MEDICINE & HEALTH/RHODE ISLAND Ureteroscopic Management of Renal Calculi In a Pelvic Kidney

A fifty-four year old man presented to the emergency room with lower abdominal pain and the inability to urinate. He denied any fevers, nausea or vomiting and his physical exam was significant for suprapubic tenderness, a palpable bladder, no costovertebral angle tenderness and a mass palpated at the penile urethra. Non-contrast computed tomography revealed a right pelvic kidney with three 1 cm renal stones and a single 0.5cm obstructing mid urethral stone with a distended blad-der. The patient passed his urethral stone soon after returning from radiology and voided spontaneously thereafter. His three remaining nonobstructing renal calculi were treated surgically as an outpatient. According to autopsy series, the incidence of renal ecto-pia ranges from 1 in 500 to 1 in 1200 patients. The incidence of stones in patients with pelvic kidneys is known to be highe