Okihiro Hikosaka

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To investigate the mechanism underlying sulpiride-induced catalepsy, we simultaneously examined cataleptic behavior and the kinetics of the dopamine receptor antagonist, sulpiride of dopamine, and the dopamine metabolite 3,4-dihydroxyphenylacetic acid (DOPAC), using in vivo voltammetry. After intrastriatal administration of sulpiride to freely moving rats,(More)
Three cases of duodenal myogenic tumor are described in detail. All the three were surgically treated and the final diagnoses were histologically established. The three consisted of two leiomyomas and one leiomyosarcoma. To make clinical diagnosis, roentgenologic, endoscopie, and angiographie examinations were empolyed. The selective angiography was more(More)