Inflammatory pseudotumor of the kidney

Onur M. R., Firdolas F., Kocakoç E., Orhan I.

Journal of Clinical Imaging Science, vol.1, no.1, 2011 (Scopus) identifier identifier

  • Publication Type: Article / Article
  • Volume: 1 Issue: 1
  • Publication Date: 2011
  • Doi Number: 10.4103/2156-7514.75252
  • Journal Name: Journal of Clinical Imaging Science
  • Journal Indexes: Scopus
  • Keywords: Inflammatory pseudotumor, kidney, magnetic resonance imaging, ultrasonography
  • Hacettepe University Affiliated: Yes


Inflammatory pseudotumor of the kidney is a rare benign condition with unknown etiology that can mimic malignancy. We report a case of inflammatory pseudotumor of the kidney. A 59-year-old male patient was admitted with a complaint of right flank pain and hematuria. Ultrasonography and magnetic resonance imaging of the patient revealed a 9 cm × 10 cm mass originating from the renal parenchyma with posterior extension. Operative findings revealed a mass adhering to the psoas muscle. Histopathologic examination demonstrated spindle-shaped fibroblast cells accompanying inflammatory cells. The pathological diagnosis was renal inflammatory pseudotumor. Repeated US and computed tomography revealed complete remission.