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Duplicated ureter or duplex collecting system is a congenital condition in which the ureteric bud, the embryological origin of the ureter, splits (or arises twice), resulting in two ureters draining a single kidney. It is the most common renal abnormality, occurring in approximately 1% of the population.
The drooping lily sign is a radiological finding observed on imaging studies of the kidneys, most commonly associated with duplex collecting system and obstruction of the upper moiety. [1] This sign is characterized by the appearance of a compressed, non-obstructed lower renal moiety, which takes on a "drooping" or displaced appearance due to ...
In most cases, the upper renal moiety drains to the more medial ureteral orifice and the lower renal moiety tends to drain to the more lateral orifice. [2] The lower moiety often has a shorter muscular tunnel through the bladder wall due to the more lateral insertion, and is therefore more likely to reflux. [2]
Duplex-system ureterocele: treatment options vary with the individual and include: endoscopic incision of the corresponding ureteric orifice in case of ureteric meatal stricture; upper pole nephrectomy for a poorly functioning unit with ureterectomy or, where there is useful renal function, ureteropyelostomy.
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]
Duplex kidneys, or double kidneys, occur in approximately 1% of the population. This occurrence normally causes no complications, but can occasionally cause urinary tract infections. [40] [41] Duplicated ureter occurs in approximately one in 100 live births; Horseshoe kidney occurs in approximately one in 400 live births
Red Kidney Beans. PHOTO: JOSEPH DE LEO; FOOD STYLING: LAURA REGE. A signature ingredient in chili, red kidney beans are medium-sized with a light earthy flavor and a soft, smooth texture. They ...
Crossed dystopia (also unilateral fusion cross fused renal ectopia) is a rare form of renal ectopia (kidney displacement) where both kidneys are on the same side of the spine. [1] In many cases, the two kidneys are fused together, yet retain their own vessels and ureters . [ 2 ]