<unk>  is usually diagnosed via exclusion, and as such a vast amount of laboratory tests are required to rule out other causes of the patient's symptoms. These tests include a complete blood count, thyroid function tests and serum protein electrophoresis. Studies of cerebrospinal fluid may also be beneficial in distinguishing between<unk>  and conditions with similar signs and symptoms. MRI scans of the brain and orbit with and without contrast, magnetic resonance angiography or digital subtraction angiography and a CT scan of the brain and orbit with and without contrast may all be useful in detecting inflammatory changes in the cavernous sinus, superior orbital fissure and/or orbital apex. Inflammatory change of the orbit on cross sectional imaging in the absence of cranial nerve palsy is described by the more benign and general nomenclature of orbital pseudotumor.Sometimes a biopsy may need to be obtained to confirm the diagnosis, as it is useful in ruling out a neoplasm. Other diagnoses to consider include craniopharyngioma, migraine and meningioma.
Tolosa–Hunt syndrome
Ramsay Hunt syndrome
Seaver Cassidy syndrome
Ramsay Hunt syndrome type 1
Ramsay Hunt syndrome type 2
Robinow syndrome
Cantú syndrome
Pallister–Hall syndrome