<prompt> A 40-year old male complains of a vague dragging sensation in his abdomen for the last 6 months. There was no history of fever, renal colic or dysuria. Physical examination reveals a blood pressure at 15096 mm Hg. Renal ultraound : Bilaterally enlarged kidneys with multiple cysts. Urinary analysis: Mild Proteinuria WBCs 4HPF Normal: 5HPF RBCs 10HPF Normal : 5HPF The renal pathology was a result of -NephrolithiasisEnlarged prosatePolycystic kidney diseaseDeposition of immune complexes in the glomeruli  <response>: Polycystic kidney disease - Asymptomatic till fouh decade. Clinical manifestations -progressive bilateral formation of renal cysts, hypeension, abdominal mass, flank painfrequent symptom in 60of pts . Pain may result from cyst hemorrhage , infection or nephrolithiasis. Gross hematuria resulting from cyst rupture occurs in 40of patients in their course of disease and many will have recurrent episodes. Proteinuria is a minor feature. Ref:Harrison 20 th edition pg no 2152 