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Vol. XXXIV, No. 3 (September 2020)

An uncommon intracranial malign tumour which was misdiagnosed as Glioblastoma multiforme: Hemangiopericytoma



Background. Hemangiopericytoma (HPC) which is mostly located at the lower extremity and visceral organs was found extremely rare in the central nervous system. Radiological images are not enough to differentiate HPC from other CNS tumours.  The case was analyzed to determine presurgical features for diagnosis and the challenges during surgery.

Case. A 65-year-old male patient with headache was diagnosed as Glioblastoma Multiforme (GBM) considering the image findings. However, the intraoperative macroscopic shape and tendency to bleeding were not relevant to the GBM. The mass was reported as Hemangiopericytoma which is a malign tumour, originates from pericapillary bodies of veins, and commonly locates out of the CNS.

Conclusion. Even in advanced age and radiologically considered high-grade glial tumours, HPC should be considered in the differential diagnosis for preoperative preparation.