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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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±èÇü±Ù, ÀÓÀçÇü, ÇãÁ¾±â, Àü±¹Áø,
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±èÇü±Ù ( Kim Hyoung-Keun ) - Yonsei University College of Dentistry Gangnam Severance Hospital Department of Oral and Maxillofacial Surgery
ÀÓÀçÇü ( Lim Jae-Hyung ) - Korea University Ansan Hospital Department of Dentistry
ÇãÁ¾±â ( Huh Jong-Ki ) - Yonsei University College of Dentistry Gangnam Severance Hospital Department of Oral and Maxillofacial Surgery
Àü±¹Áø ( Jeon Kug-Jin ) - Yonsei University College of Dentistry Yongin Severance Hospital Department of Oral and Maxillofacial Radiology

Abstract


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.

Å°¿öµå

Traumatic bone cyst; Simple bone cyst; Aneurysmal bone cyst; Mandibular condyle; Temporomandibular joint

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