Histopathologically, the surgical specimen showed cavernous hemangioma. 組織病理學(xué)檢查發(fā)現該腫塊為海綿狀血管瘤。
MRI identified a pontomedullary hemorrhage on the left side resulting from cavernous hemangioma with venous malformation. 經(jīng)磁振掃描證實(shí)為,左側橋腦延腦交界處有海綿狀血管瘤出血合并血管畸形。