颅内血管周细胞瘤的影像学特点及显微外科手术治疗

目的探讨颅内血管周细胞瘤(HPC)的影像学特点及显微外科手术方法。方法回顾性分析显微外科手术治疗的26例颅内HPC患者的临床资料;包括影像学检查、手术方法及手术疗效。结果16例颅内HPC患者术前影像学诊断与术后病理诊断一致,6例患者术前被误诊为脑膜瘤,4例患者误诊为血管母细胞瘤。手术效果:肿瘤全切除者17例,次全切除5例,部分切除4例,无死亡患者。全部患者术后均行局部放疗。术后随访6~42个月,3例患者肿瘤复发。结论颅内HPC的影像学表现具有一定特点,仔细分析其影像学特点可提高术前诊断率。根据肿瘤的影像学表现制定手术方案,以及娴熟的显微外科技术,术中控制好出血,是提高颅内HPC全切除率和提高手术疗效的关键。

Imaging features and microsurgery of intracranial hemangiopericytoma

Objective To explore the imaging features and microsurgical techniques of intracranial hemangiopericytoma(HPC).Methods The clinical data of 26 patients with intracranial HPC,who underwent microsurgery,including imaging features,microsurgical techniques and curative effect were analyzed retrospectively.Results Preoperative imaging diagnosis of 16 patients with intractranial HPC were consistent with postoperative pathological diagnosis.6 patients were misdiagnosed as meningioma,and were misdiagnosed as hemangioblastoma.Total resection of tumors were achieved in 17 cases,greatly partial in 5 and partial in 4.No patient died.All patients received local radiotherapy after operation.The patients were followed up for 6 to 42 months.HPC recurrence were found in 3 patients.Conclusions The imaging findings of intracranial HPC has certain features.Analysis of the imaging features can improve preoperative diagnostic rate of intracranial HPC.Making operation plan according to imaging manifestations of HPC,skillful microsurgical techniques and controlling the bleeding during the operation are keys to improve total resection rate of tumors and curative effect of microsuregery of intracranial HPC.