Published: 5 January 2022
Author(s): Yusaku Kajihara
Issue: March 2022

An 81-year-old Japanese woman presented to the author's department with acute abdominal pain and nausea. Laboratory evaluation showed a white-cell count of 13,270 cells/mm3 (Reference range, 3500–8500) and a C-reactive protein of 2.37 mg/dL (Reference range, 0.00–0.30). Non-enhanced computed tomography (CT) revealed calcification of mesenteric veins and thickening of the wall of the ascending and transverse colon (Fig. 1, Panel A). Colonoscopy showed edematous mucosa with erosions in the right hemicolon (Fig. 1, Panel B).

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