Cavernous hemangioma mimicking a cystic renal cell carcinoma

  • Ei-Ichiro Takaoka
  • Noritoshi Sekido
  • Makito Naoi
  • Kiyoshi Matsueda
  • Koji Kawai
  • Toru Shimazui
  • Hideyuki Akaza
Case Report

DOI: 10.1007/s10147-007-0700-z

Cite this article as:
Takaoka, EI., Sekido, N., Naoi, M. et al. Int J Clin Oncol (2008) 13: 166. doi:10.1007/s10147-007-0700-z

Abstract

A 69-year-old man was hospitalized for treatment of a left renal tumor. The tumor had originally been demonstrated as a simple renal cyst 4 years before. However, the size of the tumor decreased, and at the time of hospitalization, the tumor showed a solid, papillary component that was enhanced by contrast medium on computed tomography (CT) and had high signal intensity on T2-weighted magnetic resonance imaging (MRI). We diagnosed this tumor as a cystic renal cell carcinoma of the left kidney, cT1aN0M0, arising from the epithelium of a renal cyst, and performed a left partial nephrectomy. The pathological diagnosis was cavernous hemangioma of the left kidney. Generally, it is difficult to diagnose a cavernous hemangioma of the kidney preoperatively. This case is unusual because the configuration of this tumor changed within a few years. When we find a renal cyst with a solid component, renal cavernous hemangioma arising from the cyst wall should be considered in the differential diagnosis, and a conservative surgical approach should be considered.

Key words

Cavernous hemangioma Kidney 

Copyright information

© Japan Society of Clinical Oncology 2008

Authors and Affiliations

  • Ei-Ichiro Takaoka
    • 1
  • Noritoshi Sekido
    • 1
  • Makito Naoi
    • 1
  • Kiyoshi Matsueda
    • 2
  • Koji Kawai
    • 1
  • Toru Shimazui
    • 1
  • Hideyuki Akaza
    • 1
  1. 1.Department of UrologyInstitute of Clinical MedicineIbaragiJapan
  2. 2.Department of Radiology, Institute of Clinical MedicineUniversity of TsukubaIbaragiJapan