What department should I go to for anal fistula?
If you suspect you have an anal fistula, it is recommended to register with a proctology department for examination and treatment. The examination of an anal fistula mainly involves digital rectal examination, local perianal ultrasound, and probing with a probe. Typically, an anal fistula will have an external opening in the local anal area, and when the doctor touches near the dentate line of the anal canal with their index finger, an internal opening will be found in the anal crypt. Pressing on the local internal opening will cause secretions to flow out from it. Anal fistulas are relatively easy to diagnose, but further examinations such as perianal ultrasound and pelvic MRI are needed to clarify the direction of the fistula tract and the extent of the lesion. The treatment of an anal fistula primarily involves surgery, using techniques such as fistulotomy with seton placement to remove the local infection.
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