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KMID : 0359719950130041020
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Journal of the Korean Neurological Association
1995 Volume.13 No. 4 p.1020 ~ p.1025
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Non-epileptic Events of paroxysmal Dystonic Choreoathetosis in Two patients with Cerebral Calcification Due to Hypoparathyroidism
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최영철
김재문/남선우/정진상/이애영
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Abstract
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There are diverse neurologic manifestations in patients with idiopathic or pseudohypoparathyroidism. Although one knows that hypocalcemia provokes symptoms of tetany, there is little knowldege about the paroxysmal dystonic choreoathetosis (PKC).
We report two patients with paroxysmal symptoms resulting from hypocalcemia associated with idiopathic hypoparathyroidism and pseudohypoparathryoidism respectively, which were misdiagnosed and treated as epilepsy. They showed repetitive
paroxysmal
dystonic choreoathetotic movements that lasted for several seconds and typically induced by sudden voluntary movement. The neuroimaging showed bilateral symmetrical calcifications, mainly in the basal ganglia.
In the clinical setting, these types of paroxysmal movements may be readily misdiagnosed as partial seizure or tetany. Therefore, not only the laboratory work up for hypocalcemia, but careful history taking and clinical observation is important
in
differential diagnosis of epilepsy and paroxysmal movements in the patient with hypocalcemia.
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KEYWORD
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