title: Surgically discovered xanthogranulomatous pyelonephritis invading inferior vena cava with coexisting renal cell carcinoma.
abstract: Xanthogranulomatous pyelonephritis (XGP) is a chronic inflammatory process that results in replacement of renal and/or perirenal tissue with a diffuse infiltrate of inflammatory cells referred to as xanthoma cells. We present a case of a 49-year-old man with an incidentally discovered renal mass with inferior vena cava (IVC) thrombus, who was found intraoperatively to have a significant inflammatory process involving the posterior wall of his IVC and right renal vein consistent with XGP surrounding a focus of clear cell renal cell carcinoma in the midportion of his right kidney.
authors.affiliation: Department of Urology, University of Iowa, Iowa City, USA. henry-rosevear@uiowa.edu
authors.forename: Henry M
authors.initials: HM
authors.lastname: Rosevear
authors.forename: Melissa M
authors.initials: MM
authors.lastname: Meier
authors.forename: Brian L
authors.initials: BL
authors.lastname: Gallagher
authors.forename: Fadi N
authors.initials: FN
authors.lastname: Joudi
mesh_terms: D002292:Carcinoma, Renal Cell / Q000098:blood supply* / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D011705:Pyelonephritis, Xanthogranulomatous / Q000150:complications / Q000175:diagnosis* / Q000601:surgery; D014057:Tomography, X-Ray Computed; D014682:Vena Cava, Inferior / Q000601:surgery