Primary tumors of the thoracic skeleton

Area of Science:

• Thoracic oncology
• Skeletal tumors

Background:

• Primary tumors of the thoracic skeleton are rare but can be challenging to treat.
• From 1975 to 1990, 89 primary thoracic skeletal tumors were treated.

Purpose of the Study:

• To review treatment outcomes for primary thoracic skeletal tumors.
• To identify prognostic factors for different tumor types.

Main Methods:

• Retrospective analysis of 89 patients with primary thoracic skeletal tumors (ribs, sternum, scapula, clavicle, thoracic spine).
• Tumors were categorized as benign or malignant.
• Treatment modalities included surgery, chemotherapy, and radiation therapy.

Main Results:

• 44 tumors (49%) were benign; 45 were malignant.
• Common malignancies included Ewing's sarcomas, chondrosarcomas, plasmacytomas, osteogenic sarcomas, and lymphomas.
• Ewing's sarcoma patients treated with multimodal therapy had a high survival rate.
• Chondrosarcoma patients treated with surgery alone had favorable outcomes.
• Solitary plasmacytomas and lymphomas had a 50% rate of systemic progression.
• Osteogenic sarcoma patients, particularly those with radiation-induced or Paget's disease-related tumors, had a poor prognosis.

Conclusions:

• Multimodal therapy is effective for Ewing's sarcoma of the thoracic skeleton.
• Surgery alone may be sufficient for primary chondrosarcomas.
• Solitary plasmacytomas and lymphomas require vigilant monitoring for systemic disease.
• Osteogenic sarcomas, especially secondary types, present a significant treatment challenge.