Clinical analysis of aneurysmal bone cyst in jaw bone

Objective To investigate aneurysmal bone cyst (ABC) in oral and maxillofacial of clinical appearance, clinical treatment and prognosis. Methods From July 2003 to December 2015, 8 patients with aneurysmal bone cyst in jaw bone was treated and recorded with the general condition, clinical symptoms, imaging examinations, surgical treatment and prognosis. Results Among the 8 patients, there were 5 females and 3 males with the age from 5 to 48 years old. 5 cases happened in mandibular bone and 3 cases originated from the maxillary bone. All the patients were primary lesions and diagnosed by pathology. CT scan showed multilocular cystic expansive space occupying lesions, sep⁃ ta, residual bone crest and liquid⁃liquid form; enhanced imaging showed the tortuous and dilated small blood vessels. Cystic wall composed of spindle shaped fiber cells, tissues and cells, broken bone like multinucleated giant cells and chronic inflammatory cells form and a ribbon like structure, cysts separated by fibrous tissue containing bo