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FP/CIT SPECT acquisition in two patients (PtB, PtD) chronically treated with apomorphine. Baseline SPECTs were acquired 6 years before, second acquisitions were obtained during chronic treatment. Notice that BP decay is in the range (Table 3) expected for the time lapsed from first acquisition, and the BP values are multiples of values (4–5 times) observed during AC (Figures 1 and 2). AC = akinetic crisis, BP = binding potential, SPECT = single-photon emission computerized tomography.
