KROK 1 Stomatology 2015 – Question 46 · KROK (Dentistry)

An autopsy of the body of an aged man, who was suffering from acute intestinal disorder during his last 2 weeks, has revealed the following change in the rectum and sigmoid colon: brown and green film covering the mucosa is detected. The intestinal wall is thickened; the cavity sharply narrows down. Microscopy reveals mucosa necrosis of varying depth, necrotic tissue is pierced through with fibrin threads, leucocytic infiltration is observed. What diagnosis is most probable?

  1. A. Ulcerative colitis
  2. B. Catarrhal colitis
  3. C. Fibrinous colitis
  4. D. Follicular colitis
  5. E. -
Hint

Link the gross finding of a film on the mucosa with the microscopic necrosis permeated by fibrin and the typical location in the distal colon.

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