PMC3814568_01
Coronal computed tomography scan of the neck showing a large endotracheal soft tissue mass with coarse calcification foci on the left side of the subglotic area, causing severe narrowing of the tracheal lumen
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F1
There was a mass in the left side of the subglotic area with intact mucosa [Figure 1].
Representative section revealed basophile hyaline chondroid matrix, typical lobulated architecture, increased cellularity, and mild cellular atypia, consistent with low-grade chondrosarcoma (H and E, x400)
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F2
Mitotic activity was scant, but cellularity was markedly increased and several chondrocytes were seen on a single lacuna, indicating low-grade chondrosarcoma [Figure 2].