Journal
CLINICAL NUCLEAR MEDICINE
Volume 45, Issue 11, Pages E469-E476Publisher
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/RLU.0000000000003183
Keywords
I-123-ioflupane; dopamine transporter; parkinsonism; quantification; SPECT
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Dopamine transporter SPECT with I-123-N-omega-fluoropropyl-2 beta-carbomethoxy-3 beta-(4-iodophenyl) nortropane (I-123-ioflupane) aids in the diagnosis of parkinsonian syndrome by demonstrating loss of striatal dopamine transporters, proportional to nigrostriatal dopaminergic neuronal loss. Quantitative software analysis (QSA) is a helpful adjunct to visual interpretation. An atlas of pearls and pitfalls of QSA is presented. Examples include correction for head tilt/orientation, scaling artifacts, and detection of balanced loss of activity. Additional examples are provided where QSA can potentially fail such as patient variation and vascular disease.
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