Figure 29: 48-year-old patient with histologically confirmed malignant melanoma of the right nasal cavity.
a) The tumor appears hyperintense on plain T1w images.
b) On T2w images the tumor is inhomogeneously hyperintense and can be clearly differentiated from the hyperintense inflammatory changes of the right maxillary sinus (x).
c) The tumor enhances avidly after contrast administration, and there is intracranial tumor growth through the cribriform plate.