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Table 3 Energy window settings for 131I [37], 177Lu [38], and 188Re [39] used in the experimental acquisitions and in the simulations

From: Determination of gamma camera calibration factors for quantitation of therapeutic radioisotopes

Isotope Photopeak window (PW)
[keV]
Lower scatter window (LSW)
[keV]
Upper scatter window (USW)
[keV]
Center Range Center Range Center Range
131I 364 328–400 317 306–328 411 400–422
177Lua 208 187–229 167 146–187 249 229–270
188Re 155 140–171 136 132–140 175 171–178
  1. aFor experiments acquired at Quebec (experiment D), the range of LSW and USW were 166–187 and 229–250, respectively