Low grade chondrosarcoma of the nasal septum

Figure 1 Endoscopic view shows a smooth surfaced mass on the posterior septum. S: Septum; IT: Inferior turbinate.

Figure 2 Computed tomography scan reveals an approximately 3 cm sized soft-tissue mass with focal septal destruction and calcifications (arrow) on the posterior septum.

Figure 3 Magnetic resonance imaging findings. A: T2WI demonstrates a mass (arrow) with high-intensities, which corresponds to chondroid matrix; B: T1WI with gadolinium-enhanced shows heterogenous enhancement with ring-and-arc appearance which corresponds to fibrovascular bundles (arrow) surrounding the cartilaginous nodules.