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[Pathologic-anatomic characteristics of benign bone tumors]

G Jundt1

  • 1Knochentumor-Referenzzentrum, Universität Basel.

Der Orthopade
|February 1, 1995
PubMed
Summary

Benign bone tumors in children and adolescents can be challenging to diagnose due to subtle symptoms. This study details various benign bone tumor types common in younger individuals, highlighting diagnostic considerations.

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Area of Science:

  • Orthopedic Oncology
  • Pediatric Pathology
  • Skeletal Radiology

Background:

  • Benign bone tumors are often asymptomatic, leading to delayed diagnosis.
  • Childhood and adolescence present unique challenges in diagnosing benign bone lesions.
  • The Basle Bone Tumor Registry provides a valuable dataset for studying bone tumor epidemiology.

Purpose of the Study:

  • To describe the characteristics of benign bone tumors in childhood and adolescence.
  • To identify specific benign bone tumor types prevalent in younger populations.
  • To elucidate potential diagnostic pitfalls and management considerations for pediatric benign bone tumors.

Main Methods:

  • Retrospective analysis of 2194 primary benign bone tumors from the Basle Bone Tumor Registry.
  • Categorization of tumors based on histology and age of presentation.
  • Review of clinical and radiological data to assess tumor behavior and location.

Main Results:

  • Benign bone-forming lesions (osteoid osteoma, osteoblastoma) and osteofibrous dysplasia are common in younger patients.
  • Cartilage-forming tumors (chondromyxoid fibroma, chondroblastoma) show increased cellularity and can be mistaken for malignancies.
  • Giant cell tumors exhibit age-dependent localization relative to growth plate status.

Conclusions:

  • Specific benign bone tumors have distinct age distributions and histological features in pediatric and adolescent populations.
  • Careful evaluation is crucial to differentiate benign bone tumors from malignant neoplasms, especially in younger patients.
  • While malignant transformation is rare, vigilant monitoring post-excision is recommended for certain lesions like benign fibrous histiocytoma.

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