“…Amifostine is a cytoprotective agent that showed initial success at attenuating salivary gland toxicity of 131 I therapy in preclinical and early clinical investigations (Bohuslavizki et al., ; Kutta et al., ). However, with unclear evidence of radioprotection in randomized controlled clinical trials (Kim et al., ; Ma, Xie, Chen, Wang, & Zuo, ; Ma, Xie, Jiang, Wang, & Zuo, ), additional studies are warranted to confirm or refute its benefits. Usefulness of salivary endoscopy (sialendoscopy) in relieving obstructive symptoms and improving salivary flow in 131 I‐induced sialadenitis was demonstrated in previous studies (Nahlieli & Nazarian, ; Strychowsky, Sommer, Gupta, Cohen, & Nahlieli, ).…”