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  1. Duplex Kidney (Duplicated Ureters): Cause & Treatment

    Feb 12, 2024 · Duplex kidney, also called duplicated ureters, is a congenital (present-at-birth) condition where two ureters drain pee from a single kidney. Most people don’t have symptoms …

  2. Duplex collecting system | Radiology Reference Article | Radiopaedia.org

    Oct 3, 2025 · 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 …

  3. Duplex Kidney | Children's Hospital of Philadelphia

    What is a duplex kidney? In a normal urinary tract, each kidney is connected to one ureter (a tube that drains urine into the bladder). Children with a duplex kidney (also called a duplicated …

  4. Duplex Collecting System - Boston Children's Hospital

    What is a duplex collecting system? In children with a duplex collecting system, also known as ureteral duplication, a kidney has two ureters (tubes that carry urine from the kidney to the …

  5. Duplicated collecting system - American Journal of Obstetrics

    Sep 7, 2021 · The term duplicated (or duplex) collecting system is defined as one kidney with two separate, noncommunicating renal pelves. In complete duplication, each pelvis has an …

  6. Duplicated ureter - Wikipedia

    In the case of a duplicated ureter, the ureteric bud either splits or arises twice. In most cases, the kidney is divided into two parts, an upper and lower lobe, with some overlap due to …

  7. Duplicated Ureter or Duplex Kidney: Symptoms and Diagnosis

    Different variants of the duplex kidney: duplicated ureter (left), ureter fissus (center) and bifid renal pelvis (right). Two separate ureteral buds merge on the way to the metanephric blastema, …

  8. Duplicated Collecting Systems (Duplex Kidney/Duplicated

    Duplicated collecting systems (also known as duplex collecting systems) can be defined as renal units containing 2 pyelocaliceal systems that are associated with a single ureter or with...

  9. Pediatric duplex kidney (duplicated collecting system)

    In a child with a duplex kidney, two ureters are coming from a single kidney. Duplex kidneys can occur in only one or both kidneys. Duplex kidneys – also known as a duplicated collecting …

  10. Duplex Kidney & Collecting System | Lurie Children's

    A fetus that is diagnosed with duplication of collecting systems has two ureters for one kidney; each one drains separately into the bladder. This condition is often associated with fetal …