After gallbladder surgery, a biliary fistula may form between the biliary tract and the intestines or liver. ... It occurs when channels (also known as sinus tracts) ...

Cutaneous dental (or odontogenic) sinus tracts are uncommon occurrences in which a channel forms from a dental focus of infection to a drainage site on the skin of the face or neck. Odontogenic ...

An elliptical incision was made around the suspected sinus tract and followed ... it was clear that the suspected sinus tract, was in fact, a fistula tract connected to a blind segment of small ...

At 4-month follow-up, there was complete resolution of the sinus tract, lymphadenopathy and the chest wall fistula. C. immitis is a dimorphic fungus indigenous to the soils of southwestern United ...

This involves surgically opening the fistula tract so it can heal from the inside out [2]. For complex or high fistulas: Sphincter-sparing procedures like the loose seton technique are common.