Imaging diagnosis of bone eosinophilic granuloma

Objective To discuss the imaging features of bone eosinophilic granuloma.Methods X-ray,CT and MRI manifestations of 10 patients with bone eosinophilic granuloma confirmed by pathology after operation were reviewed retrospectively.All 10 patients underwent CT examination,3 underwent X-ray examination,5 underwent MR examination,4 of them underwent enhanced MR examination.Results Single lesion was found in 8 patients and multiple lesions were in 2.Craniofacial involvement was observed in 4 cases,long bone involvement in 3(humerus in 1,tibia in 1,femur in 1),iliac bone in 2,clavicle in 2,vertebral body in 1,scapula in 1 case.The radiographic characteristics of the lesions appeared different according to the location.Common radiographic findings included serious bone destruction and soft tissue mass with clear edge without hardening.Conclusion Integrated imaging can display the lesions of eosinophilic granuloma,the involvement scope and characteristics,therefore contributing to the diagnosis and differential diagnosis.