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European J Pediatr Surg Rep. 2015 Jun;3(1):43-5. doi: 10.1055/s-0034-1396787. Epub 2014 Dec 12.

Congenital Prepubic Sinus with Remnant Tissue Mimics Corpus Spongiosum: A Rare Case.

European journal of pediatric surgery reports

Suleyman Celebi, Özgür Kuzdan, Serdar Sander, Nermin Gündüz, Seyithan Özaydın, Sevgi Yavuz

Affiliations

  1. Division of Pediatric Surgery, Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey.
  2. Division of Pathology, Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey.
  3. Division of Pediatric Nephrology, Kanuni Sultan Suleyman Training and Research Hospital, Istanbul, Turkey.

PMID: 26171315 PMCID: PMC4487123 DOI: 10.1055/s-0034-1396787

Abstract

A congenital prepubic sinus is a tract that originates in the skin and overlays the base of the penis; however, its embryologic basis is still debated. We herein present a case involving a 3-year-old boy who was admitted for examination of overlying tissue located a few centimeters distal to the dorsal base of the penis. Examination revealed a tiny sinus in the prepubic area, and 3 cm of tissue was attached to the sinus. Pathologic examination showed that the tissue was lined with squamous epithelium and continued along the sinus tract, which was lined with urothelial epithelium. According to Stephens' classification, the sinus appeared to be a variant of type 2 dorsal urethral duplication, and the remnant tissue mimicked the corpus spongiosum of the penis.

Keywords: congenital prepubic sinus; corpus spongiosum; dorsal urethral duplication

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