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《West China Journal of Stomatology》 2014-01
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Analysis of imaging findings in jaw bone islands

Li Na;Wang Hu;Jiang Meng;Xu Laiqing;You Meng;Liu Yuanyuan;Ren Jiayin;Zhao Shuping;State Key Laboratory of Oral Diseases, Dept. of Oral Radiology, West China Hospital of Stomatology, Sichuan University;  
Objective To provide reference data on frequency and distribution of bone islands(BIs) and investigate their relationship with age, gender, and localization. Methods A population who received a pretreatment and at least one followup panoramic radiograph in the Department of Oral Radiology, West China Hospital of Stomatology, Sichuan University, were selected for this retrospective study. A sample population of 29 556 patients(12 824 males and 16 732 females) with different dental complaints and ages ranging from 8 to 80 years(mean age: 23.95 years) were included. Results In the radiographic evaluation, BIs appeared as localized, well-defined, non-expansile, radiopaque masses which were round, elliptic, or irregular in shape. Their sizes varied from a few millimeters to about 2 cm in diameter. A total of 598 radiopacities were detected, and 545 patients of 29 556 patients(1.84%) had BIs. Among subjects with multiple lesions, 49 patients had 2 BIs and 2 patients had 3 BIs. The BIs had immense mandibular predilection, with presentation primarily in the premolar/molar region. The condition appeared to have no tendencies based on sex. Conclusion Recognition of BIs variation is significant in dental examinations.
【CateGory Index】: R782
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1 WEI Jihua,WEI Qingjun,LIU Junting,et al. Department of Traumatic Orthopaedics and Hand Surgery,First Affiliated Hospital, Guangxi Medical University,Nanning,Guangxi Zhuang Autonomous Region 530021,P.R.China;The Diagnosis and Treatment of Progressive Diaphyseal Dysplasia(Report of 2 Case and Literature Review)[J];Journal of Clinical Radiology;2012-06
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