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Enchondroma and chondrosarcoma.

D J Flemming1, M D Murphey

  • 1Department of Radiology, National Naval Medical Center, Bethesda, Maryland 20889-5600, USA.

Seminars in Musculoskeletal Radiology
|November 4, 2000
PubMed
Summary
This summary is machine-generated.

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Enchondromas are benign bone lesions often found incidentally in young adults, while painful chondrosarcomas typically affect middle-aged adults in the axial skeleton. Differentiating these bone tumors relies on clinical, imaging, and pathological features.

Area of Science:

  • Orthopedic Oncology
  • Radiology
  • Pathology

Background:

  • Enchondroma and chondrosarcoma are common primary bone lesions encountered in radiology.
  • Distinguishing between these two entities is crucial for appropriate patient management.

Purpose of the Study:

  • To review the clinical, radiological, and pathological features differentiating enchondroma from conventional chondrosarcoma.
  • To aid radiologists in diagnosing benign versus malignant medullary chondroid lesions.

Main Methods:

  • Review of clinical presentation (pain, age, location).
  • Analysis of characteristic radiographic appearances on conventional imaging.
  • Integration of advanced imaging modalities: computed tomography (CT), magnetic resonance imaging (MRI), and nuclear medicine.

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  • Correlation with pathological findings.

    • Main Results:

    • Enchondromas typically present in young adults in the appendicular skeleton (e.g., hands) and are often incidental findings.
    • Chondrosarcomas are associated with pain, predominantly affect the axial skeleton in middle-aged adults.
    • Diagnostic challenges arise most frequently with lesions in long tubular bones.
    • Multimodality imaging and clinical data improve diagnostic accuracy.

    Conclusions:

    • A comprehensive approach combining clinical data, conventional radiography, and advanced imaging (CT, MRI, nuclear medicine) is essential for differentiating enchondroma from chondrosarcoma.
    • Accurate diagnosis of these medullary chondroid lesions is achievable in most cases.
    • Radiologists play a key role in distinguishing benign from malignant bone tumors.