Endocrine Abstracts

Introduction: We study the calcitonin levels measurement in the washout of FNAB needles after sampling each thyroid nodule (FNAB-CT) as an approach to calcitonin normal value in them and distinguish of MTC and to correlate with serum CT (sCT) and cytology FNAB.Material & Methods: 109 consecutive subjects (mean age 53.7±13.4, range 18–85 yr, 79.8% females, 27.5% smokers, 18.3% autoimmune thyroid disease) initially no suspicious for MTC who u...

Background: Persistent vaginal bleeding can be psychologically stressful and incongruent with gender identity in transgender men (assigned female at birth with male gender identity). Previous studieshave cross-sectionally described amenorrhea in cohorts of transgender men on intramuscular or subcutaneous testosterone injections. It remains uncertain which testosterone preparations most effectively suppress vaginal bleeding and when amenorrhea occurs after testosterone initiati...