Osteoblastoma and Osteoid Osteoma of the Mandible: Review of the Literature and Report of Two Cases

Osteoblastoma and osteoid osteoma are rare benign neoplasms of the jaws. We reviewed current literature surrounding the ongoing debate over similarities and differences of osteoblastoma and osteoid osteoma and present two cases. Both cases are well-demarcated mixed radiodensity mandibular lesions wi...

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Bibliographic Details
Published in:Case reports in dentistry 2022-03, Vol.2022, p.7623855-11
Main Authors: Ellingsen, Taylor, Nalley, Andrew, Oda, Dolphine, Dodson, Thomas B., Lee, Peggy P.
Format: Article
Language:English
Subjects:
Apposition
Biopsy
Bone cancer
Case Report
Case reports
Computed tomography
Connective tissue
Edema
Lesions
Literature reviews
Mandible
Masseter muscle
Neoplasia
Nonsteroidal anti-inflammatory drugs
Osteoblastoma
Osteoid
Osteoid osteoma
Osteoma
Pain
Tumors
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Summary:Osteoblastoma and osteoid osteoma are rare benign neoplasms of the jaws. We reviewed current literature surrounding the ongoing debate over similarities and differences of osteoblastoma and osteoid osteoma and present two cases. Both cases are well-demarcated mixed radiodensity mandibular lesions with histological features of osteoblastoma. They exhibit, however, distinctly unique and contrasting clinical and imaging characteristics suggesting that the first case is osteoblastoma and the second is osteoid osteoma. The first case of a 37-year-old male presents with a large, expansile lesion at posterior mandible, surrounded by a thick sclerotic band. Unusual features include significant buccal/lingual expansion, extensive new bone apposition, and soft tissue edema in the masseter muscle. This is in contrast to the second case of a much smaller lesion in a 17-year-old male with history of recent third molar extraction in the left posterior mandible. In this case, CT imaging revealed a circular, nonexpansile lesion with a sclerotic border surrounded by a radiolucent rim. Both patients underwent surgical excision of the lesion with extraction of the adjacent tooth. We discuss herein the distinct clinical and imaging features.
ISSN:2090-6447
2090-6455
DOI:10.1155/2022/7623855