증례 #11

T2/FLAIR hyperintense mass in the superior aspect of the right cerebellar hemisphere and vermis (red arrows).

Mild corresponding patchy enhancement (red arrow).

Internal nodular areas of restricted diffusion (red arrows).

Nodular focus of restricted diffusion along the interhemispheric fissure (red arrows), which is concerning for a leptomeningeal tumor deposit.

FLAIR signal hyperintensity in a right occipital sulcus (red arrow), which may also relate to leptomeningeal tumor dissemination.