A facial pain syndrome characterized by paroxysms of pain involving areas innervated by one or more sensory branches of the trigeminal nerve (CN V). Read more »
An idiopathic palsy of the facial nerve (cranial nerve VII) which results in ipsilateral weakness of the facial muscles. Read more »
Bickerstaff brainstem encephalitis (BBE) is a rare inflammatory disorder involving the brainstem. Read more »

There are three semicircular canals – superior, lateral and posterior. The semicircular canals are integral to maintaining balance and equilibrium with changes in body and head position. Dehiscence of the superior semicircular... Read more »

Arnold Chiari 1 malformation is a congenital anomaly of the brain parenchyma characterized by descent of the cerebellar tonsils below the foramen magnum due to a mismatch between the size of the... Read more »
Tolosa-Hunt Syndrome is a neuro-ophthalmologic diagnosis of exclusion that presents clinically as painful ophthalmoplegia with the ocular motor neuron palsies ipsilateral to the pain. Read more »

The MR images show an abnormal growth hanging down from the hypothalamus. This is a hypothalamic hemartoma, which in some cases can be a type of grey matter heterotopia within the tuber cinereum.... Read more »

Aberrant course of the internal carotid artery (a-ICA) is a congenital anomaly characterized by the displacement of the ICA posterior and lateral to its expected course. It results from the agenesis of... Read more »