Related Experiment Video
Updated: Jun 14, 2026

09:57
Electromagnetic Source Imaging in Presurgical Evaluation of Children with Drug-Resistant Epilepsy
Published on: September 20, 2024
Paraneoplastic limbic encephalitis presenting as a neurological emergency: a case report
Zongqi Xia1, Brijesh P Mehta, Allan H Ropper
1Department of Neurology, Brigham and Women's Hospital, Boston, MA, USA. santoshkesari@gmail.com.
Journal of Medical Case Reports
|March 26, 2010
Summary
Early diagnosis and treatment of paraneoplastic limbic encephalitis (PLE) in small-cell lung cancer patients are crucial. Prompt immune therapies can lead to improved neurological outcomes and seizure resolution.
Area of Science:
- Neurology
- Oncology
- Immunology
Background:
- Paraneoplastic limbic encephalitis (PLE) is a difficult diagnosis associated with poor outcomes if not identified early.
- Small-cell lung cancer (SCLC) is a common underlying malignancy associated with PLE.
Purpose of the Study:
- To present a case of SCLC-associated PLE.
- To highlight the importance of early diagnosis and treatment for improved patient outcomes.
Main Methods:
- A 65-year-old female patient with SCLC presented with seizures and confusion.
- Diagnostic workup included MRI, EEG, lumbar puncture, antibody testing, and CT chest.
- Treatment involved anti-epileptic drugs, chemotherapy, IVIg, and steroids.
Main Results:
- The patient was diagnosed with PLE associated with SCLC and positive N-type voltage-gated calcium channel antibodies.
- Treatment led to seizure resolution and improved mental status.
Conclusions:
- Early recognition and prompt immune intervention in PLE are vital for favorable neurological outcomes.
- This case underscores the importance of a multidisciplinary approach in managing SCLC-associated neurological paraneoplastic syndromes.
Related Concept Videos
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...
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...
Seizures l: Introduction
Understanding seizures and epilepsy relies on key definitions that help in recognizing, classifying, and managing these disorders. These definitions provide a framework for recognizing, classifying, and managing seizure disorders.DefinitionsA seizure is a sudden, abnormal burst of electrical activity in the brain that can cause changes in awareness, movement, sensation, or behavior, depending on the area involved. Epilepsy is a chronic condition characterized by recurrent, unprovoked seizures,...
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...
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,...
Viral Meningitis
Viral meningitis is the most common form of meningitis and is often referred to as aseptic meningitis to indicate the absence of bacterial involvement. It is generally milder than bacterial meningitis, with symptoms including fever, headache, stiff neck, drowsiness, nausea, photophobia, and vomiting. Rarely, more severe manifestations or death may occur. Common causative agents include enteroviruses, particularly coxsackie A and B viruses and echoviruses, all members of the Enterovirus genus...