Searchable abstracts of presentations at key conferences in endocrinology

ea0070aep235 | Bone and Calcium | ECE2020

The transition range and acceleration from normocalcemia to hypercalcemia in patients with primary hyperparathyroidism: Does it provide a new perspective?

Akdoğan Leyla , Aydin Cevdet , Bașer Hüsniye , Çuhacı Seyrek Neslihan , Ersoy Reyhan , Cakir Bekir

Objective: Primary hyperparathyroidism (PHPT) is a clinical condition characterized by hypercalcemia-specific symptoms and signs caused by excessive secretion of parathormone. After the evaluation of blood calcium measurements within routine tests, the frequency of hyperparathyroidism increased and there is a marked decrease in the frequency of classical symptoms and signs. Recently, most PHPT cases are detected in the asymptomatic period, and which of these asymptomatic patie...

ea0070ep469 | Thyroid | ECE2020

Nivolumab induced relapse of graves’ disease: A case report

Evranos Ogmen Berna , Ali Tam Abbas , Aydin Cevdet , Dirikoç Ahmet , Baser Husniye , Ersoy Reyhan , Cakir Bekir

Background: Immune checkpoint inhibitors, including anti-programmed cell death-1 (PD-1) antibodies, have become promising treatments for a variety of advanced malignancies. Nivolumab, an anti–PD-1 monoclonal Ab, is an effective treatment of unresectable metastatic melanoma, non–small cell lung cancer, renal cell carcinoma, head and neck cancer, Hodgkin lymphoma, and gastric cancer. These medicines can cause immune-related adverse events (irAEs), including endocrino...

ea0026p230 | Pituitary | ECE2011

Comparison of GH suppression response after oral and intravenous glucose tolerance tests in healthy subjects

Aydin Cevdet , Ersoy Reyhan , Ozdemir Didem , Cuhaci Neslihan , Arpaci Dilek , Usluogullar Alper , Ustu Yusuf , Baser Husniye , Dirikoc Ahmet , Cakir Bekir

Introduction: In this study, we aimed to compare GH values obtained in oral glucose tolerance test (OGTT) and intravenous glucose tolerance test (IVGTT) in healthy individuals.Material and methods: Data of 18 healthy volunteers were analysed (10 male and 8 female). Firstly all subjects were evaluated with 75 g oral glucose tolerance test. In another day, intravenous glucose tolerance test was performed. Serum glucose, insulin and GH levels obtained durin...

ea0016p32 | Adrenal | ECE2008

Assessment of left ventricular functions by tissue Doppler echocardiography in patients with Cushing's disease

Bayram Nihal Akar , Ersoy Reyhan , Aydin Cevdet , Gul Kamile , Keles Telat , Topaloglu Oya , Durmaz Tahir , Bozkurt Engin , Cakir Bekir

Objective: To verify whether tissue Doppler imaging (TDI) could contribute to a better understanding of the natural history of cardiomyopathy in active Cushing’s disease (CD), through its enhanced sensitivity to diastolic dysfunction, and identifying preliminary regional signs of systolic dysfunction, before the appearance of clinical symptoms of cardiac pathologies.Methods: Eleven women with newly diagnosed CD, and 15 control cases, purposely match...

ea0016p767 | Thyroid | ECE2008

Case report: subcapsular hematoma complication during percutaneous laser ablation (PLA) to a hypoactive benign solitary thyroid nodule, and literature review of PLA- related complications

Cakir Bekir , Gul Kamile , Ersoy Reyhan , Topaloglu Oya , Agac Tuba , Aydin Cevdet , Dirikoc Ahmet , Gumus Mehmet , Korukluoglu Birol , Kusdemir Ahmet

Objective: Ultrasound (US) guided percutaneous laser ablation (PLA) is a new procedure utilized to decrease nodule volume in symptomatic thyroid nodules, to provide euthyroidism in autonomous hyperfunctioning thyroid nodules, and to decrease compressive symptoms palliatively in malignant nodules. Standard treatment protocol in symptomatic benign hypoactive thyroid nodules is surgery, if needed LT4 suppression, and radioiodine treatment in certain applications. We applied PLA t...

ea0056gp224 | Thyroid Cancer - Diagnostics & Treatments | ECE2018

Association between preoperative thyrotrophin and clinicopathological and aggressive features of papillary thyroid cancer

Ali Tam Abbas , Ozdemir Didem , Aydin Cevdet , Bestepe Nagihan , Ulusoy Serap , Sungu Nuran , Ersoy Reyhan , Cakir Bekir

Aim: We aimed to investigate the relation between preoperative serum thyrotrophin (TSH) and clinicopathological features in patients with papillary thyroid carcinoma (PTC) and microcarcinoma (PTMC).Methods: Patients who underwent thyroidectomy and diagnosed to have benign nodular disease or PTC/PTMC in our clinic were evaluated retrospectively. Patients with a previous history of thyroid surgery, patients using antithyroid medications or thyroid hormone ...

ea0056p623 | Calcium ' Vitamin D metabolism | ECE2018

Frequency of multiple endocrine neoplasia-1 in patients with primary hyperparathyroidism

Bilginer Muhammet Cuneyt , Aydin Cevdet , Faki Sevgul , Topaloglu Oya , Saat Hanife , Cavdarli Busranur , Ersoy Reyhan , Cakir Bekir

Aim: Multiple endocrine neoplasia-1 (MEN-1) is described in patients as presence of clinical two or more primary MEN-1 associated tumors or patients who have MEN-1 clinics and also have family members with MEN-1 associated tumors. It is associated with loss of activation genetic mutation in a tumor suppressor gene called Menin. MEN-1 is associated with tumors involving the parathyroid glands, anterior hypophysis, and pancreatic islet cells. Primary hyperparathyroidism (PHPT) i...

ea0056p1179 | Thyroid cancer | ECE2018

A rare case of mixed medullary and papillary thyroid carcinoma related with heterozygous VAL804MET mutationa rare case of mixed medullary and papillary thyroid carcinoma related with heterozygous VAL804MET mutation

Guler Bagdagul Yuksel , Faki Sevgul , Aydin Cevdet , Yalcin Abdussamed , Yavuz Huban Sibel Orhun , Ersoy Reyhan , Cakir Bekir

Introduction: Papillary thyroid carcinoma(PTC) and medullary thyroid carcinoma(MTC) have always been considered different tumors. Concomitant presence of MTC and PTC in the same patient is a rare clinical event.Case report: A 43 year-old woman admitted with fatigue, a serum thyrotropin of 4.6 uIU/ml and a 15×11 mm thyroid nodule in right lobe detected in another center. Fine needle aspiration(FNA) of the nodule was consistent with MTC. In family his...

ea0073aep872 | Late Breaking | ECE2021

A rare cause of malignant pleural effusion: Poorly differentiated thyroid carcinoma

Helvaci Burcak , Karaahmetli Gulsum , Sacikara Muhammet , Cuhaci Seyrek Neslihan , İrem Serifoglu , Aydin Cevdet , Topaloglu Oya , Ersoy Reyhan , Cakir Bekir

PurposePoorly differentiated thyroid carcinoma (PDTC); is a rare type of thyroid cancer with a high risk of recurrence, metastasis, and death. Pleural effusion due to thyroid cancer has seldom been reported. In this report, we present a case with PDTC related malignant pleural effusion.CaseA 66-year-old male patient presented with neck swelling and shortness of breath. At another center, thyroid ultrasonograp...

ea0073aep884 | Late Breaking | ECE2021

A tru-cut biopsy proven rare thyroid neoplasia in a giant nodule with a benign fine needle aspiration cytology

Leyla Akdoğan , Ahmadova Konul , Bestepe Nagihan , Burcak Polat Sefika , Dilek Imdat , Aydin Cevdet , Topaloglu Oya , Ersoy Reyhan , Cakir Bekir

IntroductionExtramedullary plasmacytoma (EMP) is a plasma cell neoplasm of extraosseous tissues. Less than 5% of all plasma cell neoplasms develop extramedullary. EMP is most common in the upper respiratory tract and oral cavity. The thyroid gland is one of the extremely rare regions. It is more common in men and the average age at diagnosis is 55. Primary thyroid plasmacytoma is one of the rare thyroid neoplasms. It often manifests as a rapidly growing ...