title: Retroperitoneal Hygroma.
abstract: We present a 46-year-old white male with a retroperitoneal hygroma protruding from the right flank.
authors.affiliation: SUNY Downstate - Kings County Medical Center - Radiology, New York, NY, USA.
authors.forename: Atabak
authors.initials: A
authors.lastname: Allaei
authors.affiliation: Johns Hopkins Medical Institutions - Radiology, Baltimore, Maryland, USA.|Tulane School Medicine - Radiology, New Orleans, Louisiana, USA.
authors.forename: Erich K
authors.initials: EK
authors.lastname: Lang
mesh_terms: D006801:Humans; D018191:Lymphangioma, Cystic / Q000000981:diagnostic imaging*; D008297:Male; D008875:Middle Aged; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging*; D014057:Tomography, X-Ray Computed / Q000379:methods; D047368:Tumor Burden