<prompt> Most of the incidentalomas areNon-functioning adenomaAdrenocoical carcinomaAdrenal metastasisPheochromocytoma  <response>: An incidentaloma is an adrenal mass, detected incidentally by imaging studies conducted for other reasons, not known previously to have been present or causing symptomsMore than 75 are non-functioning adenomas but Cushings adenomas, phaeochromocytomas, metastases, adrenocoical carcinomas and Conns tumours can all be found this wayRef: Bailey and Love 27e pg: 839 