What is a duplex collecting system?
A duplex collecting system, or duplicated collecting system, is one of the most common congenital renal tract abnormalities. It is characterized by an incomplete fusion of upper and lower pole moieties resulting in a variety of complete or incomplete duplications of the collecting system.
Can duplex kidney cause kidney stones?
Urinary stone formation is a possible comorbidity which can be observed in patients with duplex system. Few reports include patients with duplex systems and urinary stones with coexisting ureterocele and/or collecting system obstruction.
What does a duplicated kidney mean?
A duplicated kidney, also referred to as an ureteral duplication or duplicated collecting system, means that a kidney has two ureters draining the kidney rather than the normal one. The two ureters may either drain the kidney into the bladder independently of one another or as a single ureter into the bladder.
How common is a double ureter?
Duplicated ureter is the most common renal abnormality, occurring in approximately 1% of the population. It occurs in about 0.7% of healthy adults and in 2% to 4% of people with urinary tract issues. Duplicated ureter is more common in White Americans than in African-Americans.
Can you donate a kidney if you have a duplex kidney?
It is more common for these “duplex kidneys” to split only partially, or to grow a second ureter (the tube that drains urine into the bladder). Moon is having tests to check her four kidneys all work properly. If they do, she may be able to donate one or two.
Is double ureter hereditary?
It can happen in boys or girls, but is more common in girls. There is also no proof that something during pregnancy causes it. It is known to be hereditary (passed down in a family). If you had an ectopic ureter, then each of your children has a one-half chance of having this duplicated system.