Creutzfeldt-Jakob disease-like diffusion-weighted imaging hyperintensity paralleled with neuropsychiatric symptoms in a patient with limbic encephalitis associated with anti-voltage-gated potassium channel complex antibodies
Creutzfeldt-Jakob disease-like diffusion-weighted imaging hyperintensity paralleled with neuropsychiatric symptoms in a patient with limbic encephalitis associated with anti-voltage-gated potassium channel complex antibodies
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与抗电压门控钾通道复合物抗体相关的边缘脑炎患者的克雅氏病样弥散加权成像高信号与神经精神症状平行
DOI:
10.1111/cen3.12525
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发表时间:
2019
期刊:
影响因子:
--
通讯作者:
et al.
中科院分区:
文献类型:
--
作者:
Okadome T;et al.
It is crucial to differentiate Creutzfeldt–Jakob disease (CJD) from other potentially treatable diseases. The diagnosis of CJD is supported by periodic sharp wave complexes on electroencephalography (EEG), a neuronal injury marker in cerebrospinal fluid, and cortical and subcortical hyperintensities on diffusionweighted imaging (DWI). However, these features are not specific for CJD. We report a patient with limbic encephalitis associated with anti-voltage-gated potassium channel complex antibodies (anti-VGKCC-ab) who presented similar clinical and DWI findings to those characteristic of CJD. The patient was a 58-year-old man who gradually developed memory impairment. Two consecutive brain magnetic resonance imaging scans (2 and 5 months after onset) carried out at a local clinic detected a transient hyperintense lesion in the left mesial temporal lobe on fluid-attenuated inversion recovery imaging, with subsequent mesial temporal lobe atrophy. No DWI abnormality was observed. Subsequently, his memory impairment was aggravated, and hallucinations and a depressive state occurred. His mental symptoms deteriorated relentlessly without remission. Then, 9 months after symptom onset, he was admitted to our clinic for further evaluation (Kyushu university hospital, Fukuoka, Japan).On his first visit, the neurological examination was normal, except for severe retrograde and anterograde amnesia, hallucinations, and a depressive state. Faciobrachial dystonic seizure was not observed. The Wechsler Adult Intelligence Scale III was within the normal limits. The Wechsler Memory Scale-Revised was abnormal in logical, visual and delayed memory, with scores of 26, 46 and 32, respectively. Serum analysis showed hyponatremia (132 mEq/L). Tumor markers and antibodies for collagen diseases were all negative. Cerebrospinal fluid was normal for cell count and protein level, and negative for viral polymerase chain reaction testing (HSV, HHV6 and VZV), 14-3-3 and tau protein testing, and real-time quaking-induced conversion