Anomalies - polycystic kidneys in adulthood o Accessory...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Anomalies Common anomalies Types of anomalies include the following: o Non-development (agenesis): Non-definable organ is identified o Mal-development: Organ does not develop properly o Ectopic: Development is in wrong place Kidney anomalies o Pelvic kidney: Kidney does not move headwards to adult position (failure of ascent) o Horseshoe kidney: Kidneys fuse together in lower pole o Thoracic kidney: Associated with posterolateral defect in diaphragm o Crossed ectopia: Both kidneys on one side o Renal agenesis: Only single kidney develops; Due to absence of ureteric bud o Supernumerary kidney: Extra kidney on either side; Result of 2 ureteric buds Ureter anomalies o Duplex/Bifid: Incomplete division causes 2 ureteric buds to reach kidney; Problematic if one end is ectopic (below sphincter/into vagina) ---- urinary incontinence o Polycystic disease: Mal-union of ureter with renal parenchyma ---- develop
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Background image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: polycystic kidneys in adulthood o Accessory renal arteries: May cross in front of ureter causing obstruction of urine outflow Testes anomalies o Failure to descend o Absent mesonephric duct: Leads to normal sized testis, but with azoospermia Bladder anomalies o Persistent allantois with urachal fistula Urachal cyst: Failure of obliteration of small part of allantois ---- cyst with collection of fluids Urachal sinus: Distal part of allantois unobliterated ---- sinus opening on umbilicus Urachal fistula: Failure of obliteration of entire allantois ---- bladder communicates with exterior by urine dribbling fistula o Ectopia vesicae: Trigone empties to anterior wall of bladder without covering of endoderm...
View Full Document

This note was uploaded on 11/22/2011 for the course BSC BSC1085 taught by Professor Sharonsimpson during the Fall '10 term at Broward College.

Page1 / 2

Anomalies - polycystic kidneys in adulthood o Accessory...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online