Colonic sarcoidosis: Unusual onset of a systemic disease

Figure 1 Abdominal computed tomography performed after colonoscopy. A: Transverse image of the cecum-ascending colon; B and C: Coronal images showing symmetric concentric wall thickening of the cecum-ascending colon mimicking a tumor lesion; heterogeneous hyperdensity of perivisceral fat tissue is also seen. Satellite lymphadenopathy (arrow) is observed along the ileocolic vessels; D: Enlarged appendix with a thickened wall and marked contrast enhancement.