PMC9727625_01
Photomicrograph of the perianal region revealing a chronic inflammatory process with an outline of granulomas consisting of epithelioid macrophages, giant multinucleated Langhans cells (thick arrow), and lymphocytic infiltrate (arrowhead) (H&E 400 x).
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The pathological analysis (Fig. 1) revealed an epithelioid granulomatous process with multinucleated giant cells and granulation tissue in the intergluteal sulcus and the squamous tissue obtained from the perianal fistula tract.
Perianal region. The lesion s evolution over time with treatment with a tuberculostatic regimen.
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After the end of the tuberculostatic regimen, the patient's examination revealed that the intergluteal fold had granulation tissue and no secretion (Fig. 2).