Endocrine Abstracts

Background : Parathyroid tumors are considered to be parathyroid neuroendocrine neoplasia (NEN), according to the recent IARC-WHO classification updates. Primary hyperparathyroidism (PHPT) develops commonly in patients with multiple neuroendocrine neoplasia syndromes (MEN), when it occurs along with pituitary, gastro-entero-pancreatic or other NENs. The latter requires total-body 68Ga-DOTA-peptides PET/CT. Its major advantage is to detect additional tumors with other localizat...

Purpose: Inferior petrosal sinus sampling (IPSS) is considered the gold standard test for the differential diagnosis of ACTH-dependent Cushing’s syndrome, but false-negative results have been reported in 1–10% cases. Cavernous sinus sampling (CSS) was suggested as a diagnostic tool in a complex ACTH-dependent Cushing’s syndrome cases.Aim: To study the role of bilateral combined cavernous and inferior petrosal sinus samplin...