Polyneuritis cranialis
Polyneuritis cranialis is often considered an oculopharyngeal subtype of Guillain-Barré syndrome, but the term has also been used for other subtypes of post-infectious and inflammatory polyneuritis (including diphteria, HIV, Lyme disease, sarcoidosis, post-chemotherapy, etc.) 1,2. The term was initially used for Guillain-Barré syndrome without limb weakness 1.
Radiographic features
Although non specific and variable, the featured of polyneuritis cranialis include multiple cranial nerves enhancement3.