POMC and pachyonychia congenita: Interestingly, in 2 of the 51 patients that underwent surgical resection after the SSTR PET/CT, the diagnosis of PC was made during screening in the context of increased ACTH secretion, consistent with the recent literature evaluating the role of SSTR PET/CT in the detection of ectopic ACTH-secreting tumours [39, 40].