Submitted material is fragmented showing extensively ulcerated surface mucosa with related dense infiltration by neutrophils, lymphocytes, plasma cells, macrophages and few multinucleated foreign body type giant cells. Picture is consistent with chronic suppurative inflammation complicating an underlying perianal fistula. No evidence of specific granulomas. No evidence of malignancy.
Perianal fistula, suspected tuberculosis.
Partially covered soft tissue fragment measured 1 x0.8 x0.6 cm, totally embedded.
Perianal tissue, fistulectomy: