pyeloscopy

[pī′ə-lŏskə-pē]
n.
  1. Fluoroscopic observation of the pelvis and the calices of the kidney following injection of a contrast medium through the ureter.
The American Heritage® Stedman's Medical Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Company. Published by Houghton Mifflin Company.