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KMID : 0355620160420040209
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Journal of Korean Association of Oral and Maxillofacial Surgeons
2016 Volume.42 No. 4 p.209 ~ p.214
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Bony window approach for a traumatic bone cyst on the mandibular condyle: a case report with long-term follow-up
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Kim Hyoung-Keun
Lim Jae-Hyung
Huh Jong-Ki
Jeon Kug-Jin
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Abstract
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Traumatic bone cyst (TBC) occurs preferentially on the mandibular symphysis and body, but rarely on the mandibular condyle. When TBC occurs in the condylar area, it can usually be related with or misdiagnosed as a temporomandibular joint disorder. A 15-year-old female patient visited the Temporomandibular Joint Clinic with a 5-year history of pain and noise localized in the left temporomandibular joint. On imaging, a well demarked ovalshaped radiolucent lesion was observed on the left condyle head. The patient underwent cyst enucleation and repositioning of the bony window on the lateral cortex of the affected condyle head under the impression of subchondral cyst or TBC; however, no cystic membrane was found. The bone defect resolved and showed no recurrence on the serial radiographic postoperative follow-up for 43 months after surgery.
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KEYWORD
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Traumatic bone cyst, Simple bone cyst, Aneurysmal bone cyst, Mandibular condyle, Temporomandibular joint
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