Fig. 12
From: Pneumatosis intestinalis versus pseudo-pneumatosis: review of CT findings and differentiation
Intramural gas and pneumoperitoneum in an 80-year-old woman with worsening abdominal pain. a, b Axial unenhanced CT show intramural gas (arrowhead) in the colon, consistent with pneumatosis intestinalis, thickened descending colonic wall (short arrow, a), extensive pneumoperitoneum (star, a and b), and extraluminal contrast medium leak (arrows, b). c Gross pathological specimen after emergency surgery shows ischaemic colitis and wall perforation (arrow)