Figure 2.

Sinonasal meningeoma. CT scan in bone window (A, D) reveals a soft tissue mass in the left frontal sinus without any signs of bone destruction or reaction. Axial T2 weighted images (B), T1 weighted images before (C) and after contrast administration (E, F) show a contrast enhancing soft tissue mass being slightly inhomogeneous in the left frontal sinus without any intracranial meningeal enhancement.

Arndt et al. Diagnostic Pathology 2008 3:14   doi:10.1186/1746-1596-3-14
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