J Korean Soc Magn Reson Med.  2011 Apr;15(1):72-76. 10.13104/jksmrm.2011.15.1.72.

Solitary Fibrous Tumor of the Ischiorectal Fossa : CT and MRI Findings

Affiliations
  • 1Department of Radiology, College of Medicine, Korea University, Korea. sahcha@kumc.or.kr

Abstract

Solitary fibrous tumor (SFT) is a rare neoplasm, which is usually presented as a pleural based mass, but can also occur in unusual locations based on its mesenchymal origin. However, the radiologic features of SFT occurred in the ischiorectal fossa have been rarely reported. In this case, we describe the MRI findings in a case of a SFT involving the ischiorectal fossa of a 36-year-old man. The tumor appeared as homogeneous iso-signal intensity relative to the adjacent muscle on T1 weighted images, a mixed high signal intensity on the T2 weighted images, and heterogeneous enhancement following the administration of the contrast material.

Keyword

Solitary fibrous tumor; Ischiorectal fossa; Magnetic resonance imaging (MRI); Computed tomography (CT)

MeSH Terms

Adult
Humans
Muscles
Solitary Fibrous Tumors
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