Related Experiment Video
Updated: Jun 3, 2026

04:23
A Murine Model of Dengue Virus-induced Acute Viral Encephalitis-like Disease
Published on: April 28, 2019
[Acute necrotizing encephalopathy]
1Department of Developmental Medical Sciences, Graduate School of Medicine, The University of Tokyo.
Nihon Rinsho. Japanese Journal of Clinical Medicine
|March 16, 2011
Summary
Acute necrotizing encephalopathy is a rare neurological disorder primarily affecting children, often following viral infections. While corticosteroids may help, the condition frequently leads to poor outcomes and lasting neurological damage.
Area of Science:
- Neurology
- Pediatrics
- Infectious Diseases
Context:
- Acute necrotizing encephalopathy (ANE) is a severe neurological syndrome.
- Characterized by bilateral thalamic lesions, it predominantly affects children in East Asia.
- Often triggered by viral infections like influenza, presenting with high fever.
Purpose:
- To summarize the key features, triggers, and outcomes of acute necrotizing encephalopathy.
- To highlight the challenges in prognosis and treatment.
- To mention the emerging understanding of its genetic underpinnings.
Summary:
- ANE involves acute encephalopathy with specific thalamic lesions, neurological deficits (coma, convulsions, brainstem dysfunction), and systemic organ involvement.
- Viral infections are common preceding factors.
- Despite corticosteroid use in some instances, mortality and severe neurological sequelae remain high.
Impact:
- Highlights the critical need for early diagnosis and management of ANE.
- Emphasizes the poor prognosis and significant long-term neurological impact on affected children.
- Suggests that understanding the genetic basis may offer future therapeutic targets.
Related Concept Videos
Encephalitis ll: Pathophysiology
Encephalitis is inflammation of the brain parenchyma caused by direct viral invasion or immune-mediated mechanisms triggered by infections or tumors. Both processes lead to neuronal injury, disrupted neurotransmission, and diverse neurological symptoms, often with overlapping clinical and pathological features.Autoimmune EncephalitisIn autoimmune encephalitis, antibodies target neuronal antigens on cell surfaces, synapses, or within neurons. A key example is anti-NMDAR encephalitis, which can...
Encephalitis l: Introduction
Encephalitis is inflammation of the brain parenchyma, most often due to infections or autoimmune processes. It presents with neuropsychiatric features such as fever, altered mental status, behavioral changes, cognitive dysfunction, seizures, focal deficits, and sometimes autonomic instability. In some cases, the meninges are also involved, resulting in meningoencephalitis.Infectious CausesInfectious encephalitis is most commonly viral but can also result from bacterial, fungal, or parasitic...
Hepatic Encephalopathy
DefinitionHepatic encephalopathy is a reversible neurologic syndrome that results from advanced liver dysfunction or portosystemic shunting. It leads to disturbances in cognition, behavior, and motor function due to the brain’s exposure to gut-derived toxins that the liver fails to detoxify.EtiologyThis condition develops either in the setting of acute fulminant hepatitis or progressively during chronic liver disease, such as cirrhosis and portal hypertension. Portosystemic shunting—including...
Arboviral Encephalitis
Arboviral encephalitis refers to brain inflammation caused by arthropod-borne viruses, particularly those transmitted through mosquito vectors. Among these, West Nile virus (WNV), a member of the Flaviviridae family, is a significant public health concern. WNV is an enveloped, positive-sense, single-stranded RNA virus. Human infection typically begins when an infected mosquito introduces the virus into the dermis during feeding. The primary transmission cycle involves birds as amplifying hosts...
Brain Abscess l: Introduction
A brain abscess is a focal, intracerebral infection characterized by a localized collection of pus within the brain parenchyma, resulting from microbial invasion and the body’s inflammatory response. It progresses through stages: early and late cerebritis, followed by early and late capsule formation, reflecting tissue destruction, immune response, and eventual encapsulation.Etiology and PathogenesisCausative organisms vary with source and host factors, often involving polymicrobial infections,...
Cytotoxic Edema: Pathophysiology
Cytotoxic edema is a form of cerebral edema characterized by intracellular swelling of neurons, astrocytes, and other glial cells. It develops when the mechanisms responsible for maintaining ionic gradients across the cell membrane become impaired. Under normal physiological conditions, the sodium–potassium ATPase actively transports sodium ions out of the cell and potassium ions into the cell, preserving osmotic balance and enabling electrical signaling. This pump requires a continuous supply...