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首页> 外文会议>Latin-American Neurosurgery Congress >Microsurgical management of arteriovenous malformation
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Microsurgical management of arteriovenous malformation

机译：动脉畸形的显微外科管理

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Cerebral vascular malformation is a relatively rare pathology and it's prevalence is difficult to estimate since a few number of affected individuals are symptomatic. The arteriovenous malformations (AVMs) are dilated tortuous vessel masses characterized by direct connections between arteries and veins (shunts) without a capillary net interposition. The composition of feeding arteries, draining veins and a nidus constitute an AVM. The arteriovenous shunts, related aneurysms and direct fistulas are usually located in the nidus.The grading system proposed by Spetzler is based on the size, venous drainage and location of the AVM. The system is divided in grade I to V Evandro et al. divided grade III in A, B and C. In grade grade III A the AVMs are superficial, with superficial venous drainage, big in size (more tan 6 cm) and located in non-eloquent areas. In grade II1B the AVMs are on the limbic lobe, corpus callo-suin, paraolfactory gyrus and paratenninal gyms, they are smaller than 3 cm, they have deep venous drainage and they are located in eloquent areas. In grade IIIC the AVMs are smaller than 3 cm, located in insular lobe, are in eloquent areas and have deep venous drainage. We proceed microsurgery for all AVMs grade I, II and IIIB. For lesions classified as IIIA, we purpose ernbolization and surgery. In AVMs grade IIIC we purpose radiosurgery or a conservative treatment and standard surgery in selected cases. For lesions grade IV and V we purpose conservative management and in specific cases a combination of ernbolization, radiosurgery and surgery.
机译：脑血管畸形是一种相对罕见的病理学，因为少数受影响的个体是对症的，因此难以估计难以估计。动静脉畸形（AVM）被扩张的曲折容器肿块，其特征在于动脉和静脉（分流）之间的直接连接而没有毛细血管净介入。饲养动脉，排水和鼻腔的组成构成AVM。动静脉分流器，相关动脉瘤和直接瘘管通常位于NIDUS中。Spetzler提出的分级系统基于尺寸，静脉排水和AVM位置。该系统分为I级至V Edandro等。在A，B和C中分开III级。在等级III级A AVM呈肤浅，具有浅表静脉引流，大小（棕褐色6厘米）大，位于非雄性区域。 II1B级，AVMS在林瓣，胼callo-suin，Paraolfactory gyrus和副辈子健身房，它们小于3厘米，它们具有深刻的静脉排水，它们位于雄性区域。在II级，AVM小于3厘米，位于昆虫叶，位于雄性区域，具有深静脉排水。我们对所有AVM等级I，II和IIIB进行显微外科。对于归类为IIIa的病变，我们目的是ernbolization和手术。在AVM等级IIAC中，我们目的放射外科或选定病例中的保守治疗和标准手术。对于病变级和v We目的保守管理以及特定情况，栓塞，放射外科和手术的组合。

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