Kyung Wook Kang

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OBJECTIVE Superficial siderosis (SS) of the CNS is associated with cerebellar ataxia, sensorineural hearing loss, and pyramidal symptoms, which result from iron depositions on CNS surfaces. SS can produce bilateral vestibulopathy as the vestibulo-cochlear nerve is particularly vulnerable. To our knowledge, however, vestibular dysfunction in SS has not been(More)
This study aimed to determine prevalence, differentiate underlying causes, and identify the benign group in subjects with asymptomatic T-wave inversion (TWI). We retrospectively read 12-lead electrocardiograms from 3,929 consecutive asymptomatic men in the air force (3,929 participants, mean age 39.3 ± 8.7 years) who underwent medical screening at the(More)
A 62-year-old man presented to the emergency department with sudden-onset eye-opening difficulty and diplopia. He had no associated nausea, vomiting, vertigo, or headache. He did not report any previous or family history of stroke. Neurological examinations revealed marked bilateral ptosis and binocular upgaze limitations, but normal horizontal gaze and(More)
Pain is a frequent and troublesome non-motor symptom of Parkinson's disease (PD) and has a negative impact on quality of life (QoL). The aim of this study was to investigate the relative impact of pain or a specific pain subtype on the QoL of patients with PD. We included 161 patients with PD. Pain was assessed using the patients' descriptions, a structured(More)
OBJECTIVES There has been controversy regarding whether or not people affected by leprosy have more cognitive dysfunction than healthy individuals. The purpose of this study was to assess cognitive functions and activities of daily living (ADL) in people affected by leprosy relative to a control population living in rural areas. MATERIALS AND METHODS We(More)
Inflammation might be associated with cognitive impairment and be involved in the pathogenesis of Parkinson’s disease (PD). High-sensitivity C-reactive protein (hs-CRP) is a sensitive biomarker of systemic inflammation. This study aimed to investigate whether serum concentrations of hs-CRP are related to cognitive function in patients with PD. Patients with(More)
BACKGROUND The vertical vestibulo-ocular reflex (VOR) may be impaired in internuclear ophthalmoplegia (INO) as the medial longitudinal fasciculus (MLF) conveys VOR-signals from the vertical semicircular canals. It has been proposed that signals from the contralesional posterior semicircular canal (PSC) are exclusively transmitted through the MLF, while for(More)
BACKGROUND AND PURPOSE Previous studies have reported higher incidence of white matter lesions (WMLs) in military pilots. The anti-gravity straining maneuver, which fighter military pilots perform numerously during a flight is identical to the valsalva maneuver. We sought to investigate the prevalence of right-to-left shunt (RLS) associated with WMLs in(More)
In March 2014, a 39-year-old Korean male presented with a 6-month history of various nonspecific symptoms including dizziness, fatigue, asthenia, irritability, elevated blood pressure, palpitation, eyestrain, and tinnitus. His occupational history revealed that he had been working as an indoor firing range manager for 13 months; therefore, he was subjected(More)