title: Percutaneous removal of caliceal calculi.
abstract: Of 170 patients who underwent percutaneous nephrostolithotomy, 61 had stones located in a calix. Direct access to the calix containing the calculus optimizes removal. Special maneuvers during and after percutaneous stone removal (e.g., parallel-tract push and loop snare retrieval system) facilitate removal of caliceal calculi from more difficult locations; 46% of patients with caliceal calculi required adjuvant radiologic techniques. Complete calculus removal was achieved in 90% of patients with caliceal calculi.
mesh_terms: D000328:Adult; D000368:Aged; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000000981:diagnostic imaging / Q000601:surgery*; D007670:Kidney Calices / Q000601:surgery*; D007682:Kidney Pelvis / Q000601:surgery*; D008297:Male; D008722:Methods; D008875:Middle Aged; D011859:Radiography; D014547:Urinary Diversion