title: Retroperitoneal foreign body presenting as a sarcomatous bladder tumor.
authors.affiliation: Department of Urology, University of Miami School of Medicine, Florida, USA.
authors.forename: S D
authors.initials: SD
authors.lastname: Dudak
authors.forename: R
authors.initials: R
authors.lastname: Gosalbez
mesh_terms: D002648:Child; D003937:Diagnosis, Differential; D005547:Foreign Bodies / Q000175:diagnosis*; D006801:Humans; D008297:Male; D012187:Retroperitoneal Space; D012208:Rhabdomyosarcoma / Q000175:diagnosis*; D001749:Urinary Bladder Neoplasms / Q000175:diagnosis*