A 38-year-old man with a history of diverticulitis presented to the emergency department with a 4-day history of intermittent worsening right upper quadrant abdominal pain associated with nausea and...
The authors report the case of a 23-year-old woman with 2 hospitalizations for anemia requiring transfusions. Workup revealed a large submucosal mass that later was found to be a gastrointestinal stromal...
An 87-year-old woman with a medical history of hypertension, depression, right humeral fracture, and right orbital and maxillary fractures presented after a nonsyncopal fall and subsequent bruising on the...
A 21-year-old primigravida woman at 21 weeks of gestation presented to the dermatology clinic for a rapidly developing, nonpruritic, scaly rash that had begun 1 week prior on her left flank and that had...
A 41-year-old man presented to a hospital for evaluation of progressive dysphagia. The patient had had an unintentional weight loss of 9 kg over 3 months. He had a 20 pack-year history of smoking and no...
This Photo Essay is part of a series describing and differentiating dermatologic lumps and bumps. This column highlights lymphangioma circumscriptum and pearly penile papules.
The authors present 2 adult cases of Mycoplasma pneumoniae-induced rash and mucositis (MIRM) following pneumonia with mucositis with oral, ocular, and genital involvement and with sparse cutaneous lesions.
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A 16-year-old boy with a history of insulin-dependent type 1 diabetes presented to a dermatology clinic with a 1-year history of nonpruritic erythematous lesions that had acutely worsened over the past...
Angiotensin-converting enzyme 2 (ACE2) has recently been shown to be a major receptor by which SARS-CoV-2 enters cells. This entry process is associated with downregulation of ACE2. This focused review...
A previously healthy 52-year-old woman presented for evaluation of painful episodes involving her right jaw and cheek. These symptoms started about a year ago but have become more frequent and prolonged...
