Endocrine Abstracts

Introduction: The predictors of malignancy are important for decision of appropriate management in nodules with atypia of undetermined significance/follicular lesion of undetermined significance (AUS/FLUS). Our aim was to determine the ultrasonographical, clinical and biochemical predictors of malignancy in these patients.Methods: A total of 427 patients with Bethesda Category III (AUS/FLUS) thyroid nodules were included in this retrospective study. We d...

Introduction: Atypia of undetermined significance/follicular lesion of undetermined significance (AUS/FLUS) termed as Bethesda Category III constitute 15–30% of thyroid cytology. However, the risk of malignancy in this heterogenous category is estimated as 5–15%. The recent studies has been reported the malignancy rate in the wide range of 6–48%. This causes surgical approach variability between different centers. We aimed to evaluate the initial malignancy rate...

Introduction: Thyroid tumors of uncertain malignant potential (TT-UMP) has been accepted as a subgroup of follicular-patterned thyroid tumors for which benignancy or malignancy cannot be assessed exactly. We aimed to evaluate demographic characteristics, ultrasound (US) findings, and cytological results of patients with TT-UMP and compare these findings with the classical variant of papillary thyroid carcinoma (CV-PTC) and non-encapsulated follicular variant of PTC (NEFV-PTC) ...

Introduction: In recent years, due to the improvements in ultrasonography (US), it has become possible to gain more information about the papillary throid carcinoma (PTC) and papillary tyroid microcarcinoma (PTMC). However, whether PTC and PTMC exhibit the same ultrasonographic features and behave same features is controversial. We aimed to evaluate the patients diagnosed with PTC and PTMC in terms of clinical, ultrasonographical (US) and histopathological features and their r...

Introduction: Phaeochromocytomas (PHEO) are diagnosed with classic findings and symptoms but biochemical confirmation must be made. Either urinary or plasma chatecholamines and metanephrines can be used for biochemical evaluation. Normal values rule out the diagnosis, whereas fourfold increase above the upper limit of normal confirm the diagnosis. But value of borderline or less than fourfold elevations in the diagnosis is not clear. We aimed to determine the urinary fractiona...

Introduction: Acromegaly is a chronic disease caused by excessive secretion of growth hormone (GH), and as a result, of insulin-like growth factor-1 (IGF1). Although controversial, frequency of both benign and malignant neoplasm formation is thought to be increased in acromegalic patients. Pleomorphic adenoma is the most common arising tumour from the parotid salivary gland. Here we report the case of a 33-year-old woman with acromegaly and also who presented with a swelling o...

Introduction: Dexamethasone Suppression Test (DST) is a useful approach in diagnosis and differential diagnosis of Cushing Syndrome (CS) despite its limitations. One of the major limitations is the difficulty to provide standard suppression dose depending on the variability of gastrointestinal absorption. One solution is for this testing serum Dexamethasone levels or test it with intravenous (iv) Dexamethasone In this case, we examined 3 patients to whom we applied intravenous...

Objective: Hypopituitary patients receiving convensional hormone substitution, but without growth hormone (GH) replacement, have an increased mortality from cardiovascular disease. The aim of the present study was to assess the heart rate variability(HRV) in hypopituitary patients with severe GH deficiency.Material and method: Thirty-five patients (20 women, 15 men, aged 23-75 years) with severe GH deficiency, all of 35 patients with low insulin-like gro...

Introduction: Bisphosphonates are the most commonly used drugs for the treatment of osteoporosis and have been shown to improve bone mineral density and reduce fractures. However, approximately a decade ago, atypical femoral shaft fractures were found to be a rare complication of bisphosphonate treatment. Atypical Femoral Fractures (AFF) represent fractures located between the lesser trochanter and the supracondylar flare of a femur. An increasing pool of evidence supports the...

Introduction: Parathyroid carcinoma (PC) mediated hypercalcemia is often severe and more resistant to medical treatment. 18F-Fluorocholine PET/CT is a new technique used for determining the localization of parathyroid lesions. Denosumab, novel antiresorbtive agent, has been shown to have a useful role in hypercalcemia treatment. We report a male patient in long-term follow-up of PC who had refractory hypercalcemia due to pulmonary metastases revealed with 18-Fluorocholine PET/...