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Atypical multiple benign osteoblastomas accompanied by simple bone cysts. A case report.

Y Asada1, I Suzuki, M Suzuki

  • 1First Dept. of Oral and Maxillofacial Surgery, School of Dentistry, Niigita University, Japan.

Journal of Cranio-Maxillo-Facial Surgery : Official Publication of the European Association for Cranio-Maxillo-Facial Surgery
|May 1, 1991
PubMed
Summary

This case study describes atypical benign osteoblastomas in a woman's jaw, associated with simple bone cysts. These rare tumors presented as semi-radiolucent lesions requiring histological analysis for diagnosis.

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Area of Science:

  • Oral and Maxillofacial Pathology
  • Skeletal Biology
  • Oncology

Background:

  • Benign osteoblastomas are rare bone tumors, typically presenting as solitary lesions.
  • Multiple site occurrences and associations with simple bone cysts are unusual presentations.

Observation:

  • A 38-year-old woman presented with multiple atypical benign osteoblastomas in the maxilla and mandible.
  • Radiographs revealed hazy, ground-glass-like semiradiolucent lesions with variable margins.
  • Histopathology showed proliferation of osteoblast-like cells forming immature bone and osteoid, alongside simple bone cysts.

Findings:

  • The study details the histological and radiological characteristics of these atypical benign osteoblastomas.
  • The co-occurrence of benign osteoblastomas and simple bone cysts in the jaws is documented.

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  • The microscopic features of the osteoblast-like cells and associated cystic lesions are described.

    • Implications:

    • This case expands the understanding of benign osteoblastoma presentation and behavior.
    • It highlights the importance of thorough histological examination for accurate diagnosis of jaw lesions.
    • Further research into the pathogenesis of multifocal osteoblastomas and their association with bone cysts is warranted.