坏死

gǔ huài sǐ

骨坏死

necrosis of bone

jú bù huài sǐ

局部坏死

local necrosis

tā men děi wèi nǐ kāi dāo qiē chú huài sǐ de gǔ tou

他们得为你开刀切除坏死的骨头。

They shall have to open you up and remove the diseased bone.