Figure 1: Pharmacokinetics of 131I-mIBG for Patient 1 (A), Patient 2 (B) and Patient 5 (C). Data are shown for the first administration of 131I-mIBG, and are normalized to the injected activity. Dotted points: dose rate measurements; solid line: bi-exponential fitting of data points. Abbreviations: T1eff, effective half-life for the first phase; T2eff, effective half-life for the second phase.