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KMID : 1024020210510040455
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Imaging Science in Dentistry
2021 Volume.51 No. 4 p.455 ~ p.460
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An unusual presentation of osteoblastoma of the maxilla: A case report
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Lim Joon-Bum
Hinchy Nicole
Odingo Nora
Colosi Dan
Mahdian Mina
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Abstract
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This report presents a rare case of maxillary osteoblastoma in a 17-year-old female. The patient presented with dull pain and facial asymmetry inferior to the left zygoma. An intraoral examination found a painless swelling on the buccal gingival tissue in the left posterior maxilla. Panoramic radiographs and multidetector computed tomographic images revealed an ill-defined, non-corticated, mixed attenuating entity of osseous density located within the left posterior maxilla apical to the left maxillary molars. The entity exhibited a heterogeneous internal structure with a fine granular appearance, and the periphery showed a partial hypo-attenuating rim along the antero-medial aspect. Expansion of the left posterior maxilla accompanied with displacement of the left maxillary sinus floor was noted. External root resorption of the first and second molars was noted, as well as postero-superior displacement of the third molar. The histopathologic diagnosis of the biopsy was osteoblastoma. Complete excision of the tumor was performed.
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KEYWORD
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Osteoblastoma, Maxilla, Multidetector Computed Tomography, Radiography, Panoramic
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