| Syndrome of increased ICP |
Patients with signs and symptoms of only headache, papilledema without any cranial nerve involvement, focal neurologic deficit, or seizure |
| Syndrome of focal neurologic deficit with or without increased ICP |
Patients with signs and symptoms such as limb weakness, seizure, other focal neurologic deficit with or without headache, and papilledema |
| Syndrome of cavernous sinus thrombosis |
Patients with signs and symptoms of conjunctival redness, chemosis, progressive swelling of eyelid, ophthalmoparesis, headache, and papilledema |
| Syndrome of unspecific diffuse encephalopathy |
Patients presenting with signs and symptoms of generalized encephalopathic illness without a localizing signs or recognizable features of increased ICP, with a depressed level of consciousness being the most constant finding (varying from drowsiness to deep coma) |
