Discussion
Diagnosis With Brief Discussion
- Diagnosis
- Chondrosarcoma
- Radiologic Findings
- Fig 1. Chest radiograph shows nodular opacity with calcifications in right 4th rib anterior arc.
Fig 2-8. CT scan reveals small soft tissue lesion with bony destruction, containing internal stippled chondroid calcifications in right 4th rib.
- Brief Review
- Chondrosarcoma, the most common primary malignant rib neoplasm, usually arises at or near the costochondral junction. Its incidence tends to peak at the age of 50 years; it is rare in individuals younger than 20 years. Although some chondrosarcomas may not have radiographically visible calcifications, most feature lobulated masses containing the typical flocculent, stippled, or ring- and arclike calcifications and usually involve the anterior rib at the costochondral junction and show osseous expansile remodeling with a ring-and-arc pattern of calcification and soft-tissue extension on both radiographs and CT.
- References
- 1. Benjamin D. Levine, Kambiz Motamedi, Kira Chow, Richard H. Gold, and Leanne L. Seeger. CT of Rib Lesions. American Journal of Roentgenology 2009 193:1, 5-13
2. Mark D. Murphey, Eric A. Walker, Anthony J. Wilson, Mark J. Kransdorf, H. Thomas Temple, and Francis H. Gannon. Imaging of Primary Chondrosarcoma: Radiologic-Pathologic Correlation. RadioGraphics 2003 23:5, 1245-1278
- Keywords