Talk:Renal System - Abnormalities
From Embryology
Congenital Megacalyces
http://www.radpod.org/2006/12/27/congenital-megacalyces/
his 10-month old male had a large left kidney, thought to be due to tumour. A CT of the renal tracts was performed, which shows no tumour, but confirms enlargement of the left kidney. The image shown is a posterior view from a 3D reconstruction of the excretory phase of the examination (click image for frontal MIP, a virtual IVP). There are more than the usual number of calyces, and they have a bizarre polygonal, faceted shape. Congenital megacalyces are thought to be due to developmental hypoplasia of the medullary pyramids. The enlarged, floppy calyces predispose to statis, infection and calculus formation. There is an association with congenital megaureter.
- Renal ectopy
- Renal fusion
- asymptomatic renal ectopia
