Brain Tumor Res Treat.  2015 Oct;3(2):127-131. 10.14791/btrt.2015.3.2.127.

Solitary Fibrous Tumor of Central Nervous System: A Case Report

  • 1Department of Neurosurgery, National Health Insurance Service Ilsan Hospital, Goyang, Korea.
  • 2Department of Radiology, National Health Insurance Service Ilsan Hospital, Goyang, Korea.
  • 3Department of Pathology, National Health Insurance Service Ilsan Hospital, Goyang, Korea.


Solitary fibrous tumor (SFT) is a rare neoplasm of mesenchymal origin, especially in the central nervous system (CNS). Reported herein is a case of SFT of CNS in a 63-year-old female patient who had confused mentality, without other neurological deficit. The brain MRI showed an ovoid mass in the right frontal lobe. The tumor was surgically removed grossly and totally, and the pathologic diagnosis was SFT. At 55 months after the surgery, the tumor recurred at the primary site and at an adjacent area. A second operation was thus done, and the tumor was again surgically removed grossly and totally. The pathologic diagnosis was the same as the previous, but the Ki-67 index was elevated. Ten months later, two small recurring tumors in the right frontal skull base were found in the follow-up MRI. It was decided that radiation therapy be done, and MRI was done again 3 months later. In the follow-up MRI, the size of the recurring mass was found to have decreased, and the patient did not manifest any significant symptom. Follow-up will again be done 18 months after the second surgery.


Solitary fibrous tumors; Central nervous system
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