99mTc-MAA–Based Dosimetry for Liver Cancer Treated Using 90Y-Loaded Microspheres: Known Proof of Effectiveness

TO THE EDITOR: It was with great interest that we read the study by Lam et al. entitled “Prognostic Utility of 90Y Radioembolization Dosimetry Based on Fusion 99mTc-Macroaggregated Albumin–99mTc-Sulfur Colloid SPECT,” published in December 2013 ([1][1]). In this paper, the authors described an