The typical appearance of "spider leg" on excretory urography is seen in:: (A) Hydronephrosis, (B) Polycystic kidney, (C) Medullary sponge kidney, (D) Renal cell carcinoma
Answer is B. Diagnosis USG: Enlarged kidney with uniformly medullary echogenicity. IVP in ADPKD Stretching of the calyces by the cysts (spider leg or ball like deformity. Bubble appearance (calyceal distoion) Swiss cheese appearance. CT scan is IOC in ADPKD