Combined Surgical Approach to Intracranial and Extracranial Hemangiopericytoma: Case Report and Literature Review

Background Hemangiopericytomas (HPCs) are uncommon soft tissue tumors. HPCs that grow in the cranial base are rare. Therefore, skull-base surgeons tend to overlook this disease. This study aimed to increase the awareness of HPCs by summarizing case data from our institution and related publications. We also aimed to contribute to the number of reported cases for future systematic reviews of HPCs. Methods This study included all patients who underwent surgery for HPC/solitary fibrous tumor (SFT) between August 2015 and August 2019. All surgeries were performed at Xiangya Hospital Central South University. We analyzed clinical characteristics, surgical highlights, treatment modalities, and outcomes. Results We included six patients, aged 32–64 years. Lesions were located in the parapharyngeal space in three patients, pterygopalatine fossa in two, and saddle area in one. All patients underwent nasal endoscopic endonasal surgery. In five patients, tumors involved the internal carotid artery (ICA). The exposure and protection of the ICA during surgery are challenging but critical to complete tumor removal. The 3-year overall survival(OS) rate was 66.7%. Conclusions HPC/SFTs are rare tumors of the cranial base that are prone to recurrence. Cranial base HPC/SFTs are often closely associated with the ICA. To our knowledge, this case series reports the largest number of cases of HPCs associated with the ICA. We believe that there is a strong relationship between patient prognosis and whether the tumor encircles the ICA and whether the tumor is completely resected. To confirm this suggestion, more cases are needed for further analysis.

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Hemangiopericytoma/solitary fibrous tumor of the cranial base: a case series and literature review

Peng

Wang

et al. 2022

BMC Surg

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Combined Surgical Approach to Intracranial and Extracranial Hemangiopericytoma: Case Report and Literature Review

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Hemangiopericytoma/solitary fibrous tumor of the cranial base: a case series and literature review

Hemangiopericytoma/solitary fibrous tumor of the cranial base: a case series and literature review

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