Surgical Removal of Craniopharyngioma via Frontobasal Interhemispheric Translamina Terminalis Approach

Abstract

Technical standards and way to av ぐ )id surgical c 〔 )mplications for microsur 暮 ical resection of craniopharyn ． gioma via frontobasaI interhemispheric translamina terminalis approach are described ． This approach ellsures a wider operative field with better surgicaI ( ) rientation and views ( 》 f vital struct し lres、 such as the optic nerves and the chiasma ， perforating al ・ teries fl ・ om the internal car 〔 ｝ tid arteries ， and the la亡eral walls of the third ve 飢 ricle ． Whereas ， incidences of post〔りperative infection ， anosmia ， and hemorrhagic infarction of the medial aspect of tlle frontal lobes had been reported higher than thQse of the Qther convcntional aPproaclles ． Technical details to avoid these complicatiolls are as follo 、vs ， Opencd fmntal air ce ］ ］should be packed alld covered witll the periosteal flap ． Both olfactory nerves should be sepal ・ ated free from the bott〔 ，rn of the fr( )ntal lobes， Anteri 〔 ，r part 〔，f the falx should be cut and large frontal ascending 、 ・ eins should be dissected widely t〔， minin ユize the traction force b ン ・ retraction ． Keg worzlL9 ：cl − aniopharyllgioma 、 lamina terminalis ， colnplicati 〔 m Jpn J Neurosu1 ・ 9 ( Tokyo