【摘要】：目的 :探討中樞神經(jīng)系統(tǒng)血管外皮細(xì)胞瘤(hemangiopericytoma,HPC)的MRI特征表現(xiàn)以及臨床治療方法 。方法:收集本院經(jīng)手術(shù)病理確診的16例中樞神經(jīng)系統(tǒng)血管外皮細(xì)胞瘤患者資料,回顧性分析其MRI表現(xiàn)、病理特征、臨床治療及預(yù)后。結(jié)果:16例腫瘤均位于顱內(nèi)腦外,MRI顯示腫瘤大多呈分葉狀,T_1呈等或稍低信號(hào),T_2呈稍高信號(hào),腫塊內(nèi)可見囊變壞死及迂曲血管影;腫瘤血供豐富,增強(qiáng)掃描后明顯強(qiáng)化,多數(shù)與靜脈竇關(guān)系密切,“腦膜尾征”少見。所有病例均行手術(shù)治療,6例患者術(shù)后行放射治療。14例患者隨訪3~140個(gè)月,6例局部復(fù)發(fā),其中1例同時(shí)發(fā)生遠(yuǎn)處轉(zhuǎn)移。結(jié)論:中樞神經(jīng)系統(tǒng)血管外皮細(xì)胞瘤的MRI表現(xiàn)有一定特征性,有助于提高其術(shù)前診斷的準(zhǔn)確性。手術(shù)切除是HPC的最佳治療方法 ,術(shù)后輔以放射治療可改善預(yù)后。
[Abstract]:Objective: to investigate the MRI features and clinical treatment of hemangiopericytoma (hemangiopericytoma,HPC) of the central nervous system. Methods: the data of 16 patients with angiopericytoma of the central nervous system confirmed by operation and pathology were collected and their MRI features, pathological features, clinical treatment and prognosis were analyzed retrospectively. Results: all the 16 tumors were located outside the brain. MRI showed that most of the tumors were lobulated, the signal intensity of T _ (1) was equal or slightly low, the signal of T _ 2 was slightly high, and the cystic necrosis and tortuous vascular shadow could be seen in the tumor. The blood supply of the tumor was abundant and enhanced obviously after enhanced scan, most of them were closely related to the venous sinus, and meningeal caudal sign was rare. All cases were treated by operation, 6 cases were treated by radiotherapy, 14 cases were followed up for 3 ~ 140 months, 6 cases had local recurrence, and 1 case had distant metastasis. Conclusion: the MRI findings of central nervous system hemangiopericytoma are characteristic and helpful to improve the accuracy of preoperative diagnosis. Surgical resection is the best treatment for HPC. Postoperative radiotherapy can improve the prognosis.
【作者單位】： 南京醫(yī)科大學(xué)第一附屬醫(yī)院神經(jīng)外科;南京醫(yī)科大學(xué)第一附屬醫(yī)院放射科;
【分類號(hào)】：R739.41

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