Category: Rx Neurology (A – Z)

Melkersson–Rosenthal syndrome is a rare neuro-mucocutaneous disorder in which repeated bouts of swelling in the face or lips, attacks of one-sided facial paralysis, and...

Medial Superior Pontine Syndrome is a rare type of brain-stem stroke that happens when the paramedian (mid-line) branches of the upper basilar artery are...

Medial Mid-Pontine Syndrome is a neurological condition that happens when a small but vital strip of tissue in the middle (medial) part of the...

Medial Inferior Pontine Syndrome—sometimes called inferior medial pontine stroke syndrome or Foville syndrome—is a rare type of brain-stem stroke that injures the inner (medial)...

Lesch–Nyhan syndrome is a rare, X-linked, inherited metabolic disorder in which mutations in the HPRT1 gene on the X-chromosome disable the enzyme hypoxanthine-guanine phosphoribosyl-transferase...

Anaplastic (Grade III) hemorrhagic ependymoma is a fast-growing, highly cellular brain or spinal-cord tumor that arises from ependymal cells—the thin lining of the ventricles...

A subependymoma is a low-grade (WHO grade 1) tumour that grows from the lining cells of the brain’s ventricular system or, less often, the...

A myxopapillary ependymoma (MPE) is a World Health Organization (WHO) grade I glial tumor that grows from ependymal cells lining the central canal of...

Spinal hemorrhagic ependymoma is a rare spinal-cord tumor in which the neoplastic tissue suddenly or gradually fills with blood. Ependymomas are already the most...

Posterior fossa hemorrhagic ependymoma is a tumor that starts from the ependymal cells that normally line the fourth ventricle and the central canal of...

A supratentorial hemorrhagic ependymoma is a rare glial-cell tumour that grows above the tentorium (the fold of dura that separates the cerebral hemispheres from...

A focal cortical or subcortical hemorrhagic demyelinating lesion (FCS-HDL) is a small, sharply bordered patch of brain tissue in either the grey cortical ribbon...

A diffuse axonal hemorrhagic demyelinating lesion (DAHDL) is a complex kind of brain-and-spinal-cord injury in which three types of tissue damage happen at the...

A spinal cord hemorrhagic demyelinating lesion is an injury in which two damaging events collide at the same spot in the cord: Hemorrhage –...

Recurrent Episodic Vasculitic Demyelination (REVD) is an uncommon pattern of nervous-system damage in which small and medium blood-vessel inflammation (vasculitis) repeatedly flares and quiets...

Chronic Progressive Vasculitic Demyelination is a descriptive umbrella term used by neurologists to capture a group of rare disorders in which long-standing inflammation of...

Fulminant Vasculitic Demyelination (FVD) describes a “perfect storm” in which small- and medium-sized blood-vessels are attacked by the immune system (vasculitis) while myelin is...

Sub-acute Vasculitic Hemorrhagic Demyelination (SVHD) is a rare, fiercely inflammatory disease of the brain and spinal cord. Doctors place it on the same spectrum...

Acute Hemorrhagic Leukoencephalitis (often shortened to AHLE and sometimes called Weston-Hurst syndrome) is an extremely rare but very aggressive brain and spinal-cord disease. In...

“Brainstem and cerebellar hemorrhagic demyelination” refers to any disease process in which the insulating myelin sheaths of nerve fibers inside the brainstem or cerebellum...