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Mandibular odontogenic fibrosarcoma. Case report

W K Chan1, C P Li, J M Liu

  • 1Institute of Biomedical Sciences, Academia Sinica, Taiwan.

Australian Dental Journal
|February 21, 1998
PubMed
Summary
This summary is machine-generated.

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A rare mandibular odontogenic fibroma transformed into odontogenic fibrosarcoma, recurring locally and metastasizing to the lungs eight years post-surgery. Long-term patient follow-up with chest X-rays is crucial.

Area of Science:

  • Oral pathology
  • Surgical oncology
  • Oncologic imaging

Background:

  • Odontogenic fibromas are rare benign tumors originating from odontogenic epithelium and ectomesenchyme.
  • Malignant transformation of odontogenic fibromas to fibrosarcomas is exceptionally rare.
  • This case highlights an unusual progression and metastatic pattern.

Observation:

  • A mandibular odontogenic fibroma presented with malignant transformation to a stage 1A odontogenic fibrosarcoma.
  • The tumor exhibited local recurrence following initial surgical resection.
  • Pulmonary metastases were detected unusually late, eight years after the primary tumor's resection.

Findings:

  • The study documents a rare instance of mandibular odontogenic fibroma progressing to odontogenic fibrosarcoma.

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  • Local recurrence and delayed distant metastasis (pulmonary) were observed.
  • The metastatic event occurred eight years post-surgical management.

    • Implications:

    • Extended and vigilant follow-up is essential for patients with odontogenic fibrosarcoma.
    • Regular chest imaging, such as chest X-rays, should be incorporated into long-term surveillance protocols.
    • This case underscores the importance of monitoring for late-onset metastases in rare odontogenic tumors.