Searchable abstracts of presentations at key conferences in endocrinology

ea0049gp194 | Pituitary & endocrine Tumours | ECE2017

Serotonin, ATRX and DAXX as differential diagnostic markers of neuroendocrine tumours (NETs) in the sellar region. An immunohistochemical study in a large series of pituitary adenomas and in a non-pituitary NET

Casar-Borota Olivera , Botling Johan , Granberg Dan , Wikstrom Johan , Ponten Fredrik , Trouillas Jacqueline

We present a case of a patient with a locally invasive, serotonin- and ACTH-reactive tumour in the sellar region, filling the sphenoid sinus and expanding into the epipharynx. Clinical examination completed by 68-Gallium-DOTA-TOC PET revealed tracer uptake in the sellar tumour as well as in a 7 mm lesion in the pancreatic tail. A differential diagnosis between silent corticotroph adenoma and another primary or secondary neuroendocrine tumour (NET) with ACTH-expression was diff...