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The aim of this comprehensive encyclopedia is to provide detailed information on diagnostic radiology contributing to the broad field of imaging. The wide range of entries in the Encyclopedia of Diagnostic Imaging are written by leading experts in the field. They will provide basic and clinical scientists in academia, practice, as well as industry, with valuable information about the field of diagnostic imaging, but also people in related fields, students, teachers, and interested laypeople will benefit from the important and relevant information on the most recent developments of imaging. The Encyclopedia of Diagnostic Imaging will contain around 3 559 entries in two volumes, and published simultaneously online. The entire field has been divided into 15 sections consisting of 529 fully structured essays and 2147 short definitions. All entries will be arranged in alphabetical order with extensive cross-referencing between them.
Gilles de la Tourette Syndrome (TS) is a common, albeit severely under-diagnosed, neuropsychiatric disorder that is caused by a complex genetic basis, interacting with environmental factors. High comorbidity rates with other neurodevelopmental disorders such as attention deficit/hyperactivity disorder and obsessive compulsive disorder raise the intriguing hypothesis of a shared etiological background. Abnormalities of corticostriatal-thalamic-cortical circuits (CSTC) and dysfunction of both dopamine and serotonin neurotransmitter systems are assumed to be associated with TS. Recently, multiple lines of evidence also point towards an important role of additional neurotransmitters such as hist...
Im Zuge der Implementierung der DAT-Untersuchung an den neuen SPECT-CT Systemen der Nuklearmedizin (Siemens Symbia T6) hat sich gezeigt, dass eine Reihe von Parametern das Ergebnis der Quantifizierung beeinflusst. Wird die Schw chung von Photonen durch Knochenstrukturen nicht erkannt bzw. ber cksichtigt, f hrt dies zu falsch-positiven Ergebnissen der visuellen und quantitativen Bildanalyse. Gegenstand dieser Studie ist es, den Einfluss der Aufnahmeparameter (Winkelschritte, Kollimator, Messzeit), Streustrahlenkorrektur (optimale Korrekturmethode) und Schw chungskorrektur (optimale Schw chungskorrekturmethode) auf die Bildqualit t von Bildern der Hirnstammganglien zu ermitteln. Zur Ermittlung...
Each volume includes "Wissenschaftliche zeitschriften."