title: Castleman's disease in the pararenal retroperitoneal space, which is indistinguishable from renal cell carcinoma: a case report.
abstract: A 29-year-old woman was hospitalized in our institute with the diagnosis of a right renal mass by ultrasonography on medical checkup. Computerized tomography showed a lower pole solid mass (9 cm in diameter), which was enhanced homogeneously, as well as the renal cortex in the arterial phase. The tumor was excised using radical nephrectomy based on the preoperative diagnosis of renal cell carcinoma, and thus lymph node dissection was also performed. The excised tumor was isolated from the kidney in a thin capsule, macroscopically. Postoperative pathological diagnosis revealed hyaline vascular type Castleman's disease. There was no recurrence at 1 year after the operation without any adjuvant therapy because of the complete resection.
authors.affiliation: Department of Urology, Tokai University School of Medicine.
authors.forename: Akio
authors.initials: A
authors.lastname: Hoshi
authors.forename: Masahiro
authors.initials: M
authors.lastname: Nitta
authors.forename: Masatoshi
authors.initials: M
authors.lastname: Tokunaga
authors.forename: Hideaki
authors.initials: H
authors.lastname: Hoshino
authors.forename: Sachiko
authors.initials: S
authors.lastname: Hongo
authors.forename: Kazuya
authors.initials: K
authors.lastname: Hanai
authors.forename: Zenkai
authors.initials: Z
authors.lastname: Nishikawa
authors.forename: Yasuyuki
authors.initials: Y
authors.lastname: Kobayashi
authors.forename: Masanori
authors.initials: M
authors.lastname: Shima
authors.forename: Tadashi
authors.initials: T
authors.lastname: Hanai
authors.forename: Nobuhiko
authors.initials: N
authors.lastname: Hyochi
authors.forename: Yukio
authors.initials: Y
authors.lastname: Usui
authors.forename: Toshiro
authors.initials: T
authors.lastname: Terachi
mesh_terms: D000328:Adult; D002292:Carcinoma, Renal Cell / Q000175:diagnosis* / Q000601:surgery; D005871:Castleman Disease / Q000175:diagnosis* / Q000601:surgery; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D007680:Kidney Neoplasms / Q000175:diagnosis* / Q000601:surgery; D008279:Magnetic Resonance Imaging; D009392:Nephrectomy; D014057:Tomography, X-Ray Computed