What differential diagnosis are you thinking of if this patient were to complete a blood test with positive results for IgG antibodies against the channel aquaporin-4 (AQP4-IgG)? Hint: think of hiccups
What is neuromyelitis optica?
What differential diagnosis would you be thinking of if the patient's symptoms were accompanied with symptoms of transverse myelitis and/or acute disseminated encephalomyelitis? (Hint: autoimmune)
What is MOGAD (myeline oligodendrocyte glycoprotein antibody-associated disease) ?
What differential diagnosis would you be thinking of if the exam showed bilateral papilledema and a lumbar puncture produced a CSF with no evidence of infection, inflammatory, or malignant processes and an elevated opening pressure?
Idiopathic intracranial hypertension