S2151 Unusual Presentation of Cancer of Unknown Primary Origin

Abstract

Figure 1. (A-B) Non-contrast CT abdomen and pelvis done upon initial presentation showing findings suggestive of bowel wall thickening in the ascending colon and cecum concerning for colitis in axial (A) and coronal (B) planes. (C-E) Repeat non-contrast CT abdomen/pelvis in axial (C) and sagittal (D, E) planes which showed increase in colonic distention within the transverse colon measuring up to 7cm (C, E) and increased distention within the cecum and ascending colon (D) concerning for toxic megacolon.