• Guilu He, Yehai Li, Jianhao Lin, Xiuming Zhou, Jing Ye, Fobao Huang, Ruirui Yun, Qiao Li, and Liang Zhang.
• Guangdong Sanjiu Brain Hospital, Guangzhou City, Guangdong Province, P.R. China.
• World Neurosurg. 2020 Nov 1; 143: 168-170.

BackgroundIntracranial solitary fibrous tumor (SFT)/hemangiopericytoma (HPC) is rare. In this report, a case of epidural hematoma (EDH) that eventually evolved into SFT/HPC is presented. We describe the possible association between the 2 diseases, which has not been previously reported.Case DescriptionA 40-year-old man suffered from an EDH in the right parietal area 12 years ago and accepted conservative treatment. Follow-up computed tomography (CT) scan shows that the density of the right EDH gradually changed from uniform slightly lower density to mixed density. A new CT scan revealed an epidural mass extending to the subcutaneous with local bone destruction. An operation was performed via a large right parietal craniotomy, and the final diagnosis was World Health Organization grade III SFT/HPC after histopathologic examination and immunohistochemical verification. The patient died of deterioration of brain disease 3 months after the final diagnosis.ConclusionsTo our knowledge, this is the first report that HPC occurred in the epidural cavity. We are the first time to describe the possible association between EDH and HPC.Copyright © 2020 Elsevier Inc. All rights reserved.

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