FOLH1 and pachyonychia congenita: In addition, PSMA PET/CT is now considered a promising modality in the primary staging of PC (Hoffmann et al. 2022; Hofman et al. 2020; Emmett et al. 2021; Sachpekidis et al. 2016; Giesel et al. 2018; Sprute et al. 2021), although preoperative PSMA imaging is not yet standard practice in most institutions.