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CT scan of pelvis shows thickening of the rectum.
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The CT scan of the abdomen/pelvis with contrast revealed thickening of the rectum (Fig. 1).
Colonoscopy.
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A colonoscopy revealed grade 2 internal hemorrhoids, many small aphthous ulcers in the rectum and normal sigmoid and descending colon (Fig. 2, Fig. 3).
H & E staining showing chronic granulomatous proctitis consistent with tuberculosis.
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The biopsy showed chronic granulomatous proctitis (Fig. 4).