A 20-year-old woman presents with a 3-week history of a pruritic, progressively
enlarging erythematous lesion on one arm. She has a cat and recently
started horseback riding lessons. She is otherwise healthy and takes no
An 81-year-old woman presented with abdominal pain of 6 months’ duration, anorexia, and a 4.5-kg (10-lb) weight loss. Her history was otherwise unremarkable. She denied fever, chills, diarrhea, and vomiting. The pain was diffuse; no rebound or guarding was noted. The peripheral lymph nodes were not palpable.
An 83-year-old woman is brought by her daughter for evaluation because
of increasing confusion during the past few days. The patient
has early Alzheimer dementia, hypertension, and type 2 diabetes. She takes donepezil, 10 mg/d;
lisinopril, 5 mg/d; and glipizide, 5 mg bid. She is unable to bathe and dress herself as well as previously,
has been crying for no apparent reason, and has lost her appetite.
A symptomatic brown macules developed on the face of a 32-year-old woman 1 year ago. She had been taking oral contraceptives for the past 5 years. Her medical history was unremarkable, and the results of a physical examination were normal.