Diagnosis and microsurgical treatment of posterior fossa hemangioblastoma
Feng Chunguo, Wang Xiaojian, Wang Weihong,et al Department of Neurosurgery ,the First Affiliated Hospital of Anhui Medical Univisity ,Hefei 230022
Objective To study the diagnosis and microsurgical treatment of posterior fossa hemangioblastoma. Methods The clinical data of 73 patients with posterior fossa hemangioblastoma from October 1995 to December 2005 were retroperativly analysed. The clinical data includes clinical features ,neuroimaging ,diagnosis ,and operative waining events of the hemangioblastoma. All cases were treated by microsurgery and verified by pathology.Results The tumors occurred mainly in patients between 20 to 45 years of age,most tumors were in hemisphere of cerebellum. The tumors of 68 patients were totally removed; 8 patients were died with 4 cases in medullary, 3 cases invermis ,and 1 in hemisphere of cerebellum. 2tumors were recurrent 3 and 5 years later after operation. Conclusion CT and MRI is necessary for diagnosis. The fellow phemomena is thecharacteristic of neuroimaging of most tumor: a great cystic areas with the a small solid mural nodule ,the small solid mural nodule usually is enhanced after injection of contrast media ,while the area of the cystic may not be enhanced .It is dangerous to remove the solid tumor or the tumor in medullary.