Endocrine Abstracts

Background: Recent studies suggest that metformin (MF) may reduce TSH concentration. This fact could imply a dosage reduction of levothyroxine among those hypothyroid patients taking metformin.Aim: To determine, in a retrospective analysis, the impact of metformin in thyroidectomized patients (a condition not influenced by endogenous thyroid hormone production) on levothyroxine replacement.Patients and methods: One hundred ninety t...

Background: 131I-norcholesterol scintigraphy (INCS) is currently not considered a main confirmatory and localizing study in primary aldosteronism (PA), however few recent data is available. On the other hand, adrenal venous sampling (AVS) is technically difficult, and may also lead to erroneuos diagnosis.Aim: To describe the performance of INCS, done under dexamethasone (DXM) supression, in daily practice.Patients and methods: Retr...

Background: The cortisol suppression test with 1 mg dexamethasone (DST) is a screening test for hypercortisolism with high sensitivity (95%) for serum cortisol cut-off <1.8 μg/dl. However, cortisol tests may give false positive in patients with severe obesity (SO). On the other hand, bariatric surgery (BS) is the most effective treatment for SO, and the operated population is growing. At present there is no reliable data regarding the impact of BS on DST results in pa...

Introduction: Incidental focal uptake in the thyroid gland is detected in 1%–2% of 18FDG-PET examinations. FNA is recommended due to an increased risk of malignancy (25–50%), but these figures are extracted from the studied cases (about a half). Moreover there is controversy about the maximum standardized uptake value (Suvmax) ability to discriminate between benign or malignant nodules.Methods: We retrospectively reviewed 4207 FDG-PE...

Background: Classic 21-hydroxylase deficiency, due to severe mutations in CYP21B gene, is an uncommon disease (1/ 150 000). Salt-wasting form accounts for 75% of the cases and turns up with gluco- and mineralocorticoid deficiency as well as feminine hermaphroditism. Although wide psycho-social repercussion especially in women is known, the rarity of the disease and losses in follow-up may lead to a scarce clinical experience. We present 3 adult patients with CAH- SW followed r...

Despite advances in the management of last years, diabetes and its complications are still the most frequent cause of admission in Endocrine Departments. Nowadays, in our Hospital, 60% of admissions are due to Diabetes, and more than a half of these are diabetic ketoacidosis (DKA) (35.4%).Objective: Analize DKA episodes in our medical area in the last 12 years and compare them divided in two periods.Methods: Divide DKA episodes in ...

Objective: Pituitary apoplexy (PA) is a rare, sometimes life-threatening clinical syndrome. However, some cases are subclinical (SPA), just revealed by MR performed during the follow-up of known pituitary adenomas or due to other conditions. Our aims were to describe the clinical characteristics and evolution of the patients with SPA compared with patients with acute PA (APA). We also compare the results of surgery vs conservative management in the APA group.<p class="abst...

BackgroundThymic neuroendocrine tumor (THY-NET) accounts for almost 20% of multiple endocrine neoplasia type 1 (MEN1)-associated mortality. Diagnosis at early tumor stage is associated with improved survival.ObjectiveTo study the prevalence, clinical features and prognosis of THY-NET in MEN 1. To describe the overall causes of death among the registered MEN1 patients. To compare and discuss our results with t...

BackgroundTranssphenoidal surgery is in general the preferred first-line treatment for patients with macroadenomas except for prolactinomas, which is mainly indicated when the treatment with dopamine agonists (DA) fails. However, in those patients resistant to DA (i.e. volume reduction ObjectiveTo identify predictors of DA resistance in order...

Introduction / Background: Patients with advanced GEP-NENs often present with metabolic disorders and oncological treatments may increase malnutrition risk as well as alterations on body composition. Several studies have suggested that sarcopenia is independently associated with a worse prognosis in oncological patients. Sarcopenia predicts survival regardless of body weight; moreover, a reduced muscle mass is not only observed in cachectic individuals but also in overweight p...