Jung Joon Sung

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Longitudinally extensive transverse myelitis (LETM) is a syndrome with extensive spinal cord lesions spanning three or more vertebral segments on spinal cord MRI. Although many reports have indicated that LETM is a characteristic feature of neuoromyelitis optica (NMO) in Western countries, the clinical characteristics and risk for development of NMO in(More)
Several reports from Western countries suggest differences in the clinical features of patients with muscle specific kinase (MuSK) antibody-positive and -negative seronegative myasthenia gravis (MG). We performed the first survey in Korea of MuSK antibodies, studying 23 patients with acetylcholine receptor (AChR)-antibody seronegative MG. MuSK antibodies(More)
PURPOSE Evaluation of clinical skills and attitude including development of dynamic patient-doctor relationship is important in board examination (BE). Korean Neurological Association (KNA) has introduced clinical performance examination (CPX) utilizing standardized patients (SP) to BE in 2007. In this study, the authors describe the 3-year experience of(More)
Zika is a re-emerging, mosquito-borne viral infection, which has been recently shown to cause microcephaly and Guillain-Barré syndrome. Since 2015 the number of infected patients has increased significantly in South America. The purpose of this study was to identify the epidemiologic and clinical characteristics of patients with Zika virus (ZIKV) infections(More)
Needle electromyography (EMG) and determining the motor evoked potential (MEP) of the genioglossus (tongue) are difficult to perform in evaluation of the craniobulbar region in patients with amyotrophic lateral sclerosis (ALS). Needle EMG and MEP determination in the upper trapezius were carried out in 17 consecutive ALS patients. The needle EMG parameters(More)
Multiple sclerosis (MS) is a T-lymphocyte-mediated autoimmune disease that is characterized by inflammation in the central nervous system (CNS). Although many disease-modifying therapies (DMTs) are presumed effective in patients with MS, studies on the efficacy and safety of DMTs for preventing MS relapse are limited. Therefore, we tested the(More)
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