external fistula

ex·ter·nal fis·tu·la

a fistulous pasage connecting a hollow viscus and the skin.
Farlex Partner Medical Dictionary © Farlex 2012

ex·ter·nal fis·tu·la

(eks-tĕr'năl fis'tyū-lă)
A fistula between a hollow viscus and the skin.
Medical Dictionary for the Health Professions and Nursing © Farlex 2012
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* 76 percent of treated external fistula openings showed complete re-epithelializa on or an absence of drainage at week 48
* 76 percent of treated external fistula openings showed complete re-epithelialization or an absence of drainage at week 48
A total of 76% of treated external fistula openings showed complete re-epithelialization or an absence of drainage at week 48 with greater than 50% decrease in mean Perianal Crohn's Disease Activity Index, or PDAI, at 48 weeks.
The FiLaC[TM] approach was designed to simultaneously eliminate both the anal gland/crypt and the epithelial layer of the fistula via photothermal effect, while also closing both the internal and external fistula openings.
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.
If a drain is in the subhepatic space, an external fistula develops.
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.
Medical treatment is particularly suitable for external fistulas. Some immunosuppressive agents and anti-TNF-[alpha] therapy are commonly used in treatment.