 There is diffuse volume loss without a specific lobar predominant atrophy pattern. There are no masses, mass effect, or midline shift. Expected vascular flow-voids are demonstrated, and there is an intact circle of Willis. Scattered foci of mucosal thickening can be found within the paranasal sinuses without superimposed fluid levels. Mastoid air cells are clear. There are no abnormal enhancing foci..
Diffuse volume loss without a specific lobar predominant atrophy pattern.