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Titolo:
Asymmetric tonic seizures with bilateral parietal lesions resembling frontal lobe epilepsy
Autore:
Ikeda, A; Matsumoto, R; Ohara, S; Kunieda, T; Shirakashi, Y; Kaji, R; Fukuyama, H; Shibasaki, H;
Indirizzi:
Kyoto Univ, Sch Med, Dept Neurol, Sakyo Ku, Kyoto 606, Japan Kyoto Univ Kyoto Japan 606 Med, Dept Neurol, Sakyo Ku, Kyoto 606, Japan Univ Sch Med, Human Brain Res Ctr, Dept Brain Pathophysiol, Sakyo Ku, Sapporo, Hokkaido 060, Japan Univ Sch Med Sapporo Hokkaido Japan 060 Ku, Sapporo, Hokkaido 060, Japan
Titolo Testata:
EPILEPTIC DISORDERS
fascicolo: 1, volume: 3, anno: 2001,
pagine: 17 - 21
SICI:
1294-9361(200101/03)3:1<17:ATSWBP>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
STARTLE EPILEPSY; MANIFESTATIONS; SURGERY;
Keywords:
tonic seizures; biparietal lesions; intractable partial epilepsy;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Clinical Medicine
Citazioni:
15
Recensione:
Indirizzi per estratti:
Indirizzo: Ikeda, A Kyoto Univ, Sch Med, Dept Neurol, Sakyo Ku, Shogoin, Kyoto 606, Japan Kyoto Univ Shogoin Kyoto Japan 606 Ku, Shogoin, Kyoto 606, Japan
Citazione:
A. Ikeda et al., "Asymmetric tonic seizures with bilateral parietal lesions resembling frontal lobe epilepsy", EPILEPT DIS, 3(1), 2001, pp. 17-21

Abstract

We performed long-term video/ EEC monitoring and a single photon emission computed tomographic (SPECT! study to clarify generating mechanism of bilateral tonic motor seizures resembling seizures generated by the supplementary motor area (SMA), in patients with bilateral parietal lesions. We describe 2 patients (age 24 and 32 years), with bilateral parietal lesions. Clinically, seizures were preceded by lightning sensation in the body, followed by asymmetric tonic posturing of both hands and thrashing movements of the feet, lasting for less than 1 min. Ictal rhythmic (7-15 Hz) activity at the vertex was observed on the EEC in1 patient. Interictal SPECT in 2 patients showed decreased blood flow in both parietal areas, consistent with bilateral parietal abnormalities on T2-and T1-weighted MRIs. Ictal SPECT in 1 patient showed increased blood flowin the right parietal and frontopolar areas. The present 2 patients had clinically asymmetric tonic seizures, most likely resulting from spreading of the ictal activity from the parietal lesionsvia the superior longitudinal fasciculus to the SMA. Bilateral, homologouslesions in the parietal area might cause disinhibition on the unilateral epileptogenic side.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/04/20 alle ore 20:57:10