sequestrum

CT could clearly demonstrate the extent of bone involved,the destruction of cortex,periosteal reaction,change of soft tissue and sequestrum.

CT对病变范围、皮质、骨膜、软组织改变、死骨及邻近结构受累与否显示更清。

Jaw is reached inside oral cavity facial skin forms most fistula hole, discharge pus for a long time, sometimes but eduction small sequestrum.

内及颌面部皮形成多数瘘孔，脓，有时可出小死骨片。