Among female patients 3 were anovestibular fistula, one was a case of rectovestibular fistula
and other one is anteriorly placed anus.
In this case, an infant with an ARM with a rectovestibular fistula was only referred for management on day 16 after birth.
Females Males Cloaca 5 Rectovestibular fistula 14 Rectal atresia/stenosis 2 No fistula 4 Rectovesical fistula 3 Recto-prostatic- 3 urethral fistula Recto-bulbar-urethral fistula 6 Perineal fistula 3 5 Unknown 5 Note: Table made from bar graph.
A rectovestibular fistula
occurs when the tissue between the rectum and vestibule is perforated by the calf, but the malposture of the foal is corrected before the foal is delivered, allowing
Then, a vertical incision was made through the layers from the lower end of the sacrum to the commisura posterior over the rectovestibular fistula
. The external sphincter and the muscle complex were prepared until the rectum was located in the midline (Figure 2, 3).
Mayer-Rokitansky-Kuster-Hauser (MRKH) syndrome associated with rectovestibular fistula
, though rare, should be kept in mind as a differential diagnosis of this presentation.
Atresia ani associated with rectovestibular fistula
and vulvar agenesis in a buffalo calf.
Transanal approach in repairing acquired rectovestibular fistula
Out of total 30 patients of both groups only 1 patient of NSARP group had rectovestibular fistula
. Rest of the 29 patients had anovestibular type.
Some of the authors (Wakhlu et al.), advocated that operation on patients with rectovestibular fistula
is safer under cover of a protective colostomy (8,7)
In intermediate anomalies, rectobulbar urethral fistula was the main anomaly noted in males, in females rectovestibular fistula
was the commonest.
Continued communication between the urogenital tract and rectal portions of the cloacal plate causes rectourethral fistulas or rectovestibular fistulas
. The external anal sphincter derived from exterior mesoderm is usually present, but has varying degrees of formation ranging from good muscle (perineal or vestibular fistula) to virtually no muscle (complex long-common-channel cloaca, prostatic or bladderneck fistula).