RESUMO
Objective Meningiomas in the trigone of the lateral ventricle are characterized by deep location and low inci-dence. A few studies have been done on its treatment at home and abroad. This study was to explore the access,techniques,and clini-cal effect of microsurgery for lateral ventricular trigone meningiomas (LVTM). Methods We retrospectively analyzed the clinical data about 36 cases of LVTM treated by microsurgery in our hospital from December 2011 to December 2015. The operation involved lumbar cistern tube drainage, intraoperative drainage of cerebrospinal fluid, a unilateral parieto-occipital U-shaped cut, approach through the interparietal fissure,a sagittal incision about 3 cm long at the interparietal fissure for exposure and resection of the tumor. We followed up the patients for a mean of 17 months postoperatively and analyzed the results and complications. Results Simpson grade I removal of the tumors was achieved in all the 36 cases. Postoperative complications included homonymous hemianopia in 4 cases, central nervous system infections in 3,secondary epilepsy in 2,subcutaneous hydrops in 2,and intratumoral hemorrhage in 1 (which necessitated a second operation). Extended temporal horn of the right lateral ventricle occurred at 32 months after surgery,which was treated by fistulation. Homonymous hemianopia was improved in 2 of the 4 ca-ses. All the patients were capable of daily life activities and none experienced recurrence. Conclusion Sufficient preoperative evalu-ation of the tumor characteristics,rational selection of surgical approach,and expert operation techniques are the key factors for the mi-crosurgical treatment of meningiomas in the trigone of the lateral ventricle.
RESUMO
<p><b>OBJECTIVE</b>To analyze and summarize the clinical and pathological characteristics of intracranial haemangioblastoma and to improve surgery effect.</p><p><b>METHOD</b>Seventy-two patients with intracranial haemangioblastoma who were proven by operation and pathology from 1970 to 1988 were analyzed retrospectively.</p><p><b>RESULTS</b>Intracranial haemangioblastoma tends to occur in the hemisphere of cerebellum (83 tumours, 87%) and the age of them ranged from 20 to 40 years (47 cases, 58.3%) mostly. The ratio of men (46 cases) was higher than women (26 cases). The diagnosis of the disease depends on CT and MR substantive haemangioblastoma. The most effective and reliable treatment of intracranial haemangioblastoma is surgical resection.</p><p><b>CONCLUSION</b>Intracranial haemangioblastoma is benign tumour which can be, cured by total surgical resection. The key recurrence factors include the young age of initial onset, mistaken exploration and incomplete extirpation of tumour.</p>