It is further helpful to classify aneurysms into saccular and fusiform . 更為實用的是把動脈瘤分成囊形和梭形兩類。
We initially diagnosed it as a saccular hemangioma , but it was finally diagnosed as an epidermoid cyst with foreign body reaction from the surgical specimen 起初診斷為囊狀血管瘤,但手術(shù)后病理檢查結(jié)果為表皮樣囊腫合并破裂及異物反應。