title: Increase in CT attenuation values of parapelvic renal cysts after retrograde pyelography.
mesh_terms: D000368:Aged; D003287:Contrast Media; D006801:Humans; D052177:Kidney Diseases, Cystic / Q000000981:diagnostic imaging*; D008297:Male; D010388:Pelvis; D013997:Time Factors; D014057:Tomography, X-Ray Computed; D014567:Urography / Q000379:methods*
chemical_list: D003287:Contrast Media