Person: ERTÜRK, ERDİNÇ
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ERTÜRK
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ERDİNÇ
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Publication Evaluation of upper gastrointestinal system in acromegaly(Masson Editeur, 2019-09-01) Şişman, Pınar; Pekgöz, Murat; Bayrakçı, Ismail; Şişman, Mete; Cander, Soner; CANDER, SONER; Gül, Özen Öz; ÖZ GÜL, ÖZEN; Ertürk, Erdinç; ERTÜRK, ERDİNÇ; Ersoy, Canan; ERSOY, CANAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi; AAH-8861-2021; AAI-1005-2021; AAJ-6536-2021Purpose. - Acromegaly causes multiple comorbidities, including gastrointestinal disorders. The present study evaluated the frequency of hiatal hernia and other upper gastrointestinal pathologies in patients with acromegaly, given that visceromegaly and reduced nitric oxide levels in acromegaly may impact diaphragm and lower esophageal sphincter function and thus possibly the development of hiatal hernia.Methods. - Thirty-nine acromegaly patients followed our center for the previous 6 months were recruited. Upper gastrointestinal endoscopy was performed once in all patients to evaluate hiatal hernia, esophagitis, gastroduodenitis and ulcer.Results. - Twenty-three patients were male and 16 female. Upper gastrointestinal endoscopy found hiatal hernia, esophagitis and gastroduodenitis or gastric ulcer in 3 (7.6%), 2 (1.7%) and 31 (79.4%) patients, respectively. Pathologic examination of gastric antrum biopsy found intestinal metaplasia in 12 (30.7%) patients, and Helicobacter pylori was positive in 13 (33.3%). There were no significant correlations between age, gender, disease duration or preoperative adenoma size on the one hand and hiatal hernia or other endoscopic findings on the other. Similarly, neither surgical success nor recurrence was associated with endoscopic findings.Conclusions. - The study showed that prevalence of gastritis, duodenitis, peptic ulcer and intestinal metaplasia is higher and prevalence of hiatal hernia lower in acromegaly patients than in the healthy population. Various unknown disease-related pathophysiological conditions may play a role; there is a need for further studies.Publication How the COVID-19 outbreak affected patients with diabetes mellitus?(Springer India, 2021-06-28) Şişman, Pınar; Polat, Irmak; Aydemir, Ensar; Karşı, Remzi; Gül, Özen Öz; Cander, Soner; Ersoy, Canan; Ertürk, Erdinç; AYDEMİR, ENSAR; ÖZ GÜL, ÖZEN; CANDER, SONER; ERSOY, CANAN; ERTÜRK, ERDİNÇ; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Endokrinoloji ve Metabolizma Anabilim Dalı.; 0000-0003-4300-2965 ; AAA-7171-2022 ; GBT-4320-2022 ; CJH-1319-2022 ; AAH-8861-2021 ; AAJ-6536-2021Background Global COVID-19 outbreak has been such a stressful experience for most of the people. Using a web-based cross-sectional study, we aimed to evaluate the acute stress response, depression, and anxiety in patients with diabetes mellitus (DM) during the COVID-19 pandemic, and to examine the effect of these psychiatric problems on diet habits and glycemic controls of patients. Methods This web-based survey of COVID-19 was sent to the patients through the Whatsapp platform. All participants reported their demographic data, diabetes-related information, changes in self-monitoring blood glucose measurements, physical parameters, and eating habits after COVID-19, then completed Hospital Anxiety and Depression Scale (HADS) and the Impact of Event Scale, Revised (IES-R) questionnaires which assessed acute stress sypmtoms, anxiety, and depression. Results Three hundred and four patients with DM [(141 type 1 DM (T1D) and 163 type 2 (T2D)] were included in the study. In our study, female gender, higher BMI and weight, decreased in financial income after outbreak, presence of diabetic complications and comorbid diseases (i.e., retinopathy, neuropathy, diabetic foot, hypertension, dyslipidemia), worsened glycemic levels, increased carbohydrate consumption, and snacking were associated with higher anxiety and depression scores. Depression was higher in patients with T2D and duration of illness was correlated with acute stress level. Conclusions It is important to be aware of the possibility of acute stress, depression, and anxiety after pandemic in patients with DM whose glycemic control is impaired. Psychological problems should not be ignored beyond physical inactivity and worsening eating habits.Publication Demographic and clinical features of medullary thyroid carcinoma(Turkiye Klinikleri, 2020-12-01) Şişman, Pınar; Bicer, Buket; Öztop, Hikmet; ÖZTOP, HİKMET; Gül, Özen Öz; ÖZ GÜL, ÖZEN; Cander, Soner; CANDER, SONER; Ocakoglu, Gokhan; OCAKOĞLU, GÖKHAN; Ersoy, Canan; ERSOY, CANAN; Ertürk, Erdinç; ERTÜRK, ERDİNÇ; Bursa Uludağ Üniversitesi/Tıp Fakültesi; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Endokrinoloji Anabilim Dalı.; 0000-0002-1114-6051; AAH-5180-2021; AAJ-6536-2021; HTQ-8395-2023; AAH-8861-2021; HLG-6346-2023; AAI-1005-2021Objective: Medullary thyroid carcinoma (MTC) is an aggressive neuroendocrine tumor affecting the parafollicular C cells of the thyroid gland. This study aimedto analyze demographic and clinical factors that might affect the prognosis of MTC andevaluate the long-term outcomes of surgery in MTC patients at a single center. Material and Methods: A total of 36 patients with a confirmed MTC diagnosis based on histopathological examination and underwent surgery-during 2000-2015 were examined. Archived files of these patients were reviewed, and data on clinical, biochemical, and radiological test results were assessed. Factors affecting disease-free survival were also evaluated. Results: Theduration of the follow-up of the patients was 80.3 +/- 76.1 months. MEN2A was detected in three patients (8.3%). Twelve patients (33.3%) had metastasis at the time of diagnosis. During the follow-up period, local recurrence was observed in 13 (36.1%) patients. Nine patients (25%) presented metastasis at follow-up. The mean disease-free survival was high in sporadic MTC compared to hereditary MTC. Conclusion: The study observed asignificant contribution to the hereditary nature of the disease on prognosis. However,other prognostic factors such as gender, nodule characteristics, recurrence and metastasis, and treatment modalities did differsignificant. Patients with MTC should be evaluated to know if the disease is sporadic or hereditary. The small sample size in this study restricts the power of statistical analysis;therefore, further prospective studies are necessary to reveal the other contributory prognostic factors in MTC.Publication Adult nesidioblastosis, diagnostic value of the selective arterial calcium stimulation test and perfusion computed tomography. A case report(Editura Acad Romane, 2015-01-01) Cander, S.; Gül, Ö. Öz; Yıldırım-Eryılmaz, N.; Uğraş, N.; Ertürk, E.; Ersoy, C.; ÖZ GÜL, ÖZEN; ERYILMAZ, NERMİN YILDIRIM; UĞRAŞ, NESRİN; ERTÜRK, ERDİNÇ; ERSOY, CANAN; Bursa Uludağ Üniversitesi/Tıp Fakültesi.; AAI-1005-2021; AAH-8861-2021; AAJ-6536-2021; AAH-2716-2021; GKT-3420-2022Endogenous hyperinsulinemia was found in a 38-year-old female patient with recurrent neuroglycopenic symptoms he glucose level was 25 mg/dL, insulin 43.9 mu/mL, C-peptide,54 ng/mL). No lesion was found on imaging tests including ahanced computed tomography (CT) methods performed ith a preliminary diagnosis of insulinoma. A suspicious yperperfusion was present in the pancreatic tail on the erfusion CT examination performed after obtaining approval. he selective arterial calcium stimulation test (SACST) result as consistent with a diffuse disease in the body and tail. The atient underwent partial (75%) pancreatectomy and is now)llowed up as a diabetes patient on intensive insulin treatment the postoperative 38th month.The most common cause of endogenous yperglycemia in hypoglycemia patients is insulinoma. The oninsulinoma pancreatogenous hypoglycemia syndrome NIPHS) is rarely seen in the adult age group. Although invasive, ACST seems to be the most suitable test to differentiate diffuse r multiple disease from insulinoma and to guide the surgery hen advanced radiological imaging methods are inadequate " detect the presence of insulinoma. Regarding perfusion CT, would be more appropriate to wait for comparative data to put forward in a more consistent manner. When no response an be obtained to medical treatment in NIPHS, partial/total ancreatectomy is the most appropriate treatment option as enables recovery from the hypoglycemic episodes despite ading to a significant condition like diabetes.Publication Etiology of hypopituitarism in tertiary care institutions in Turkish population: Analysis of 773 patients from pituitary study group database(Humana Press Inc, 2014-09-01) Tanrıverdi, F.; Dokmetas, H. S.; Kebapçı, N.; Kılıçlı, F.; Atmaca, H.; Yarman, S.; Ertorer, M. E.; Bayram, F.; Tugrul, A.; Culha, C.; Ç,akır, M.; Mert, M.; Aydın, H.; Taşkale, M.; Ersoz, N.; Cantürk, Zeynep; Anaforoğlu, I.; Özkaya, M.; Oruk, G.; Hekimsoy, Z.; Keleştimur, F.; Erbaş, T.; Erturk, E.; ERTÜRK, ERDİNÇ; Bursa Uludağ Üniversitesi/Tıp Fakültesi; AAJ-6536-2021Hypopituitarism in adult life is commonly acquired and the main causes are known as pituitary tumors and/or their treatments. Since there are new insights into the etiology of hypopituitarism and presence of differences in various populations, more studies regarding causes of hypopituitarism are needed to be done in different ethnic groups with sufficient number of patients. Therefore, we performed a multi-center database study in Turkish population investigating the etiology of hypopituitarism in 773 patients in tertiary care institutions. The study was designed and coordinated by the Pituitary Study Group of SEMT (The Society of Endocrinology and Metabolism of Turkey). Nineteen tertiary reference centers (14 university hospitals and 5 training hospitals) from the different regions of Turkey participated in the study. It is a cross-sectional database study, and the data were recorded for 18 months. We mainly classified the causes of hypopituitarism as pituitary tumors (due to direct effects of the pituitary tumors and/or their treatments), extra-pituitary tumors and non-tumoral causes. Mean age of 773 patients (49.8 % male, 50.2 % female) was 43.9 +/- 16.1 years (range 16-84 years). The most common etiology of pituitary dysfunction was due to non-tumoral causes (49.2 %) among all patients. However, when we analyze the causes according to gender, the most common etiology in males was pituitary tumors, but the most common etiology in females was non-tumoral causes. According to the subgroup analysis of the causes of hypopituitarism in all patients, the most common four causes of hypopituitarism which have frequencies over 10 % were as follows: nonsecretory pituitary adenomas, Sheehan's syndrome, lactotroph adenomas and idiopathic. With regard to the type of hormonal deficiencies; FSH/LH deficiency was the most common hormonal deficit (84.9 % of the patients). In 33.8 % of the patients, 4 anterior pituitary hormone deficiencies (FSH/LH, ACTH, TSH, and GH) were present. Among all patients, the most frequent cause of hypopituitarism was non-secretory pituitary adenomas. However, in female patients, present study clearly demonstrates that Sheehan's syndromeis still one of the most important causes of hypopituitarism in Turkish population. Further, population-based prospective studies need to be done to understand the prevalence and incidence of the causes of hypopituitarism in different countries.Publication Evaluation of treatment satisfaction in patients with type 1 diabetes using CSII and MDI(Mary Ann Liebert Inc, 2013-02-01) Cander, Soner; Gül, Özen Öz; Deligönul, Adem; Ersoy, Canan; Ertürk, Erdinç; Tuncel, Ercan; CANDER, SONER; DELİGÖNÜL, ADEM; ERSOY, CANAN; ERTÜRK, ERDİNÇ; Tuncel, Ercan; Uludağ Üniversitesi/Tıp Fakültesi; AAH-8861-2021; AAJ-6536-2021; CJH-1319-2022; JHC-1731-2023; EBN-7188-2022Publication Plasma neprilysin levels in patients with polycystic ovary syndrome(Editura Acad Romane, 2022-01-01) Şişman, P.; Gül, Öz Özen; ÖZ GÜL, ÖZEN; SARANDÖL, EMRE; Cander, Soner; CANDER, SONER; Sarandol, Emre; Ersoy, Canan; ERSOY, CANAN; Ertürk, Erdinç; ERTÜRK, ERDİNÇ; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Tıbbi Biyokimya Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Endokrinoloji Anabilim Dalı.; 0000-0002-1332-4165; AAJ-6536-2021Context. Insulin resistance has been detected in a majority of patients with polycystic ovary syndrome (PCOS). Elevated neprilysin levels are associated with insulin resistance.Objective. The present study aims to investigate plasma neprilysin and its relationship with endocrine and metabolic characteristics in patients with PCOS.Subjects and Methods. Thirty-five premenopausal PCOS patients and 35 healthy volunteers of similar age were included in the study. Demographic characteristics, biochemical and hormonal findings and also plasma neprilysin levels were determined in these patients and healthy controls.Results. In our study, HOMA-IR values were significantly higher in PCOS patients (3.3 +/- 1.8) compared with the controls [(1.6 +/- 1), p<0.01]. Plasma neprilysin levels were significantly higher in the PCOS group compared to the control group (1502.1 +/- 1641.2 vs. 764.6 +/- 562.6 pg/mL). There was no difference in plasma neprilysin levels when PCOS patients were classified as overweight-obesity (BMI=25kg/m(2)) or non-obesity (BMI<25kg/m(2)).Conclusion. Our findings revealed significantly higher levels for plasma neprilysin and HOMA-IR values in PCOS patients when compared to controls. No significant differences were noted between obese PCOS patients and non-obese PCOS patients in terms of plasma neprilysin levels.Publication Spontaneous remission of acromegaly due to apoplexy(Galenos Yayincilik, 2008-01-01) Duran, Cevdet; Ersoy, Canan; ERSOY, CANAN; Kıyıcı, Sinem; Bolca, Naile; BOLCA TOPAL, NAİLE; ERTÜRK, ERDİNÇ; İmamoğlu, Sazi; Tuncel, Ercan; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Endokrinoloji Anabilim Dalı.; ursa Uludağ Üniversitesi/Tıp Fakültesi/Radyoloji Anabilim Dalı.; 0000-0001-9560-180X; AAJ-6536-2021; AAH-8861-2021Pituitary apoplexy is a rare clinical syndrome characterized by sudden onset of headache and vomiting, accompanied by visual disturbance or ocular motility impairment and pituitary insufficiency. Pituitary apoplexy presenting with these symptoms is seen in approximately 3% of patients with surgically treated pituitary adenomas. In acromegalic patients, apoplexy can be related to some provocating factors and rarely may be spontaneous. We present the case of an acromegalic patient with spontaneous remission after apoplexy. A 39-year-old male patient had transsphenoidal microsurgery for acromegaly in 1994 but remission was not achieved. After a 10-year period without follow-up, he experienced severe headache, nausea, vomiting, photophobia, and visual disturbance in July 2005 and scheduled an appointment with an ophthalmologist. His complaints ceased spontaneously within weeks. In October 2005, sellar MRI examination revealed a 3x2.5 cm mass of adenomatous tissue with necrosis. On admission to our clinic in November 2005, visual acuity, visual fields, and ocular motility, were normal; but results of laboratory tests revealed panhypopituitarism. He was thought to have apoplexy of a growth hormone secreting tumor, and hormone replacement therapy was initiated for panhypopituitarism. Because his symptoms had regressed, surgery was not considered. On rare occasions, acromegaly spontaneously remits after apoplexy, resulting in improved control of the functional adenoma without surgical intervention.Publication Differences between atypical parathyroid tumors and parathyroid adenomas in patients with primary hyperparathyroidism(Springer India, 2023-09-29) Aydemir, Ensar; AYDOĞAN ÜNSAL, YASEMİN; ÖZ GÜL, ÖZEN; AYDEMİR, ENSAR; ATEŞ, COŞKUN; Ateş, Coşkun; CANDER, SONER; Cander, Soner; Saraydaroğlu, Özlem; SARAYDAROĞLU, ÖZLEM; Ersoy, Canan; ERSOY, CANAN; Ertürk, Erdinc; ERTÜRK, ERDİNÇ; Bursa Uludağ Üniversitesi/Tıp Fakültesi/İç Hastalıkları Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/İç Hastalıkları Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Patoloji Anabilim Dalı.; 0000-0003-4300-2965; 0000-0003-4565-9848; 0000-0002-1332-4165; AAJ-6536-2021; AAB-6671-2022; AAA-7171-2022Atypical parathyroid tumor is a rare disease that can be challenging to distinguish from parathyroid adenoma. Atypical parathyroid tumor shows some laboratory and histopathological features with parathyroid cancer. This study attempts to compare clinical, laboratory, radiologic, and histopathological characteristics in atypical parathyroid tumor and parathyroid adenoma. This was a retrospective study based on the database of eighty-two subjects who underwent surgery for primary hyperparathyroidism at a tertiary referral center between 2010 and 2021. Forty-one patients with atypical parathyroid tumor were matched by age and gender to controls with parathyroid adenoma. Clinical, laboratory, radiologic, and characteristics were obtained from the hospital database. Forty-five (54.8%) of primary hyperparathyroidism patients were symptomatic, 36 (90%) had nephrolithiasis, 6 (15%) had fracture, and 3 (7.5%) had hypercalcemic crisis. Atypical parathyroid tumor patients present with significantly increased serum calcium, parathormone, and alkaline phosphatase levels (P < .001, all). No significant difference was observed in the results of bone mineral density, T-scores, and Z-scores. The size of adenoma was significantly greater in the atypical parathyroid tumor group (24 (8.8-70) mm vs. 12 (3.8-32) mm, P = 0.005). Our study revealed that increased preoperative serum calcium, parathormone, alkaline phosphatase concentrations, and parathyroid adenoma size on ultrasound may have predicted the atypical parathyroid tumor.Publication Association between p16(cdkn2a) c540g polymorphism and tumor behavior in prolactinoma: A single-center study(Spandidos Publ Ltd, 2014-07-01) Karkucak, Mutlu; Gül, Özen Öz; ÖZ GÜL, ÖZEN; Yakut, Tahsin; Sağ, Şebnem Özemri; ÖZEMRİ SAĞ, ŞEBNEM; Ersoy, Canan; ERSOY, CANAN; Tuncel, Ercan; Ertürk, Erdinç; ERTÜRK, ERDİNÇ; Cander, Soner; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Endokrinoloji ve Metabolizma Anabilim Dalı.; Bursa Uludağ Üniversitesi/Tıp Fakültesi/Genetik Anabilim Dalı.; AAJ-6536-2021; AAH-8861-2021; AAI-1005-2021; ABI-5648-2022; AAH-8355-2021Pituitary tumors usually originate as benign sporadic adenomas and develop into invasive and aggressive tumors such as prolactinomas, which are common functioning pituitary adenomas. The aim of the present study was to examine the association between the tumor behavior in prolactinomas and the p16(CDKN2A) gene polymorphism occurring at the 3'-untranslated region of exon 3 (C540G). A total of 104 patients with prolactinoma were included and assigned to two groups based on invasive vs. non-invasive tumor behavior. Ki67 indices were recorded according to histopathology results. Genotypic analysis of the p16( CDKN2A) C540G polymorphism was carried out using a modified polymerase chain reaction-restriction fragment length polymorphism assay. The corresponding frequencies for CC, CG and GG genotypes in non-invasive vs. invasive tumors were 61.5, 30.8, 7.7 and 64.1, 28.2, 7.7%, respectively ( not significant). The observed CG genotype frequency was higher compared with previous studies. In addition, the patients with giant adenomas or a high Ki67 index had a higher frequency of the CG genotype as compared with the other subgroups, although the differences were not significant (46.2 and 42.9%, respectively). In conclusion, a higher frequency of the C540G CG genotype of the CDKN2A gene was found among patients with prolactinoma in comparison with previous studies. These frequencies were also higher in the subgroups with elevated Ki67 or giant adenomas. Further studies are required to improve the definition of the role of the CG genotype in the development and progression of tumors in prolactinomas.