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Medical Term:


Pronunciation: hi'dro-ne-fro'sis


Dilation of the pelvis and calyces of one or both kidneys. This may result from obstruction to the flow of urine, vesicoureteral reflux, or it may be a primary congenital deformity without an apparent cause.

Synonym(s): pelvocaliectasis, pyeloureterectasis

[hydro- + G. nephros, kidney, + -osis, condition]

© Copyright 2017 Wolters Kluwer. All Rights Reserved. Review Date: Sep 19, 2016.