[Review of the system of positron emission tomography and its clinical application].
D000293:Adolescent; D000328:Adult; D001921:Brain / Q000000981:diagnostic imaging*; D002544:Cerebral Infarction / Q000000981:diagnostic imaging; D004827:Epilepsy / Q000000981:diagnostic imaging; D005260:Female; D006801:Humans; D006816:Huntington Disease / Q000000981:diagnostic imaging; D002538:Intracranial Arteriovenous Malformations / Q000000981:diagnostic imaging; D008297:Male; D008875:Middle Aged; D012559:Schizophrenia / Q000175:diagnosis; D014055:Tomography, Emission-Computed / Q000295:instrumentation