Abnormal Ureteric Development renal agenesis. If the ureteric bud fails to arise from the mesonephric ductthe metanephros will not be induced to form a kidney (renal agenesis). http://www.meddean.luc.edu/lumen/MedEd/urology/abnurtdv.htm
Extractions: David A. Hatch, M.D. The normal ureter is a conduit to drain urine effectively at low pressures from the kidney to the bladder. At several points along its development abnormalities can occur which impair its function. Renal agenesis. If the ureteric bud fails to arise from the mesonephric duct the metanephros will not be induced to form a kidney (renal agenesis). In some males, the mesonephric duct fails to form. In this case, neither a kidney nor a vas and epididymis will form although the testis may descend to its normal position in the scrotum. Renal dysplasia. If the ureteric bud arises in an abnormal position on the mesonephric duct, it will not invade the center of the metanephrogenic blastema. Although contact with the periphery of the blastema may still result in the induction of a kidney, the induced renal tissue may be dysplastic. Although such a kidney will produce urine, it will not function normally. Vesicoureteric reflux. The ureteric bud may arise from the mesonephric duct nearer to the urogential sinus (medial) than it should. This may result in renal dysplasia. In addition, as the rotational incorporation of the mesonephric duct and ureter into the developing bladder progresses, the ureteric orifice (where the ureter drains into the bladder) will finally lie lateral to and cephalad to the normal position in the developed bladder. In such cases, the tunnel through which the ureter travels into the bladder will be abnormally short. Vesicoureteric reflux ( abnormal flow of urine from the bladder up the ureter to the kidney) may result because the tunnel is too short to make a competent distal ureteric valve. This may explain why many kidneys with high grade reflux have abnormal function. The abnormal position of the ureteric bud results both in renal dysplasia (poor induction of the kidney) and also in reflux (abnormal position or ureteric orifice in the bladder).
THE MERCK MANUAL, Sec. 19, Ch. 261, Congenital Anomalies Agenesis Bilateral renal agenesis (absence of both kidneysPotter's syndrome)is fatal. It is associated with oligohydramnios, pulmonary http://www.merck.com/pubs/mmanual/section19/chapter261/261j.htm
Extractions: This Publication Is Searchable The Merck Manual of Diagnosis and Therapy Section 19. Pediatrics Chapter 261. Congenital Anomalies Topics [General] Congenital Heart Disease Pulmonary Vascular Disease Heart Failure ... Chromosomal Abnormalities Renal And Genitourinary Defects Congenital anatomic anomalies of the GU tract are more common than those of any other organ system. Complications (eg, urinary obstruction, stasis) may result in impaired renal function, infection and calculus formation, and sexual disability or infertility. Treatment is often surgical. KIDNEY Fusion anomalies: Fusion anomalies (in which the kidneys are joined but the ureters still enter the bladder on each side) increase the risk of ureteropelvic junction obstruction, vesicoureteral reflux, multicystic renal dysplasia, and injury from anterior abdominal trauma. Horseshoe kidney is the most common fusion anomaly. Renal parenchyma on each side of the vertebral column is joined at the corresponding (usually the lower) poles, with an isthmus of renal parenchyma or fibrous tissue across the midline at the joined areas. The ureters course medially and anteriorly over this isthmus and generally drain well. Obstruction, if present, is usually secondary to high insertion of the ureter in the renal pelvis, not secondary to the isthmus. Pyeloplasty can be performed without resection of the isthmus. Crossed fused renal ectopia is the second most common fusion anomaly. The renal parenchyma (representing both kidneys) is on the same side of the vertebral column. One of the ureters crosses the midline and enters the bladder on the side opposite the kidneys. When ureteropelvic junction obstruction is present, pyeloplasty is the treatment of choice.
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:: International Braz J Urol :: Albarran Institute of Urology, Rio de Janeiro, RJ, Brazil. ABSTRACT. Seminal vesiclecysts associated with ectopic ureter and renal agenesis is a rare condition. http://www.brazjurol.com.br/july_august_2002/Buogo_ing_335_337.htm
Extractions: Download pdf GILBERTO BUOGO, HENRIQUE RODRIGUES, PAULO RODRIGUES Albarran Institute of Urology, Rio de Janeiro, RJ, Brazil ABSTRACT Seminal vesicle cysts associated with ectopic ureter and renal agenesis is a rare condition. We report on a 23-year-old man with a history of pelvic discomfort and post-coital testicular pain. The investigation disclosed a left seminal vesicle cyst, and an absent left kidney. The patient was successful submitted to resection of the left seminal vesicle, ureter, and dysplastic renal tissue altogether, through laparoscopic approach. Laparoscopy has shown to be an excellent treatment option for this rare condition. Key words: laparoscopy; urinary tract; seminal vesicles; abnormalities
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Listings Of The World Health Conditions And Diseases Listings World Health Conditions and Diseases Urological Disorders CongenitalAnomalies renal agenesis. Listings World, http://listingsworld.com/Health/Conditions_and_Diseases/Urological_Disorders/Con
JIMA - Issue - Vol 100 No 06, June, 2002 (B) renal agenesis In one case, on aortography left renal arterycould not be visualised. Nor any nephrogenic phase or collaterals http://www.jimaonline.org/june2002/originals1_03.html
Extractions: Table 4-Various Abnormalities Seen on Aortography and/or Selective Renal Angiography (n=17) (A) Abnormality No of cases (A) Renovascular disease : (i) Isolated renal artery stenosis (RAS) (ii) RAS associated with aorto-arteritis - Unilateral - Bilateral (iii) Diffuse aorto-arteritis of abdominal aorta (iv) Aneurysm of abdominal aorta involving renal artery (v) Congenital hypoplasia - Unilateral - Bilateral (vi) Congenital hypoplasia with chronic pyelonephritis (B) Absent left renal artery Proteinuria was present in 9 cases in addition to hypertension. Five (55.5%) of them showed positive evidence of renal/renovascular disease; 3 (33.3%) showed renovascular disease, while renal parenchymal disease was present in 2 cases (22.2%). Simon et al10 stated that proteinuria was present in a significant number of cases having renovascular disease. They reported evidence of proteinuria in 48% of cases with renovascular hypertension.
OBSTRÜKSIYONLU HEMIVAJINA VE IPSILATERAL RENAL AGENEZI Uterus didelphys with an obstructed hemivagina and ipsilateral renalagenesis A case report L.Abbasoglu, A.Çelik, F.Gün, F T http://www.tccd.org/kongre/bildiri2000/P63.html
Katalog - Wirtualna Polska Serwis Katalog w Wirtualna Polska S.A. pierwszy portal w Polsce. http://katalog.wp.pl/DMOZ/Health/Conditions_and_Diseases/Urological_Disorders/Co
