• Annals of Clinical Neurophysiology
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• 제18권1호
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• pp.7-10
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• 2016

Ulnar neuropathy at the elbow (UNE) may seem easy to diagnose when the characteristic clinical manifestations are present, and electrodiagnostic studies have high sensitivity, although they are non-localizing in some cases and unable to reveal structural lesions. Ultrasonography is noninvasive and able to find the exact location of the lesion and visualize perineural structures. We present two cases of UNE in which we found hypoechoic mass lesions near medial epicondyle with ultrasonography and discuss its usefulness in diagnosis of UNE.

• Annals of Clinical Neurophysiology
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• 제9권1호
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• pp.16-18
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• 2007

Herpes zoster can involve the variable peripheral nervous system but there have been few reports about plexopathy by the herpes zoster. We report a 54-year-old man with left leg weakness soon after herpes zoster in the left leg. His electrophysiological findings were consistent with the left lower lumbosacral plexopathy. It was concluded that herpes zoster can be considered to be one of the rare causes of the lumbosacral plexopathy.

• Annals of Clinical Neurophysiology
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• 제9권1호
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• pp.19-22
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• 2007

Critical illness polyneuropathy (CIP) and critical illness myopathy (CIM) occur commonly in the patients who have been on mechanical ventilation for more than 1 week. Even in some patients diagnosed with CIP, an underlying myopathy may be the primary cause of the muscle weakness. The cormorbid status of CIP and CIM is called as critical illness polyneuropathy and critical illness myopathy (CIPNM). We describe a 56-year-old man with acute quadriparesis and areflexia after systemic inflammatory response syndrome. The diagnosis of CIPNM is important to avoid unnecessary investigations and unreasonably pessimistic prognosis. Electrophysiologic studies are essential for the diagnosis and for planning further clinical management.

• Annals of Clinical Neurophysiology
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• 제9권1호
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• pp.39-41
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• 2007

• 수면정신생리
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• 제8권2호
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• pp.98-106
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• 2001

Auditory hallucinations are cardinal feature of psychosis. But the mechanism of hallucinated speech is unknown. The hypothesis that these hallucinations arise from pathologically altered brain monitoring system underlying speech perception is influential. With the help of rapidly developing neuroimaging study technologies, many researchers have been finding new organic deficits in the hallucinated schizophrenic patient's brain. In this article, we reviewed the general appearance of hallucination, a computer simulation model of hallucination and several neuroimaging study findings on hallucinating schizophrenic patients. In conclusion, we presented the presumptive mechanism of hallucination based on the anatomical dysfunction of schizophrenia.

• 수면정신생리
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• 제4권1호
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• pp.1-14
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• 1997

This paper reviewed models to explain memory and neuropsychological tests to assess memory. Memory was explained in cognitive and neuroanatomical perspectives, Cognitive model describes memory as structure and process. In structure model, memory is divided into three systems: sensory memory, short-term memory(working memory), and long-term memory. In process model, there are broadly three categories of memory process: encoding, storage, and retrieval. Memory process work in memory structure. There are two prominent models of the neuroanatomy of memory, derived from the work of Mishkin and Appenzeller and that of Squire and Zola-Morgan. These two models are the most useful for the clinician in part because they take into account the connections between the limbic and frontal cortical regions. The major difference between the two models concerns the role of the amygdala in memory processess. Mishkin and his colleagues believe that the amygdala plays a significant role while Squire and his colleagues do not. The most popular and widely used tests of memory ability such as WMS-R, AVLT, CVLT, HVLT. RBMT, CFT, and BVRT-R, were reviewed.

• 수면정신생리
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• 제4권1호
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• pp.120-128
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• 1997

Clinical neuropsychological tests were developed originally for the diagnosis of neurological and neuro-surgical diseases. Recently, these tests are being introduced to psychiatric patients. Authors had the experience to use these tests in pychiatric outpatient clinic. Results were as follows. There was a significantly increase in language and attentional function in residual schizophrenia compared to normal control. In chronic neurosis, as visuospatial function was reduced, language and attentional functions were enhanced. With these results, authors suggest that application of neuropsychological tests in psychiatric patients may be very helpful in classifying the subgroups of disease, in selecting the modality of treatment, and in expecting prognosis.

• Annals of Clinical Neurophysiology
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• 제8권2호
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• pp.174-178
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• 2006

The diagnosis of peripheral neuropathy had been performed by electrophysiologic studies and neurologic examination. However, Magnetic Resonance Imaging (MRI) has recently been proposed as a supplementary tool for its diagnosis. A 55-year-old woman presented with back pain and painful proximal weakness of the right leg. Neurologic examination and electrophysiologic studies suggested an upper lumbar plexopathy. MRI disclosed the signal change in lumbar plexus with the atrophy of the innervating muscles. We report a patient with idiopathic lumbar plexopathy confirmed by MRI.

• Annals of Clinical Neurophysiology
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• 제17권2호
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• pp.86-90
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• 2015

Brachial radiculoplexitis is characterized by acute onset of shoulder and arm pain followed by weakness and sensory loss. Brachial radiculoplexitis by herpes zoster is a rare disease, which can be diagnosed by careful history, electrodiagnosis and MRI. It has remained uncertain about clinical characteristics, treatment, and prognosis. Better understanding of this disease helps earlier diagnosis and prompt treatment to minimize neurologic sequale. We present two cases of subacute brachial radiculoplexitis preceded by herpes zoster infection.

• Annals of Clinical Neurophysiology
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• 제13권2호
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• pp.97-100
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• 2011

Chronic inflammatory demyelinating polyneuropathy (CIDP) is an acquired immune-mediated polyneuropathy. Corticosteroids, intravenous immunoglobulin (IVIG) and plasmapheresis have been reported to be effective treatment. Rarely, CIDP can occur in the patients with HIV infection. The clinical features and electrophysiological findings of CIDP are known to be similar in patients with and without HIV infection. We report a 30-year-old male with HIV infection associated CIDP who improved after the administration of intravenous immunoglobulin and long term oral prednisone.