, asymptomatic patch on a 44-year-old man's chest. A mid-potency corticosteroid ointment had been prescribed but had no effect on the lesion. Now, 18 months later, the patient said the patch had been slowly enlarging.
September 14, 2005
An 8-year-old boy was taken to his physician because of a rash around his mouth. After spending the day at the beach with his family, his lips had become red, itchy, and swollen. His sister had a similar, although milder, condition. Both children had been sucking on limes while at the beach. One week later, the boy experienced the chapped lips, patchy perioral erythema, swelling, and blisters.
September 14, 2005
Consultation was sought for diagnosis of the concentric rings of erythema and scaling that appeared on one side of a 42-year-old woman's face. The patient had used a moderately potent topical corticosteroid that had been prescribed for a facial "rash."
September 14, 2005
Each spring for the past 3 years, this boy has complained of an itchy ear rash. The dull red edematous papules develop on the outer portion of the helix, and the rash heals promptly after 2 weeks.
September 14, 2005
The tender, crusted nodule on the lower lip of a 35-year-old man had been growing slowly for 6 months. The patient reported a history of extensive sun exposure.
September 14, 2005
A 35-year-old man had a 5-year history of progressive hair loss characterized by follicular inflammation with destruction of the follicle and consequent permanent alopecia. Almost the entire scalp was involved. A few pustules were seen on examination, but the clinical picture was mostly one of scarring and irreversible hair loss.
September 14, 2005
A 69-year-old man with a long history of lymphedema secondary to repeated cellulitis sought medical care for mildly pruritic, nontender, purple nodules that had erupted on the bottom and side of one foot 6 months earlier. Scale surrounded the nodules.
September 14, 2005
An otherwise healthy 34-year-old woman was concerned because of the abrupt onset of rapid hair loss, accompanied by scaling of the underlying skin. The disorder had begun 3 months earlier, and the right parietal and temporal areas were now red and swollen and had adherent scale. An antinuclear antigen titer was negative. Biopsy revealed changes consistent with lichen planus of the scalp, also known as lichen planopilaris and lichen planus follicularis.