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Rectovestibular fistula : ウィキペディア英語版 | Rectovestibular fistula A rectovestibular fistula, also referred to simply as a vestibular fistula, is an anorectal congenital disorder where an abnormal connection (fistula) exists between the rectum and the vulval vestibule of the female genitalia. If the fistula occurs within the hymen, it is known as a rectovaginal fistula, a much rarer condition.〔 ==Description== A rectovestibular fistula occurs when the colon or rectum deviates anteriorly. This leads to the formation of an abnormal connection between the rectum and the vulval vestibule, immediately posterior to the hymen, so that an ectopic anus opens into the fourchette, or frenulum, of the labia minora. A common wall is shared between the rectum and vagina above the site of the fistula. Although the opening of the rectum into the anal canal is shorter and narrower than normal, the rectum itself is completely normal.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Rectovestibular fistula」の詳細全文を読む
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