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MMLU / A 67-year-old woman comes to the physician because of easy bruising for 4…

Problem

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question

A 67-year-old woman comes to the physician because of easy bruising for 4 months. She has a history of lung cancer treated with radiation therapy 6 months ago. She has a 2-year history of hypertension treated with a thiazide diuretic and an angiotensin-converting enzyme (ACE) inhibitor. Examination, including neurologic examination, shows no abnormalities except for multiple ecchymoses. Her hemoglobin concentration is 13 g/dL, leukocyte count is 5000/mm3 , and platelet count is 35,000/mm3 . A serum antiplatelet antibody assay is negative. Which of the following is the most appropriate next step in diagnosis?

choices

  1. CT scan of the abdomen
  2. CT scan of the chest
  3. Bronchoscopy
  4. Bone marrow aspiration

subject

professional_medicine

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