title: Percutaneous removal of "extra-renal" residual urinary calculus.
abstract: We report a case of an "extra-renal" calculus and associated perinephric abscess treated by endourologic techniques. The calculus could have fallen into the perinephric tissues at the time of open renal surgery.
authors.affiliation: Department of Minimally Invasive Surgery, Institute of Urology, London, England.
authors.forename: K L
authors.initials: KL
authors.lastname: Moretti
authors.forename: M J
authors.initials: MJ
authors.lastname: Kellett
authors.forename: R A
authors.initials: RA
authors.lastname: Miller
mesh_terms: D000038:Abscess / Q000209:etiology; D000328:Adult; D005260:Female; D006801:Humans; D007669:Kidney Calculi / Q000150:complications / Q000000981:diagnostic imaging / Q000601:surgery*; D007674:Kidney Diseases / Q000209:etiology; D008722:Methods; D011859:Radiography; D012187:Retroperitoneal Space