#february2020mccqe1
A 64-year-old woman is evaluated for a 6-week history of dyspnea, dry cough, fever, chills, night sweats, and fatigue, which have not responded to treatment with azithromycin and levofloxacin; she has lost 2.2 kg (5 lb) during that time. The patient had an examination 6 months ago while she was asymptomatic that included routine laboratory studies, age- and sex-appropriate cancer screening, and a chest radiograph; all results were normal. The patient has never smoked, has had no known environmental exposures, and has not traveled recently or been exposed to anyone with a similar illness. Her only medications are aspirin and a multivitamin. On physical examination, temperature is 37.8°C (100.0°F); other vital signs are normal. Cardiac examination is normal. There are scattered crackles in the mid-lung zones with associated rare expiratory wheezes. There is no digital clubbing. Musculoskeletal and skin examinations are normal. Chest radiograph is shown. Which of the following is the most likely diagnosis?
(A) Asbestosis
(B) Community-acquired pneumonia
(C) Cryptogenic organizing pneumonia
(D) Idiopathic pulmonary fibrosis
A 64-year-old woman is evaluated for a 6-week history of dyspnea, dry cough, fever, chills, night sweats, and fatigue, which have not responded to treatment with azithromycin and levofloxacin; she has lost 2.2 kg (5 lb) during that time. The patient had an examination 6 months ago while she was asymptomatic that included routine laboratory studies, age- and sex-appropriate cancer screening, and a chest radiograph; all results were normal. The patient has never smoked, has had no known environmental exposures, and has not traveled recently or been exposed to anyone with a similar illness. Her only medications are aspirin and a multivitamin. On physical examination, temperature is 37.8°C (100.0°F); other vital signs are normal. Cardiac examination is normal. There are scattered crackles in the mid-lung zones with associated rare expiratory wheezes. There is no digital clubbing. Musculoskeletal and skin examinations are normal. Chest radiograph is shown. Which of the following is the most likely diagnosis?
(A) Asbestosis
(B) Community-acquired pneumonia
(C) Cryptogenic organizing pneumonia
(D) Idiopathic pulmonary fibrosis
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