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Radiologic Specific Growth Rate of Ameloblastomas: A Clinicopathological Correlation.

Chané Smit1,2, Liam Robinson1, Marlene B van Heerden1

  • 1Department of Oral and Maxillofacial Pathology, Faculty of Health Sciences, University of Pretoria, Pretoria, South Africa.

Journal of Oral Pathology & Medicine : Official Publication of the International Association of Oral Pathologists and the American Academy of Oral Pathology
|January 31, 2025
PubMed
Summary

This study analyzed ameloblastoma growth rates, finding faster growth in females and lesions with bone destruction. Radiologic features, not demographics or histology, correlated with rapid ameloblastoma expansion.

Keywords:
ameloblastomagrowthhistologyproliferationradiology

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Area of Science:

  • Oral and Maxillofacial Radiology
  • Oncology
  • Pathology

Background:

  • Ameloblastomas are odontogenic tumors with variable growth patterns.
  • Understanding factors influencing ameloblastoma growth is crucial for treatment planning.

Purpose of the Study:

  • To assess the radiologic-specific growth rate of ameloblastomas.
  • To identify associations between growth rate and patient demographics, radiologic features, histopathologic variants, and proliferation indices.

Main Methods:

  • Retrospective analysis of serial radiographs from ameloblastoma patients.
  • Measurement of lesion dimensions (length, height, width, expansion) and circumference.
  • Calculation of radiologic-specific growth rate per year.

Main Results:

  • No significant correlation between growth rate and age, histopathologic variants, or Ki-67.
  • Females showed statistically significant faster mesial-distal growth (p=0.04).
  • Ameloblastomas with loss of border demarcation, cortical destruction, and tooth displacement exhibited significantly faster growth.

Conclusions:

  • Radiologic features, particularly coronal dimensions, are significantly correlated with ameloblastoma growth rate.
  • Findings support the known buccal-lingual expansion pattern of ameloblastomas.
  • Certain radiologic indicators may predict aggressive ameloblastoma behavior.