The Association of Anisakiasis in the Ascending Colon with Sigmoid Colon Cancer: CT Colonography Findings
- Affiliations
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- 1Department of Radiology, Seoul National University Hospital, Seoul, Korea. shkim@radcom.snu.ac.kr
- 2Institute of Radiation Medicine, Seoul National University Hospital, Seoul, Korea.
- 3Department of Pathology, Seoul National University Hospital, Seoul, Korea.
Abstract
- The association of anisakiasis of the colon with colon cancer is rare and difficult to diagnose. Only one case of this type has been reported to date. In this study, we report a case of synchronous colon cancer and colonic anisakiasis. A 50-year-old woman was admitted for abdominal pain, and a volume-rendered surface-shaded image of CT colonography (CTC) revealed a concentric narrowing in the sigmoid colon and a segmental fold thickening in the ascending colon. A total colectomy was performed and the diagnosis of synchronous sigmoid colon cancer and anisakiasis of the ascending colon was confirmed. This case is the first reported visualization of synchronous colon cancer and colonic anisakiasis on a CTC.