external fistula

ex·ter·nal fis·tu·la

a fistulous pasage connecting a hollow viscus and the skin.

external fistula

an abnormal passage between an internal organ or structure and the cutaneous surface of the body. It can be surgically created or caused by delayed wound healing or necrotizing tumors.

ex·ter·nal fis·tu·la

(eks-tĕr'năl fis'tyū-lă)
A fistula between a hollow viscus and the skin.
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References in periodicals archive ?
Daily the external fistula opening was flushed with Povidone iodine mixed normal saline daily till closure.
Those who presented late were females with an external fistula that was mistaken for a normal anus.
The excess tract was excised and the cut end was sutured with the anal canal mucosa, thus converting an external fistula into an internal one, where the secretions from it can be retained by the external anal sphincter, thus preventing constant soiling.
External fistula of the main parotid duct; the alternative procedure.
At examination under anaesthesia, 5 patients were found to have multiple external fistula openings, and 2 had a single external opening.
Once perforated, it may drain into the peritoneal cavity, adjacent viscera or less commonly adhere to the abdominal wall to form an external fistula.
Welch; External Fistulas Arising From the Gastro-intestinal Tract; Ann Surg.