Pathology

A 31-year-old woman experiences abdominal pain 1 week after noticing blood in her urine. She has had three episodes of urinary tract infection during the past year. There are no remarkable findings on physical examination. Urinalysis shows 2+ hematuria, 1+ proteinuria, hypercalciuria, and no glucose or ketones. Serum creatinine is 1.0 g/dL. Microscopic examination of the urine shows numerous RBCs and oxalate crystals. An abdominal CT scan with contrast shows linear striations radiating into the renal papillae, along with small cystic collections of contrast material in dilated collecting ducts. She is advised to increase her daily intake of fluids, and her condition improves. Which of the following renal cystic diseases is most likely to be associated with these findings?