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Preureteric vena cava or retrocaval ureter is an uncommon congenital anomaly where the right ureter runs behind and medial to the inferior vena cava (IVC) due to dysgenesis of the IVC. This abnormality has been diagnosed using computed tomography urography (CTU), nuclear scintigraphy , ultrasound , intravenous urography , and magnetic resonance ...
The inferior vena cava and the abdominal aorta sit to the midline of the right and left ureters, respectively. [2] In the lower part of the abdomen, the right ureter sits behind the lower mesentery and the terminal ileum, and the left ureter sits behind the jejunum and the sigmoid colon. [2]
This is an accepted version of this page This is the latest accepted revision, reviewed on 13 November 2024. This article is about the human urinary system. For urinary systems of other vertebrates, see Urinary systems of birds, urinary systems of reptiles, and urinary systems of amphibians. Anatomical system consisting of the kidneys, ureters, urinary bladder, and the urethra Urinary system 1 ...
ureter; circulatory aorta; inferior vena cava; digestive. anal canal; Secondarily retroperitoneal, meaning the structures initially were suspended in mesentery and later migrated behind the peritoneum during development [3] the duodenum, except for the proximal first segment, which is intraperitoneal [4]
The renal veins empty into the inferior vena cava, entering it at nearly a 90° angle. [1] Due to the right-ward displacement of the inferior vena cava from the midline, the left renal vein is some 3 times longer than the right one (~7.5 cm and ~2.5 cm, respectively). [1]
The dismembered type of pyeloplasty (called an Anderson-Hynes pyeloplasty) is the most common type of pyeloplasty. This was described in relation to retrocaval ureter (now renamed as preureteric vena cava). Another technique of pyeloplasty is Culp's pyeloplasty; in this method a flap is rotated from dilated pelvis to decrease narrowing of ureter.
The inferior vena cava is a large vein that carries the deoxygenated blood from the lower and middle body into the right atrium of the heart. It is formed by the joining of the right and the left common iliac veins , usually at the level of the fifth lumbar vertebra .
Inferior vena cava, 10 ... The lower part of the bladder is supplied by ... Bladder cancer is most often due to cancer of the cells lining the ureter, ...