KROK 1 2014 – Question 139 · KROK (Medicine) · Pathomorphology

Autopsy of a 50-year-old male who had tuberculosis revealed a dense gray-white nidus in form of a nodule 2 cm in diameter in the subpleural portion of the upper right lobe. The pleura in this region was thickened, in the pleural cavity there was a small amount of serous hemorrhagic fluid. Histological study of the region revealed some glandular structures with signs of cellular atypia and abnormal mitoses, which were found within the fibrous connective tissue. What other pathology had developed in the lungs?

  1. A. Fibrosarcoma
  2. B. Squamous cell carcinoma
  3. C. Adenoma
  4. D. Fibroma
  5. E. Adenocarcinoma
Hint

Decide first whether atypia with abnormal mitoses means a benign or a malignant process, then name the tumour by the tissue whose structures the cells imitate.

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