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Primary thoracic sarcomas.

Gregory W Gladish1, Bradley M Sabloff, Reginald F Munden

  • 1Department of Diagnostic Radiology, M.D. Anderson Cancer Center, 1515 Holcombe Blvd, Box 57, Houston, TX 77030, USA. ggladish@mdanderson.org

Radiographics : a Review Publication of the Radiological Society of North America, Inc
|May 15, 2002
PubMed
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Primary thoracic sarcomas are rare tumors of the lung, mediastinum, pleura, and chest wall. Radiologic findings and clinical presentation aid in diagnosing these diverse sarcomas.

Area of Science:

  • Thoracic oncology
  • Diagnostic imaging
  • Skeletal and soft tissue sarcomas

Background:

  • Primary sarcomas of the thorax are rare and require exclusion of other lung malignancies and metastatic disease.
  • These tumors originate in the lung, mediastinum, pleura, or chest wall and are classified by histologic features.

Purpose of the Study:

  • To review the diverse radiologic manifestations of primary thoracic sarcomas.
  • To highlight key clinical and imaging features that suggest specific sarcoma subtypes.

Main Methods:

  • Review of radiologic findings in primary thoracic sarcomas.
  • Correlation of imaging features with clinical presentation and histologic subtypes.

Main Results:

  • Common primary intrathoracic sarcomas include angiosarcoma, leiomyosarcoma, rhabdomyosarcoma, and sarcomatoid mesothelioma.

Related Experiment Videos

  • Chest wall sarcomas include Ewing sarcoma, chondrosarcoma, osteosarcoma, and others.
  • Radiologic presentations vary widely, from large masses to nodules and intraluminal tumors.
  • Histologic differentiation is often difficult on imaging alone.

    • Conclusions:

    • Clinical presentation and tumor location, along with features like calcification and rib involvement, can suggest specific diagnoses.
    • A large pediatric rib mass with fever suggests Ewing sarcoma; calcified matrix indicates chondrosarcoma/osteosarcoma; pulmonary artery mass suggests leiomyosarcoma.