J Korean Soc Radiol.  2009 May;60(5):291-295. 10.3348/jksr.2009.60.5.291.

CT and MR Imaging Findings of a Granular Cell Tumor of the Orbit: Report of Two Cases

Affiliations
  • 1Department of Radiology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea. hyungkim@skku.edu
  • 2Department of Ophthalmology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.
  • 3Department of Pathology, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea.

Abstract

We report the computed tomography (CT) and magnetic resonance (MR) imaging findings for two cases of granular cell tumors located in the orbit, a rare benign tumor of neural origin, occurring in a 14-year-old boy and a 35-year-old woman. Although rare, granular cell tumors may be one of the diagnostic inclusions for soft tissue masses of the orbit, especially when the mass shows isointensity in relation to the extraocular muscle on T2-weighted MR images and a homogeneous moderate enhancement, similar to the extraocular muscles, with a greater peripheral enhancement on contrastenhanced T1-weighted MR images.


MeSH Terms

Adolescent
Adult
Female
Granular Cell Tumor
Humans
Magnetic Resonance Spectroscopy
Muscles
Orbit
Orbital Neoplasms
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