SERPINF1 and Vestibular schwannoma: The finding of increased Fetuin-A and PEDF in the cochlea after furosemide exposure and the information of their anti-inflammatory and protective functions suggest a possible causal effect behind the observed correlation of high Fetuin-A in perilymph and preserved hearing in vestibular schwannoma patients (Edvardsson Rasmussen et al., 2018).