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. 2021 Jan 21;23(4):560–571. doi: 10.1007/s11307-020-01575-9

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© The Author(s) 2021

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Fig. 3. — SA-IRF parametric mapping and TSPO blocking. a, b SA-IRF (1/min). c, d SA blood volume fraction (unitless). e, f Number of components. The images show a representative subject from a [11C]PBR28 PET imaging study before (top row) and after (bottom row) XBD173 blocking. No visualisation filter is applied.