经前纵裂入路对前交通动脉复合体解剖分析

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1、branches，recordingthenumberoftheperforatingarteriesandtheHeubnerarteries.measurethevariousformsandvariationsofthebloodvessels,nerves,bloodvesselsunderthemicroscope.recordedandphotographed.Results:Bytheformerinterhemisphericapproachtoexposureofanteriorcommunicatingarterycomplex,themaximu

2、manglebetweenthelongaxisoftheskullbaseandtheImaginarylinethatcanexposetheanteriorcommunicatingarteryisbetween15.36~28.54°,theshortestdistancefromtheouteredgeoftheskullofthenasionpointtotheanteriorcommunicatingarteryisbetween48.52~58.86mm,thedistancefromtheintersectionpointoftheimaginary

3、linewhichcanrevealtheanteriorcommunicatingarterycomplexandthefrontalpoletothenasionpointof31.48~54.26mm,respectively,mean22.45°,53.35mm,40.23mm,thedataoftheanteriorcommunicatingarterycomplexhasnosignificantdifferencewithwhichhadreportedinreference,nosignificantanatomicalvariation.Conclu

4、sions:thesurgicaloperatonswhichneedtheinterhemisphericapproachespeciallytheoperationsneedtheexposureoftheanteriorcommunicatingarterycomplex,suchastheanteriorcommunicatingarteryandcorpusperipheralarterialaneurysmsurgery,craniopharyngiomalocatedattheanteriorthirdventricleandthepituitarytu

5、morsfaronthetopofthesaddleneedtopayattentiontothesizeofthecraniectomy,themostsuitableangleandthedepthofthesurgicalapproachandthevariationoftheanteriorcommunicatingarterycomplex,this3experimentcanprovidesomeoftheanatomicalbasisdata.KeyWords:interhemisphericapproach；complexoftheanteriorco

6、mmunicatingartery;anatomy4英汉缩略词对照表英文缩英文全称中文全称写ICAInternalcarotidartery颈内动脉ACAAnteriorcerebralartery大脑前动脉ACoAAnteriorcommunicatingartery前交通动脉ACoAAAnteriorcommunicatinganeurysms前交通动脉瘤RAHRecurrentarteryofHeubner回返动脉5前言前交通动脉复合体以前交通动脉为中心，连同双侧大脑前动脉A1段、A2段及Heubner回返动脉及各穿支动脉等结构共同组成，其周围有视神经、嗅神经、

7、动眼神经、下丘脑、海绵窦等重要结构。涉及前交通动脉复合体及其周围重要结构的病变较多，如前交通动脉及胼周动脉动脉瘤、三脑室前部颅咽管瘤、鞍上发展明显顶部较高的垂体瘤及其他肿瘤等。由于前交通动脉复合体处病变位置深在，解剖关系复杂，涉及范围宽，故对于该部位病变手术治疗难度较大。随着显微神经外科技术、影像诊断、手术器械的不断发展，对于前交通动脉复合体显微解剖学研究也越来越引起了人们的重视。涉及前交通动脉复合体及其周围重要结构的病变由于手术治疗难度大，在进行大脑前动脉及胼周动脉动脉瘤夹闭术和鞍区肿瘤切除术时,一旦过多的损伤前交通动脉或其发出的穿支血管,会出现情