{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,4]],"date-time":"2026-05-04T08:52:28Z","timestamp":1777884748173,"version":"3.51.4"},"reference-count":28,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2009,12,1]],"date-time":"2009-12-01T00:00:00Z","timestamp":1259625600000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pediatr Dev Pathol"],"published-print":{"date-parts":[[2009,12]]},"abstract":"<jats:p>A specimen of accessory phallic urethra duplication (triplication) in a 32.5-week gestation female was studied histologically. The specimen demonstrated an anterior \u201cphallic urethra\u201d ending inside a penoclitoral organ in a megalourethra-like dilatation with a narrow epispadiac meatus and \u201canterior urethrocutaneous fistula\u201d and a posterior canal opening with the anal canal. With histology suggestive of a split persistent urogenital sinus, correlation to normal development strongly suggests an error in the formation of the cloacal membrane and developing superficial cloaca at 26 to 29 days' ovulation age (2 to 4 mm), causing an isolated interruption of the membrane by mesenchyme, which by participating in the growth of the early cloaca may extend as far as the vaginal orifice later. Differences in number, position, and size of such mesenchymal interruptions can explain other duplications and triplications and offer a single alternative for the many current theories of pathogenesis, none of which are compatible with new insights in normal development.<\/jats:p>","DOI":"10.2350\/08-07-0494.1","type":"journal-article","created":{"date-parts":[[2008,9,15]],"date-time":"2008-09-15T16:30:48Z","timestamp":1221496248000},"page":"487-492","source":"Crossref","is-referenced-by-count":8,"title":["Duplication of Accessory Phallic Urethra (Urethra Triplication) in the Female, Signaling Mesenchymal Interruptions of the Cloacal Membrane as a Cause for Sagittal Urethral Duplications"],"prefix":"10.1177","volume":"12","author":[{"given":"Sebastian C.J.","family":"van der Putte","sequence":"first","affiliation":[{"name":"Department of Pathology, University Medical Center Utrecht, Utrecht, The Netherlands"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"179","published-online":{"date-parts":[[2011,9,1]]},"reference":[{"key":"bibr1-08-07-0494.1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-5347(17)68503-3"},{"key":"bibr2-08-07-0494.1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-5347(17)54280-9"},{"key":"bibr3-08-07-0494.1","doi-asserted-by":"publisher","DOI":"10.1016\/S0022-5347(17)54281-0"},{"key":"bibr4-08-07-0494.1","doi-asserted-by":"crossref","unstructured":"Van der Putte SCJ. 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