Category: Rx Neurology (A – Z)

A cavernous malformation (also called a cavernoma) is a cluster of dilated, thin-walled blood vessels that form a lesion within the brain or spinal...

Hemorrhagic conversion of infarct refers to the bleeding that occurs within an area of brain tissue that has already undergone ischemic injury (infarction). After...

Supranuclear Gaze Palsy (SGP) is a neurological condition characterized by an inability to move the eyes voluntarily in one or more directions—horizontal, vertical, or...

Infranuclear (peripheral) gaze palsy refers to a weakness or paralysis of one or more extraocular muscles caused by lesions in the peripheral components of...

Progressive Supranuclear Palsy (PSP), also known as Steele–Richardson–Olszewski syndrome, is a rare, chronic neurodegenerative disorder characterized by gradual deterioration of brain regions that regulate...

Nuclear gaze palsy is a neurological condition in which the brain’s gaze‐control centers—the “nuclei” located in the brainstem—fail to coordinate eye movements properly. In...

Bilateral peripheral facial palsy is a condition in which both sides of the face experience dysfunction of the facial (VII) cranial nerves outside the...

Hemorrhagic Bilateral Facial Colliculus Syndrome is a rare brainstem disorder characterized by bleeding into the dorsal pons at the level of both facial colliculi....

Ischemic Bilateral Facial Colliculus Syndrome is a rare brainstem stroke syndrome characterized by infarction of the facial colliculi on both sides of the dorsal...

Eight-and-a-half syndrome is a rare neuro-ophthalmological condition characterized by a horizontal gaze palsy on one side (known as a “one-and-a-half” syndrome) combined with a...

Bilateral Facial Colliculus Syndrome is a rare neurological condition characterized by simultaneous impairment of the facial (VII) and abducens (VI) nerve functions on both...

Facial Colliculus Syndrome is a rare brainstem disorder resulting from a lesion at the facial colliculus—an elevated ridge on the dorsal pons where the...

Facial Colliculus Syndrome is a rare brainstem disorder characterized by a lesion of the dorsal pons at the facial colliculus—the prominence on the floor...

A dorsolateral pontine infarct is an ischemic stroke that specifically affects the dorsal and lateral portions of the pons, a key structure in the...

A ventral pontine infarct, often called Millard–Gubler syndrome when it produces a characteristic clinical picture, is a type of stroke occurring in the ventral...

A dorsolateral (tegmental) pontine infarct is a type of brainstem stroke occurring in the lateral segment of the pons, specifically within its tegmental region....

An anterolateral pontine infarct is a type of ischemic stroke occurring in the anterolateral region of the pons, the largest component of the brainstem...

Raymond–Céstan syndrome is a rare brainstem stroke syndrome resulting from occlusion of the long circumferential branches of the basilar artery. Lesions in the dorsal...

Foville syndrome is a rare neurological disorder caused by damage to the dorsal pons, a central part of the brainstem that controls eye movements,...

Millard–Gubler syndrome is a rare neurological condition resulting from a lesion in the ventral pons (the front part of the brainstem). It typically arises...