At the post-mortem examination the stomach of a patient with renal failure was found to have a yellow-brown coating on the thickened mucosa. The coating was firmly adhering to its surface and had significant thickness. Microscopy revealed congestion and necrosis of mucosal and submucosal layers, fibrin presence. What is the most likely diagnosis?

Answer options

1. Croupous gastritis
2. Diphtheritic gastritis
3. Corrosive gastritis
4. Phlegmonous gastritis
5. Catarrhal gastritis

Explanation

At the post-mortem examination the stomach of a patient with renal failure was found to have a yellow-brown coating on the thickened mucosa. The coating was firmly adhering to its surface and had significant thickness. Microscopy revealed congestion and necrosis of mucosal and submucosal layers, fibrin presence. What is the most likely diagnosis?The dead tissue forms a thick, gray coating that can build up. This thick coating is called a “pseudomembrane. Removal of the membrane reveals a bleeding cos is firmly adhering to its surface. The pseudomembrane is A thick, gray, leathery pseudomembrane composed of a mixture of dead cells, fibrin, RBCs, WBCs, and organism forms locally.