September 3rd 2024
The updated COVID-19 vaccine targets the currently circulating Omicron variant JN.1 strain of SARS-CoV-2.
Penile Pseudoepitheliomatous Hyperplasia
September 14th 2005A 76-year-old man reported a 3-month history of an asymptomatic, raised, reddened lesion on his penis. The patient had type 2 diabetes mellitus. In 1994, a basal cell carcinoma had been excised from his chest and, 3 years later, a squamous cell carcinoma was excised from his left temple.
Erythema Multiforme in a 28-Year-Old Man
September 14th 2005A 28-year-old man presented to the emergency department with a 1-week history of multiple, concentric, erythemic, targetlike plaques over the entire body. Severe necrosis and hemorrhagic crusting were evident on the oral mucosa and lesions were present on the upper lip. The remainder of the physical examination was unremarkable. The patient had no known medical problems, was seronegative for HIV, and denied a history of herpes simplex virus (HSV) infection. He used no medications.
Chickenpox and Its Complications
September 14th 2005A pruritic, erythematous rash developed in a 6-year-old boy over the previous 5 days. The rash erupted in crops; the lesions appeared initially as rose-colored macules, progressed rapidly to papules and vesicles, and finally crusted. The distribution of the lesions-with the greatest concentration on the trunk-is typical of chickenpox.
Psoriasis and Type 1 Diabetes Mellitus
September 14th 2005These pruritic but otherwise asymptomatic lesions on the right upper arm of a 77-year-old woman first appeared about 1 year before she sought medical consultation. The patient's history included frequent, generalized pruritus, which was believed to be secondary to long-standing type 1 diabetes mellitus.
A 55-year-old woman with no significant medical history reported that diffuse erythematous, patchy, purpuric skin lesions over most of her body had been present for the past year. Applications of an over-the-counter corticosteroid cream helped control the pruritus but did not clear the skin lesions.