摘要
鞍上与鞍旁区脑膜瘤显微手术３８例，在手术显微镜下直接观察肿瘤的供血，发现颈内动脉（ＩＣＡ）系为肿瘤的主要供血来源。除岩斜坡－蝶区脑膜瘤２例外，按对肿瘤供血动脉的直接观察与电凝脑膜中动脉（ＭＭＡ）后肿瘤的血运状况，将其供血分四型：颈外动脉（ＥＣＡ）为主型例；ＩＣＡ－ＥＣＡ供血相当型６例；ＩＣＡ为主型１９例；ＩＣＡ单独供血型９例。肿瘤发生部愈近中线，ＩＣＡ供血趋势愈明显。ＥＣＡ主要供血者少见，并只见于鞍旁型脑膜瘤。
Theauthorsoperatedon38casesofparaselar(n=25)andsupraselar(n=13)meningiomasusingmicrosurgicaltechnic,andfoundthatthebloodsupplytothetumorswasmainlyfromtheinternalcarotidarteries(ICAs).Accordingtodirectobservationofthefeedingarterialoriginsunderoperativemicroscopeandthetumorvascularityaftercoagulationofthemiddlemeningealarteryoritsbranches,theirbloodsupplycouldbedividedinto4typesexcept2casesofsphenopetroclivalmenin-giomas:TypeI,thebloodwasdominantlyfromexternalcarotidartery(ECA)in2cases(5.6%);TypeⅡ,thebloodfromeitherECAorICAwasroughlyequalin6cases(16.7%);TypeⅢ,theblooddominantlyfromICAin19cases(52.8%);TypeIV,thebloodfromICAalonein9cases(25%).Thecloserthemeningiomawaslocatedtothemidline,themorepredominantthebloodsupplyfromtheICAwas.ThebloodsupplydominantlycomingfromECAwasobservedonlyinparaselarmeningiomas.
出处
《中华神经外科杂志》
CSCD
北大核心
1996年第5期289-291,共3页
Chinese Journal of Neurosurgery
关键词
脑膜瘤
鞍区
血液供给
MeningiomaSelarregionBloodsupply
