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either of a pair of thick-walled tubes that carry urine from the kidney to the urinary bladder
exhibiting ectopia

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尿管(じん臓から膀胱(ぼうこう)に尿を送る筋肉質の管)

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出典(authority):フリー百科事典『ウィキペディア（Wikipedia）』「2013/09/10 20:43:58」(JST)

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Ectopic ureter (or ureteral ectopia) is a medical condition where the ureter, rather than terminating at the urinary bladder, terminates at a different site.^[1]^[2] In males this site is usually the urethra, in females this is usually the urethra or vagina.^[3] It can be associated with renal dysplasia,^[4] frequent urinary tract infections, and urinary incontinence (usually continuous drip incontinence).^[5] Ectopic ureters are found in 1 of every 2000–4000 patients,^[6] and can be difficult to diagnose, but are most often seen on CT scans.^[7]

Ectopic ureter is commonly a result of a duplicated renal collecting system, a duplex kidney with 2 ureters. In this case, usually one ureter drains correctly to the bladder, with the duplicated ureter presenting as ectopic.^[8]

References[edit source | edit]

^ "Definition: ectopic ureter from Online Medical Dictionary". Retrieved 2007-12-01.
^ "An Ectopic Ureter". Retrieved 2007-12-01.
^ "UrologyHealth.org - Pediatric Conditions: Abnormalities - Ectopic Ureter". Retrieved 2009-02-09.
^ "Abnormal Ureteric Development". Retrieved 2007-12-01.
^ Gordon M, Cervellione RM, Hennayake S (2007). "Constant urinary dribbling due to an ectopic ureter and delays in diagnosis". Clin Pediatr (Phila) 46 (6): 544–6. doi:10.1177/0009922807299311. PMID 17579108.
^ "Duplicated Ectopic Ureter". Retrieved 2009-02-10.
^ "Diagnosis Of Ectopic Ureter As A Cause Of Urinary Incontinence". Retrieved 2009-02-10.
^ "Duplicated Collecting System". Retrieved 2009-02-10.

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1. 異所性尿管 ectopic ureter
2. 先天性腎尿路異常（CAKUT）の概要 overview of congenital anomalies of the kidney and urinary tract cakut
3. 思春期前の小児における外陰膣に関する愁訴 vulvovaginal complaints in the prepubertal child
4. 異所性および癒合性異常腎 renal ectopic and fusion anomalies
5. 胎児水腎症の概要 overview of antenatal hydronephrosis

English Journal

Unsuccessful Foley Catheterization Had an Unexpected Explanation.

Yune JJ1, Lightfoot M, Baldwin DD, Hardesty J, Siddighi S.
Female pelvic medicine & reconstructive surgery.Female Pelvic Med Reconstr Surg.2014 Sep 2. [Epub ahead of print]
BACKGROUND: Foley catheterization is a simple procedure routinely performed during many obstetric and gynecologic procedures. Failure to adequately drain the bladder with catheter insertion should prompt further investigation to minimize morbidity to the patient.CASE: After repeated attempts to plac
PMID 25185614

Surgical treatment of a duplicated and ectopic ureter in a dog.

Newman M1, Landon B.
The Journal of small animal practice.J Small Anim Pract.2014 Sep;55(9):475-8. doi: 10.1111/jsap.12227. Epub 2014 Apr 30.
An eight-month old female bull mastiff was referred for evaluation of urinary incontinence. Contrast-enhanced computed tomography identified complete duplication of the left ureter with ectopic insertion of the duplicate ureter into the proximal urethra. Ureteroneocystostomy was performed, which imp
PMID 25168741

Japanese Journal

同側無形成腎を伴う精嚢腺嚢胞に重複下大静脈を伴った1例

藤田昌弘,後藤隆康,細木茂
泌尿器科紀要 58(9), 511-514, 2012-09-00
… Magnetic resonance imaging showed a cystic ectopic ureter associated with the seminal vesicle cyst. …
NAID 40019429571

腹腔鏡下手術後に一過性の水腎症を発症した卵管同質部双胎妊娠の1例

林子耕,炬口恵理,矢野清人,山崎幹雄,村上雅博,中川康
日本産科婦人科内視鏡學會雜誌 = The journal of the Japan Endoscopy Society of Obstetrics and Gynecology 28(1), 382-388, 2012-08-01
… To prevent persistence of the ectopic pregnancy, the patient was administered methotrexate, and the urine level of human chorionic gonadotropin decreased to normal 4 weeks after surgery. … Computed tomography revealed a cystic lesion (diameter, approximately 5 cm) in the right ovary, and dilatation of the right renal pelvis and ureter. …
NAID 10031121793