MR Imaging of Neurilemoma Arising from the Renal Hilus

Authors:
  • TYTeruo Yamahana
    Teruo Yamahana
  • SHShoji Hirano
    Shoji Hirano
  • SKShoichi Kawaguchi
    Shoichi Kawaguchi
  • IMIkuo Mikawa
    Ikuo Mikawa
  • SMShinji Masuda
    Shinji Masuda
  • MKMasumi Kadoya
    Masumi Kadoya
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Abstract
The authors present the radiologic findings of a neurilemoma arising from the kidney. Ultrasound, CT, and angiography could not exclude the diagnosis of renal cell carcinoma (RCC). Magnetic resonance (MR) imaging at 1.5 T showed an isointense tumor on T1-weighted images and a high signal intensity on T2-weighted images compared with normal renal parenchyma. The MR findings were helpful in the differentiation from RCC.