Attenuation correction in pulmonary and myocardial single photon emission computed tomography.
Popular Abstract in Swedish I nuklearmedicinska mätningar registreras förekomsten av en radioaktiv substans, vilken tillförts kroppen, via de fotoner som substansen utsänder. I denna studie har använts tomografisk nuklearmedicinsk teknik, SPECT, som ger information om regional fördelning av radioaktivitet i tre dimensioner. Aktivitetsfördelningen avspeglar någon fysiologisk funktion, exempelvis geThe objective was to develop and validate methods for single photon emission computed tomography, SPECT, allowing quantitative physiological and diagnostic studies of lung and heart. A method for correction of variable attenuation in SPECT, based on transmission measurements before administration of an isotope to the subject, was developed and evaluated. A protocol based upon geometrically well de
