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Chondrosarcoma of the sternum: CT features
J Aoki1, R P Moser, M J Kransdorf
1Department of Radiologic Pathology, Armed Forces Institute of Pathology, Washington, D.C. 20306-6000.
Journal of Computer Assisted Tomography
|September 1, 1989
Summary
Computed tomography (CT) is crucial for diagnosing sternal chondrosarcomas, identifying characteristic calcifications and tumor contours. This imaging modality aids in precise localization and surgical planning for these rare chest wall tumors.
Area of Science:
- Radiology
- Oncology
- Pathology
Background:
- Sternal chondrosarcomas are rare malignant cartilaginous neoplasms.
- They typically present as large, painless anterior chest wall masses in elderly individuals.
- Diagnosis can be challenging due to their rarity and location.
Purpose of the Study:
- To evaluate the role of computed tomography (CT) in the diagnosis and management of sternal chondrosarcomas.
- To identify characteristic CT findings associated with sternal chondrosarcomas.
- To assess the utility of CT in surgical planning.
Main Methods:
- Retrospective review of 11 sternal chondrosarcoma cases.
- Emphasis on radiologic findings, particularly CT scans.
- Correlation of imaging findings with clinical presentation and surgical outcomes.
Main Results:
- CT detected matrix calcifications in all 11 patients.
- Typical CT findings included stippled, flocculent, or curvilinear calcifications (rings and arcs).
- Tumor contours were often scalloped or lobulated on CT.
- CT accurately localized lesions, especially smaller ones or those in the xyphoid process.
- CT was valuable for preoperative diagnosis and surgical management.
Conclusions:
- CT is highly effective in detecting the characteristic matrix mineralization of sternal chondrosarcomas.
- CT imaging provides essential information for preoperative diagnosis, localization, and surgical planning.
- The findings underscore CT's importance in managing these rare chest wall tumors.