1·Periosteal reaction was usually absent but soft tissue swelling commonly occurred.
一般无骨膜反应，但可有软组织肿块。
2·A periosteal reaction is notably absent unless there is an associated pathologic fracture.
通常没有骨膜反应，除非伴有自发性骨折。
3·The problems of bony spiculas, periosteal reaction and cortical bone erosion were discussed.
还讨论了骨针、骨膜反应、骨皮质破坏等问题。
4·On the contrary, primary malignant maxillary tumor showed invasive growth, irregular bony destruction with massive bony or chondral tumor, periosteal reaction and soft tissue mass.
相反原发性上颌骨恶性肿瘤则呈浸润性生长，骨质不规则破坏，大量瘤骨或瘤软骨形成、骨膜反应和软组织肿块等。