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case_images: Ulcers around the anus extending to scrotum.
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case_images: A 49-year-old male patient came to our department due to painful ulcers around the anus, which had progressively enlarged in just over 8 months (Figure 1).
case_images: (a and b) Biopsy from the ulcer edge in the skin and transverse colon revealing the infection and granulomatous inflammation (H&E, 100x magnification).
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case_images: The biopsy of the ulcer indicated a granulomatous inflammation of the infected area (Figure 2a). The colonoscopy revealed the presence of ulcers in the transverse colon, and the biopsy showed a similar feature as the sample from the skin (Figure 2b).
case_images: Smear of the perianal ulcer secretion showing tuberculosis bacilli.(The red arrow indicates the presence of tuberculosis bacilli.).
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case_images: Although the samples from the diseased skin and intestine were negative for acid-fast staining, smears of the perianal ulcer secretion were positive for tuberculosis bacilli (Figure 3).