Encephalitis associated with antibodies to gamma-aminobutyric-acid B(GABA-B)is a subgroup of autoimmune synaptic encephalitis with typical features of limbic encephalitis and small cell lung cancer(SCLC).We report a c...Encephalitis associated with antibodies to gamma-aminobutyric-acid B(GABA-B)is a subgroup of autoimmune synaptic encephalitis with typical features of limbic encephalitis and small cell lung cancer(SCLC).We report a case of anti-GABA-B receptor encephalitis in a 57-year-old man who presented with seizures,memory loss,and abnormal behavior.He developed partially neurological responses to immunotherapy,but refused comprehensive tumor screening.The symptoms were aggravated again 4 months later.Workup showed antibodies to GABA-B receptors and tumor screening revealed SCLC.It highlights the importance of early screening of underlying tumor and anti-tumor treatment in paraneoplastic cases.展开更多
文摘Encephalitis associated with antibodies to gamma-aminobutyric-acid B(GABA-B)is a subgroup of autoimmune synaptic encephalitis with typical features of limbic encephalitis and small cell lung cancer(SCLC).We report a case of anti-GABA-B receptor encephalitis in a 57-year-old man who presented with seizures,memory loss,and abnormal behavior.He developed partially neurological responses to immunotherapy,but refused comprehensive tumor screening.The symptoms were aggravated again 4 months later.Workup showed antibodies to GABA-B receptors and tumor screening revealed SCLC.It highlights the importance of early screening of underlying tumor and anti-tumor treatment in paraneoplastic cases.