Imaging SARS-CoV-2 Involvement of Leptomeninges, Olfactory and Limbic Areas

"Case 1: Routine care protocol not requiring injection~* Realization of the non-injected MRI protocol adapted to the indication~* \+ Addition of a 3D bFFE-Xd sequence (+ 2 min) The protocol will last the examination time usually provided by the current treatment according to the indication + 2 min of complementary sequence Case 2: Routine treatment protocol requiring an injection~* Realization of the injected MRI protocol adapted to the indication~* Before gadolinium injection:~* Addition of a 3D bFFE-Xd sequence (+ 2 min) before injection~* After gadolinium injection:~* Option 1: if olfaction disorder, addition of DCE perfusion sequence (T1-WI) which will be the 1st post injection sequence (+ 4 min 30)~* FABIR 0.9 3D sequence (+ 4 min)~* 3D sequence T1 TSE 0.7 (+ 2 min 30)~* FLAIR HR coronal sequence (+ 3 min 30)~* Option 2: if hearing / balance disorder, adding 3D FLAIR labyrinth sequence (+ 6min) which will be the 1st post injection sequence"