Respiratory Pathology — MCQs

Which of the following is a marker for mesothelioma?

All of the following are features of non-specific interstitial pneumonia (NSIP), except:

A 44-year-old man, a nonsmoker, experienced a 3-kg weight loss over the past 3 months. He recently developed a low-grade fever and cough with mucoid sputum production, and after 1 week, he noticed blood-streaked sputum. On physical examination, his temperature is 37.7°C. There are bilateral crackles in the left upper lobe on auscultation of the chest. Chest CT scan shows a 3-cm left upper lobe nodule with decreased attenuation centrally. Laboratory studies show hemoglobin, 14.5 g/dL; platelet count, 211,400/mm³; and WBC count, 9890/mm³ with 40% segmented neutrophils, 2% bands, 40% lymphocytes, and 18% monocytes. Which of the following findings in his sputum sample is most likely to be present?

A 40-year-old woman with leukemia is treated with chemotherapy. During treatment she develops increasing cough and shortness of breath. A chest X-ray shows diffuse lung infiltrates. Sputum cultures are negative and the patient does not respond to routine antibiotic therapy. An open lung biopsy is diagnosed by the pathologist as viral pneumonia. Which of the following histopathologic findings would be expected in the lungs of this patient?

Reactivation of TB affects which lung segments?

Which of the following dust exposures has been linked to the development of mesothelioma?

What is the most common site of metastasis from bronchogenic carcinoma?

Cavitation in pulmonary metastasis is commonly associated with which of the following tumor types?

Cannon balls seen in the lungs are characteristic of which of the following?

Which of the following statements about emphysema is true?