骨化性肌炎(myositis ossificans)按解剖学分类有全身性和局限性(骨膜、骨膜周及骨外三种类型);按病因可分为先天性常染色体显性遗传性及后天获得性(肌肉外伤、颅脑外伤、烧伤、冻伤、感染、中毒、癌症及非损伤性等)。外伤性骨化性肌炎病因可能与邻近骨的成骨细胞异位,肌肉有激活的骨膜植入,肌肉内多潜能结缔组织化生或肌腱纤维软骨细胞的化生而形成异位骨有关。 Myositis ossificans according to anatomy classification system and limitations (periosteum, periosteum and bone outside the three types); according to the cause can be divided into congenital autosomal dominant and acquired ( Muscle trauma, craniocerebral trauma, burns, frostbite, infection, poisoning, cancer and non-invasive, etc.). The etiology of traumatic ossification may be related to ectopic bone formation by osteoblast ectopia in adjacent bone, periosteal implant with muscle activation, pluripotent connective tissue in muscle or metaplastic bone in tendon fiber chondrocytes.