Endocrine Abstracts

Introduction: The gold standard for evaluating Occult Parathyroid Adenomas (OPa) in patients with biochemical pattern of primary hyperparathyroidism (PHPT) is the 99mTc-MIBI parathyroid scan. 18F-Fluorocholine (18F-FCH) PET/CT has been proposed as a potential technique for detection and localization of OPa when 99mTc-MIBI scan is negative or inconclusive.Aims: To evaluate sensitivity and positive predictive value of 18F-Fluorocholine PET/CT in patients w...

Retinoic acid (RA) treatment has been used in the last decade for redifferentiation of metastatic thyroid cancer that have lost radioiodine uptake (RIup) with heterogeneous results.Aim: To evaluate the improvement of RIup after a course of RA treatment.Method: Retrospective analysis of 29 patients with radioiodine negative metastatic disease (17 men /12 women; 22 papillary, 4 follicular and 3 oncocytic tumours). RA was given at a d...