Endocrine Abstracts

Introduction: Hypothyroidism treatment is classically based on levothyroxine (LT4). However, 10% of hypothyroid patients treated with LT4 complain of hypothyroidism symptoms, despite normal thyroid stimulating hormone (TSH) serum levels. This ”peripheral hypothyroidism” has been linked to decreased availability of free triiodothyronine (fT3), likely related to single nucleotide polymorphisms (SNP) in deiodinase genes (DIO), reducing enzymatic activity. Since...

Context: Amiodarone is a widely used anti-arrhythmic medication, however associated with a 15-20% rate of thyroid adverse effects. Amiodarone-induced thyrotoxicosis (AIT) is a complex disease due to diagnostic difficulties and therapeutic challenges. AIT patients often receive initial therapy for thyrotoxicosis before admission to a referral center. Whether the first-line medical therapy (i.e. therapies for thyrotoxicosis at first diagnosis of AIT) may affect the outcome of AI...

Background: Immune checkpoint inhibitors (ICIs) have modified the outcome of several advanced malignancies. Thyroid dysfunctions (DYSTHYR) are the most common endocrine immune-related adverse events (IRAEs) during treatment with the programmed cell death protein-1 (PD-1) and its ligand (PD-L1) inhibitors. Data regarding predictive biomarkers enabling stratification of DYSTHYR risk are still limited.Patients and methods: We retrospectively analyzed patien...

Background: Postpartum depression (PPD) is a common mental health disorder with a major impact on maternal health and wellbeing and offspring development. Thyroperoxidase antibody (TPOAb) positivity is a major risk factor for postpartum thyroiditis and via this link, it is hypothesized that TPOAb positivity is a risk factor for PPD. However, the results of currently available single center studies are heterogeneous and affected by major study limitations.<p class="abstext"...

Objectives: Despite the increasing role of molecular profiling, the association between mutation expression and pre-operative cytology for thyroid nodules has not been established.Methods: We collected data on patients who underwent molecular profiling of thyroid nodules in Bethesda categories III to VI from two tertiary academic hospitals and via systematic literature review. We tested the associations between Bethesda categories and molecular mutation ...

Introduction: medullary thyroid carcinoma (MTC) is a neuroendocrine thyroidal cancer. World Health Organization recognizes a grading system for almost all neuroendocrine tumors; however, a shared grading system for MTC is still lacking. We performed a clinical and pathological review of 257 MTCs to evaluate which histologic features have an impact on the disease specific survival and to propose a new grading system.Method: We retrospectively reviewed cli...