英语语法分析

The cure rate of ROJ was 92% by extensive resection of sequestrum.

行死骨扩大切除术，放射性颌骨骨髓炎的治愈率可达92%。

This can be associated with a sequestrum sometimes, which helps distinguish this from osteosarcoma.

有时病灶内可见死骨片，有助于与骨肉瘤鉴别。

Objective To study the effect of intervention, core decompression, sequestrum evacuation and bone grafting for the treatment of femoral head avascular necrosis.

目的探讨介入和髓芯减压、坏死区域掏空植骨治疗股骨头缺血性坏死的疗效。