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KMID : 1148920140480020157
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Nuclear Medicine and Molecular Imaging
2014 Volume.48 No. 2 p.157 ~ p.160
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A Case of Habitual Neck Compression Induced Electroencephalogram Abnormalities: Differentiating from Epileptic Seizures Using a Tc-99m HMPAO SPECT
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Choi Hong-Yoon
Seo Min-Seok
Lee Ho-Young
Kim Young-Soo
Yun Chang-Ho
Kim Sang-Eun
Park Sung-Ho
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Abstract
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Self-induced hypoxia has been reported particularly in adolescents, and it can result in neurological injury. Here, we present a case of electroencephalogram (EEG) abnormalities induced by habitual neck compression differentiated from epileptic seizures by Tc-99m HMPAO SPECT. A 19-year-old male was admitted for evaluation of recurrent generalized tonic-clonic seizures. No interictal EEG abnormality was detected; however, abnormal slow delta waves were found immediately after habitual right neck compression. To differentiate EEG abnormalities due to a hemodynamic deficit induced by habitual neck compression from an epileptic seizure, Tc-99m HMPAO SPECT was performed immediately after right carotid artery compression. Abnormal delta waves were triggered, and cerebral hypoperfusion in the right internal carotid artery territory was detected on Tc-99m HMPAO SPECT. The slow delta wave detected on the EEG resulted from the cerebral hypoperfusion because of the habitual neck compression.
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KEYWORD
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Habitual neck compression, Tc-99m HMPAO SPECT, Electroencephalogrm, Seizure
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