sigmoid s 中文意思是什麼
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Super - posterior semicircular canal resection s scope is wider than posterior semicircular canal resection and could treat internal acoustic meats lesions too. conclusion : we get the scope of the two different incisions of duramater. study the effect of the sigmoid sinus, jugular bulb and cerebellopontine angle area to retrolabyrinthine approach surgery
后、上半規管切除在外半規管以下所得范圍同後半規管切除相似,在外半規管平面以上可以有一較大的暴露范圍,可以一直暴露到內聽道口,甚至可以暴露內聽道的全程,因此可以在直視下處理內聽道內的病變。 -
Methods : the anatomic relationship between the cross point ( a ) of the sigmoid and the transverse sinus and the asterion ( s ), the cross point of the perpendicular and the horizontal ( b ) and point of the fissure of the occipital - mastoid at the fundus of the mastoid ( c ) were determined. then the length of a - s and b - c were measured. results : ( 1 ) the a point was lateral and inferior to the asterion, 10. 8 + 1. 1 mm on horizontal plane, 3. 5 + 0. 7mm on the longitude plane
方法:確定橫竇和乙狀竇的交界內下緣比點)和星點(枕乳縫和人字縫交叉點, s點)的解剖關系;乙狀竇垂直部和水平部交匯處內下緣舊點)和枕乳縫乳突基底水平處點)的關系。測量as和b c點的距離。結果: l橫竇和乙狀竇交點的位於星點外下方,橫斷面上,平均距離為10
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