The International Journal of Romanian Society of Endocrinology / Registered in 1938

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  • Endocrine Care

    Ozuguz U, Isik S, Akbaba G, Berker D, Tutuncu Y, Aydin Y, Guler S

    Evaluation of the relation between primary hyperparathyroidism and concomitant thyroid disease

    Acta Endo (Buc) 2010 6(2): 191-202 doi: 10.4183/aeb.2010.191

    Objective. Thyroid diseases coexisting with primary hyperparathyroidism (PHPT) may individually change the diagnosis, treatment and follow-up of the patients. In our study, we aimed to investigate the thyroid diseases coexisting with PHPT and the relation between\r\nthese two clinical situations.\r\nMethods. We retrospectively investigated 255 patients who were diagnosed as PHPT between 2004-2009 in our clinic. The general characteristics of the patients, laboratory tests,\r\nwhich were performed preoperatively, neck ultrasonography, thyroid and parathyroid scintigraphy and fine needle aspiration biopsy (FNAB) results were assessed. Cytological\r\nresults of the nodules with preoperative FNAB were compared with the postoperative histological results.\r\nResults. Of the patients, 49 were male (19.2%) and 206 were female (80.8%). Mean age was 54.5?12.8. Bilateral neck exploration (BNE) was performed on 69 cases (27%),\r\nminimal invasive parathyroidectomy (MIP) on 78 cases (30.5%) and BNE plus thyroidectomy on 108 cases (42.5%). When all thyroid diseases were taken into account,\r\nprevalence of the coexisting thyroid disease was 65%, prevalence of nodular thyroid disease 52.1%, thyroid cancer 16.7% and thyroid dysfunction 11.8%. The mean age of the patients with a nodular goitre was significantly higher than of the patients who did not have nodules\r\n(p<0.001). General demographic data, calcium and PTH levels did not show any difference. Number of nodules was correlated with age (p<0.001, r=0.227).\r\nConclusion. The relation between PHPT and nodular thyroid diseases is coincidental and this can be explained by the fact that both diseases occur in advanced age.
  • Case Report

    Isik S, Berker D, Aydin Y, Ozuguz U, Tutuncu Y, Simsek Y, Guler S

    Severe hyperkalemia without electrocardiographic changes in a patient with Addison disease

    Acta Endo (Buc) 2010 6(2): 251-255 doi: 10.4183/aeb.2010.251

    Objective. Hyperkalemia is one of the most common acute life-threatening metabolic emergencies. Alterations in serum potassium (K+) levels can have dramatic effects on\r\ncardiac cell conduction and may lead to electrocardiographic (ECG) changes. But in some\r\npatients ECG changes do not accompany serum K+ abnormalities. Severe hyperkalemia secondary to Addison Disease (AD) is rare.\r\nCase. A 40-year-old woman with AD was admitted to emergency service with generalized pain. The patient?s serum K+ level was found to be at the highest level that can be detected in our laboratory (>10.0 mmol/L, normal 3.5-4.5 mmol/L) and repeated serum K+ confirmed the previous result. Results of repeated ECGs have revealed a normal sinus rhythm. Our case is particularly interesting because it demonstrates an Addison patient that has an extremely high level of K+ (>10 mmol/L) without any accompanying ECG changes.\r\nConclusion. Our case confirms that diagnostic ECG changes do not always accompany severe hyperkalemia. Therefore, clinicians should be careful that ECG may look\r\nnormal in the presence of severe hyperkalemia.
  • Perspectives

    Koseoglu D, Ozdemir Baser O, Berker D, Guler S

    Exenatide Treatment Reduces Thyroid Gland Volume, but Has No Effect on the Size Of Thyroid Nodules

    Acta Endo (Buc) 2020 16(3): 275-279 doi: 10.4183/aeb.2020.275

    Context. Exenatide is a Glucagon-like Peptide-1 receptor agonist, which is widely used for type 2 diabetes mellitus (T2DM). Limited and conflicting results are present about the effect of exenatide on the thyroid gland. Objective. The aim of this study was to evaluate the effect of exenatide treatment on structural and functional features of the thyroid gland in patients with T2DM. Design. The study was a prospective study, performed between 2015 and 2017. The laboratory values and thyroid ultrasonography features were compared before and after exenatide treatment. Subjects and Methods. The study included 39 obese diabetic patients. After inclusion to the study exenatide was started and patients were followed up for 6 months. Total thyroid volume, thyroid function tests, serum carcinoembryonic antigen (CEA) and calcitonin levels, the size and appearance of thyroid nodules were compared between baseline and after 6 months of treatment. Results. Exenatide at a dose of 5μg bid was started, increased to 10 μg bid after 4 weeks. We found a statistically significant decrease in thyroid volume (p=0.043) and serum thyroid stimulating hormone (TSH) levels (p=0.007), whereas serum ATPO. ATGl, fT4, fT3, CEA and calcitonin levels did no change with 6 months of exenatide treatment. There were no significant differences in the size and appearance of the thyroid nodules with treatment. The thyroid volume decrease was not correlated with TSH, body mass index and HbA1c reduction. Conclusion. Exenatide treatment for 6 months decreased serum TSH levels and thyroid volume, but had no effect on thyroid nodules and serum CEA and calcitonin levels.
  • Case Report

    Berker D, Aydin Y, Isik S, Soylemezoglu F, Tutuncu Y, Berker M, Delibasi T, Guler S

    Cushing disease associated with Rathke's cleft cyst

    Acta Endo (Buc) 2010 6(3): 371-376 doi: 10.4183/aeb.2010.371

    Objective: Co-existence of Cushing disease and Rathke?s Cleft Cyst (RCC) has been reported in a few cases in the literature so far. We herein describe a rare condition of Cushing disease that might originate from epithelium of RCC. \r\nCase: A 48-year-old woman was admitted to the hospital with complaints of headache, weakness, and weight gain. The patient underwent endoscopic transsphenoidal surgery due to Cushing Disease. Histopathological examination revealed cyst contents and walls compatible with RCC, and normal adenohypophysis and neurohypophysis tissues. Immunhistochemical staining with ACTH, GH, and prolactin were positive on the epithelium of the cyst. \r\nConclusion: In our case Cushing disease might be associated with hormonal activity derived from cyst wall of RCC or disappearance of a small microadenoma during surgical or pathological processing. According to recent data, origin of this lesion and histogenetic link between RCC with Cushing disease could not be explained.
  • Endocrine Care

    Ozler S, Oztas E, Guler BG, Alci M, Caglar AT, Danisman N

    Are the Factors Affecting Adverse Pregnancy Outcomes Different in Obese Gestational Diabetes Pregnant Women Receiving Diet or Insulin Treatment?

    Acta Endo (Buc) 2019 15(4): 472-481 doi: 10.4183/aeb.2019.472

    Context. We aimed to examine the factors affecting adverse gestational outcome in gestational diabetes (GDM) patients, who were grouped as obese and normal- weight, having only-diet, or insulin treatments. Subjects and Methods. The study included 373 patients, treated with diet or insulin. These patients were sub-grouped as obese and non-obese, and examined retrospectively. The variables affecting adverse gestational outcome in obese GDM patients having dietary and/ or insulin treatments were detected with multiple regression analysis. Results. The weight gained during pregnancy in the GDM group having insulin treatment was more than the one in only-diet treated GDM group (p=0.004). Pre-pregnancy body mass index, the weight gained during pregnancy, hemoglobin A1C levels in the second and third trimesters, caesarian rates were higher in the insulin-treated obese patients than in the other groups (p<0.001). The odds ratio for fasting blood glucose level in insulin-treated obese GDM group was 1.081 (95% CI =1.004 - 1.163) (p=0.039); and it was 0.982 (95% CI =0.924 - 1.002) (p=0.048) for the weight gained during pregnancy, in only-diet treated obese GDM patients. Conclusion. The control of weight gained during pregnancy, and of fasting blood glucose levels in obese patients having GDM, is important to decrease adverse gestational outcome.