A 31-year-old woman is evaluated for a 5-day history of a nonpainful cutaneous lesion on the back of her left hand. She works as a packer in a parcel distribution center. She does not recall injury to this area and reports no unusual employment or
A 50-year-old man is evaluated for a 6-month history of dysphagia. He describes a sensation of both solids and liquids sticking in the midesophageal area. This sensation has slowly worsened over time. He also describes intermittent midsternal
What is the most likely cause of the findings in this high-resolution CT scan?
A 19-year-old man is evaluated for 4 to 5 months of persistent itching, thickening of the skin, and odor of the feet. He also has hyperhidrosis of the palms and soles. Medical history is otherwise unremarkable, and he takes no medications. Following
460 µg/24 h (1,268 nmol/24 h). Urine potassium, spot test:. 45 mEq/L (45 mmol/L) (normal, 17-164 mEq/L [17-164 mmol/L]).
Which of the following is the most appropriate diagnostic test to perform next in this patient?
A 55-year-old man is evaluated for a 6-week history of blisters on his hands. The blisters are tender, break easily after they develop, and occur in different regions on the backs of his hands. Medical history is notable for alcoholic liver disease.
Which of the following is the most appropriate diagnostic test to perform next? ... is not the most appropriate test.
A 55-year-old woman is seen during a follow-up evaluation for hyperthyroidism that was diagnosed 1 week ago. Thyroid examination revealed a palpable right thyroid nodule. Following a physical exam and a thyroid scan, what is the most appropriate
A 59-year-old man is evaluated for a 4-day history of progressive worsening of fatigue, forgetfulness, constipation, excessive thirst and increased urination. He has no pain. Based upon the findings of a physical exam and lab results, what is the