Fig. 3From: Gamma camera imaging characteristics of 166Ho and 99mTc used in Selective Internal Radiation TherapyPlanar posterior gamma camera images of the NEMA image quality phantom at a sphere-to-background activity concentration ratio of 8:1. (a) 99mTc with LEHR collimator, (b) 99mTc with MELP collimator, (c) 99mTc with MELP collimator and reduced scan time, (d) 166Ho with MELP collimator, (e) 166Ho with MELP collimator and planar scatter correctionBack to article page