A.“T”形、“Y”形或嵌壓骨折線(xiàn) B.塌陷或星狀骨折線(xiàn) C.壓縮變形 D.橫行、縱行、斜行、螺旋形或粉碎性等 E.不規(guī)則形
A.發(fā)展迅速,從關(guān)節(jié)承重面開(kāi)始,骨質(zhì)缺損與正常骨質(zhì)分界不清 B.發(fā)展緩慢,從關(guān)節(jié)承重面開(kāi)始,骨質(zhì)缺損與正常骨質(zhì)分界不清 C.發(fā)展緩慢,從關(guān)節(jié)邊緣開(kāi)始,有蟲(chóng)蝕狀骨質(zhì)破壞 D.發(fā)展緩慢,從關(guān)節(jié)邊緣開(kāi)始,為穿鑿樣破壞,常累及多個(gè)關(guān)節(jié) E.發(fā)展迅速,從關(guān)節(jié)邊緣開(kāi)始,為穿鑿樣破壞,常累及多個(gè)關(guān)節(jié)