What is acute hemorrhagic Leukoencephalitis?
What is acute hemorrhagic Leukoencephalitis?
Acute hemorrhagic leukoencephalitis (AHLE) is a very rare form of acute disseminated encephalomyelitis that frequently results in death. It is characterized by a brief but intense attack of inflammation in the brain and spinal cord that damages the myelin (the protective covering of the nerve fibers).
What structures are affected in Leukoencephalitis?
Acute hemorrhagic leukoencephalitis (AHLE) is an inflammatory disease of the brain, most often affecting the cerebrum, less commonly the cerebellum, the brain stem, or the spinal cord.
What is acute disseminated encephalomyelitis transverse myelitis?
Transverse myelitis (TM) and acute disseminated encephalomyelitis (ADEM) are infrequent causes of acute paralysis in children, affecting both the upper and lower extremities and, in severe cases, resulting in bladder and bowel dysfunction.
What is Leukoencephalitis?
: inflammation of the white matter of the brain.
What is acute hemorrhagic edema of infancy?
Acute hemorrhagic edema of infancy (AHEI) is a benign type of leukocytoclastic vasculitis. It is a benign phenomenon although it manifests with fever, large palpable purpuric skin lesions, and edema. The presentation of AHEI can often resemble that of Henoch-Schönlein purpura.
What is a hemorrhagic encephalitis accident?
Listen to pronunciation. (HEH-muh-RA-jik seh-REE-broh-VAS-kyoo-ler AK-sih-dent) A type of stroke that occurs when a blood vessel in the brain or on the surface of the brain leaks or breaks open, causing bleeding in or around the brain.
What causes encephalomyelitis?
Encephalitis is most often due to a virus, such as: herpes simplex viruses, which cause cold sores (this is the most common cause of encephalitis) the varicella zoster virus, which causes chickenpox and shingles. measles, mumps and rubella viruses.
What is acute hemorrhagic edema?
Acute haemorrhagic oedema (hemorrhagic edema with the American spelling) is a rare type of cutaneous small vessel vasculitis with a characteristic presentation in infants. It consists of a clinical triad of: Large bruise-like lesions (purpura) Swelling (oedema) Fever.
What is acute necrotizing?
Acute necrotizing encephalopathy (ANE) is a rare disease characterized by brain damage (encephalopathy) that usually follows an acute febrile disease, mostly viral infections..
What is acute necrotizing leukoencephalopathy?
Acute necrotizing encephalopathy (ANE) is a rare central nervous system (CNS) complication secondary to influenza or other viral infections which is characterized by altered mental status and seizures, and often this further leads to profound disability or death.
What is hemorrhagic stroke PDF?
Hemorrhagic stroke is due to bleeding into the brain by the rupture of a blood vessel. Hemorrhagic stroke may be further subdivided into. intracerebral hemorrhage (ICH) and subarachnoid hemorrhage (SAH). ICH is bleeding into the brain parenchyma, and SAH is bleeding into the. subarachnoid space.
What is hemorrhagic leukoencephalitis?
Summary Acute hemorrhagic leukoencephalitis (AHLE) is a rare form of acute disseminated encephalomyelitis. It is characterized by a brief but intense attack of inflammation in the brain and spinal cord that damages the myelin (the protective covering of the nerve fibers).
What is AHEM (acute hemorrhagic encephalomyelitis)?
Acute hemorrhagic encephalomyelitis (AHEM), also known as acute hemorrhagic leukoencephalitis (AHLE), Hurst disease or Weston Hurst syndrome, is a very rare form of demyelinating disease.
What is the role of GRE in the workup of hemorrhagic leukoencephalitis?
Detection of cerebral microhemorrhages by GRE or the more sensitive susceptibility weighted images (SWI) is an important finding and may allow for differentiation from ADEM. Acute hemorrhagic leukoencephalitis is associated with a very poor prognosis with the majority of affected individuals succumbing to the disease.
What are the signs and symptoms of Ahle?
Symptoms usually come on quickly and may include fever, neck stiffness, fatigue, headache, nausea, vomiting, seizures, and coma. AHLE has a very poor prognosis, with rapid deterioration and death usually occurring within days to one week after onset of symptoms.