Several fistula orifices are visible in the anal cleft. Probing demonstrates fistulization nearly to the posterior anal verge. The fistulizing sinuses are marked with a dye (toluidine blue) (this ensures complete excision of all secondary sinuses).
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Exposing the fistulizing sinuses
![Exposing the fistulizing sinuses]()
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En-bloc excision
![En-bloc excision]()
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Remark: Since this is a text-to-speech computer voice, it may mispronounce some medical terminology.Complete oval excision of the entire chronically infected tissue. All tissue marked blue must be safely removed in toto while sparing the sacral fascia and leaving on the sacral fascia as thin a layer of fat as possible.
Inspecting the specimen
The transected specimen reveals a wide fistulizing sinus with tufts of broken hair.Note: The benefi
The transected specimen reveals a wide fistulizing sinus with tufts of broken hair.Note: The benefi
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