Abstract
Objective To have a intimate knowledge of the anatomy of middle cerebral artery(MCA)and insula,to explore the relationship between insular glioma and MCA surgery.Method Dissection and relative measurement were performed in the insular region of 10 adult cadaveric heads(20 hemispheres).Results The MCA's M2 looked like ablood vessel wall,overlaying on the insula.The timinal short performing arteries arose from the M2 segments supplied only the insula,however,the long perforating arteries on the posterior part of the insula,coursed towards the post angle of the insula,and entered the corona radiate.The most lateral lenticulostriate artery(LSAs),an important landmark in insular surgery,arose 15.68 mm from the apex of the insala and penetrated the anterior perforated substance 15.42 mm medial to the limen insulae.Conclusions To have a intimate knowledge of the anatomy of the MCA,make for the resection of the insular glioma,and reduce the complication caused by the injury of arteries. Key words: Middle cerebral artery; Insula; Glioma; Dissection
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