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Chondrosarcoma of the larynx: CT features
F J Wippold1, J G Smirniotopoulos, C J Moran
1Mallinckrodt Institute of Radiology, Washington University Medical Center, St. Louis, MO 63110.
AJNR. American Journal of Neuroradiology
|March 1, 1993
Summary
Computed tomography (CT) effectively detects laryngeal chondrosarcoma, with calcification being a key indicator. This imaging modality aids in evaluating both airway and extralaryngeal tumor extent.
Area of Science:
- Radiology
- Oncology
- Laryngology
Background:
- Laryngeal chondrosarcoma is a rare malignancy.
- Accurate diagnosis and staging are crucial for effective management.
Purpose of the Study:
- To define the typical computed tomography (CT) features of laryngeal chondrosarcoma.
- To correlate CT findings with clinical presentation.
Main Methods:
- Retrospective review of CT studies in 10 patients with pathologically proven laryngeal chondrosarcoma.
- Correlation of imaging findings with clinical symptoms.
Main Results:
- CT detected all laryngeal chondrosarcomas.
- Coarse or stippled calcification was present in all cases and is a key radiologic finding.
- The cricoid cartilage was the most common site of origin.
- Tumors frequently exhibited both endolaryngeal and extralaryngeal growth patterns.
Conclusions:
- Cross-sectional imaging, particularly CT, provides excellent evaluation of the airway and extralaryngeal components of laryngeal chondrosarcoma.
- CT features can aid in the diagnosis and assessment of laryngeal chondrosarcoma.