title: Laparoscopic diagnosis and management of perinephric adipose-containing lesions.
abstract: We describe two patients in whom imaging and percutaneous biopsy of perinephric masses were insufficient for diagnosis. Laparoscopic biopsy permitted the diagnosis of fibrosis with chronic inflammation in one case and liposarcoma in the other.
authors.affiliation: Section of Urology, University of Chicago Pritzker School of Medicine, Chicago, Illinois 60637, USA.
authors.forename: Alvario
authors.initials: A
authors.lastname: Lucioni
authors.forename: Marcelo A
authors.initials: MA
authors.lastname: Orvieto
authors.forename: Gary W
authors.initials: GW
authors.lastname: Chien
authors.forename: Mitchell H
authors.initials: MH
authors.lastname: Sokoloff
authors.forename: Glenn S
authors.initials: GS
authors.lastname: Gerber
authors.forename: Arieh L
authors.initials: AL
authors.lastname: Shalhav
mesh_terms: D000273:Adipose Tissue / Q000000981:diagnostic imaging / Q000473:pathology*; D000328:Adult; D000368:Aged; D001706:Biopsy / Q000379:methods; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D010535:Laparoscopy; D008080:Liposarcoma / Q000000981:diagnostic imaging / Q000473:pathology*; D008297:Male; D012185:Retroperitoneal Fibrosis / Q000000981:diagnostic imaging / Q000473:pathology; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging / Q000473:pathology*; D012187:Retroperitoneal Space / Q000000981:diagnostic imaging / Q000473:pathology*; D014057:Tomography, X-Ray Computed