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楚。
英语百科
Periosteal reaction
A periosteal reaction is the formation of new bone in response to injury or other stimuli of the periosteum surrounding the bone. It is most often identified on X-ray films of the bones.