Subpubic sinus: a remnant of cloaca.

Chou, T D; Chu, C C; Diau, G Y; Chiang, J H · J Urol · 1995

case_report · Level V

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Abstract

A 14-month-old girl had purulent discharge from a sinus over the subpubic region for 2 weeks. Radiography and voiding cystourethrography revealed a 4.5 cm. long fistula extending to the retropubic region without any connection to the lower urinary tract. The fistula was excised. Histological findings revealed that the fistula had 3 different types of epithelium: stratified squamous, transitional and columnar. Clinical and pathological findings indicated that the sinus was most likely a remnant of the cloaca.

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