SYB Case #3. 67-year-old male with leukemia and abdominal distention. . Radiographic finding: Pneumatosis Gas in the bowel wall. A photograph of the mucosal surface of the necrotic bowel shows numerous air bubbles which have lifted the mucosa away from the muscularis.
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Primary pneumatosisintestinalis (15% of cases) is a benign idiopathic condition in which multiple thin-walled cysts 10-100mm develop in the submucosa or subserosa of the colon.
Signs and symptoms include diarrhea, bloody stools, abdominal pain, abdominal distention, and constipation. The physical findings are usually unremarkable.