Abstract
Objective To discuss the characteristics of clinical features, diagnosis and therapy procedure of Anti-gamma-aminobutyric acid B(anti-GABAB)receptor encephalitis. Methods Procedure of clinical diagnosis and treatment in two patients with anti-GABAB receptor encephalitis were retrospected in Neurological Department of Tianjin Huanhu Hospital and the characteristics of anti-GABAB receptor encephalitis were analyzed with literature review. Results In both patients, the clinical manifestations were epileptic seizure, which was a focal seizure at first, seconded by generalized tonic clonic seizure, with frequent attacks or epilepticus state.Significant cognitive and memory impairments and psychological and behavioral abnormalities were observed during the course of the disease.Abnormal MRI signals were found in mesial temporal lobe, with normal electroencephalography.Antibody against anti-GABABreceptor was positive in both cerebrospinal fluid and blood, and immune regulation therapy was effective. Conclusions The patients present with epileptic seizures, seconded by cognitive and memory impairment, often accompanied by MR imaging-revealed mesial temporal lobe lesion.And positive anti-GABAB receptor antibody is major characteristics of anti-GABAB receptor encephalitis.The patients often combine small cell lung cancer, and Immune regulation therapy is effective. Key words: Receptor GABAB; Encephalitis
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