08-24-2008, 02:38 AM
A 50-year-old man presents with renal colic and an intravenous pyelogram demonstrates "clumps" of
contrast medium limited to the medulla. Multiple small stones are also seen. Blood chemistries
are all within normal limits. What is the most likely explanation for these findings?
A. Adult polycystic renal disease
B. Horseshoe kidney
C. Infantile polycystic renal disease
D. Medullary sponge kidney
E. Renal dysplasia
contrast medium limited to the medulla. Multiple small stones are also seen. Blood chemistries
are all within normal limits. What is the most likely explanation for these findings?
A. Adult polycystic renal disease
B. Horseshoe kidney
C. Infantile polycystic renal disease
D. Medullary sponge kidney
E. Renal dysplasia