FVH Pathologie Practice Questions - Fachtierarzt FVH Für Pathologie (Switzerland) Exam

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During the post-mortem examination of a bovine carcass 36 hours after death, greenish-black discoloration is observed on the serosa of the intestines and abdominal wall adjacent to the cecum. Histopathology reveals no inflammatory reaction or cellular necrosis associated with the pigment. What is the most accurate pathological interpretation of this gross finding?

Pseudomelanosis caused by bacterial hydrogen sulfide reacting with hemoglobin iron from lysed erythrocytes Ante-mortem hemorrhagic-necrotizing enteritis with localized tissue gangrene Melanosis maculosa congenital deposition in the visceral peritoneum Bile imbibition resulting from post-mortem leakage of biliary salts across the gall bladder wall

Correct Answer:

Pseudomelanosis caused by bacterial hydrogen sulfide reacting with hemoglobin iron from lysed erythrocytes

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