Araştırma Çıktıları

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Author: search.filters.author.Demircan, OrhanHas files: Yes

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    Management of endocrine surgical disorders during COVID-19 pandemic: expert opinion for non-surgical options
    (SPRINGER-VERLAG ITALIA SRL, 2022-01-01) Agcaoglu, Orhan; Sezer, Atakan; Makay, Ozer; Erdogan, Murat Faik; Bayram, Fahri; Guldiken, Sibel; Raffaelli, Marco; Sonmez, Yusuf Alper; Lee, Yong-Sang; Vamvakidis, Kyriakos; Mihai, Radu; Duh, Quan-Yang; Akinci, Baris; Alagol, Faruk; Almquist, Martin; Barczynski, Marcin; Bayraktaroglu, Taner; Berber, Eren; Bukey, Yusuf; Cakmak, Guldeniz Karadeniz; Canturk, Nuh Zafer; Canturk, Zeynep; Celik, Mehmet; Celik, Ozlem; Ceyhan, Banu Ozturk; Cherenko, Sergii; Clerici, Thomas; Coombes, David Scott; Demircan, Orhan; Deyneli, Oguzhan; Dionigi, Gianlorenzo; Emre, Ali Ugur; Erbil, Yesim; Filiz, Ali Ilker; Gozu, Hulya Iliksu; Gurdal, Sibel Ozkan; Gurleyik, Gunay; Haciyanli, Mehmet; Kebudi, Abut; Kim, Seokmo; Koutelidakis, Giannis; Kuru, Bekir; Mert, Meral; Oruk, Guzide Gonca; Ozbas, Serdar; Palazzo, Fausto; Pandev, Rumen; Riss, Phillip; Sabuncu, Tevfik; Sahin, Ibrahim; Sakman, Gurhan; Saygili, Fusun; Senyurek, Yasemin Giles; Sleptsov, Ilya; Van Slycke, Sam; Teksoz, Serkan; Terzioglu, Tarik; Tezelman, Serdar; Tunca, Fatih; Ugurlu, Mustafa Umit; Uludag, Mehmet; Villar-del-Moral, Jesus; Vriens, Menno; Yazici, Dilek
    Purpose The COVID-19 pandemic brought unprecedented conditions for overall health care systems by restricting resources for non-COVID-19 patients. As the burden of the disease escalates, routine elective surgeries are being cancelled. The aim of this paper was to provide a guideline for management of endocrine surgical disorders during a pandemic. Methods We used Delphi method with a nine-scale Likert scale on two rounds of voting involving 64 experienced eminent surgeons and endocrinologists who had the necessary experience to provide insight on endocrine disorder management. All voting was done by email using a standard questionnaire. Results Overall, 37 recommendations were voted on. In two rounds, all recommendations reached an agreement and were either endorsed or rejected. Endorsed statements include dietary change in primary hyperparathyroidism, Cinacalcet treatment in secondary hyperparathyroidism, alpha-blocker administration for pheochromocytoma, methimazole +/- beta-blocker combination for Graves' disease, and follow-up for fine-needle aspiration results of thyroid nodules indicated as Bethesda 3-4 cytological results and papillary microcarcinoma. Conclusion This survey summarizes expert opinion for the management of endocrine surgical conditions during unprecedented times when access to surgical treatment is severely disrupted. The statements are not applicable in circumstances in which surgical treatment is possible.
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    Correlation between 18F-FDG Positron-Emission Tomography 18F-FDG Uptake Levels at Diagnosis and Histopathologic and Immunohistochemical Factors in Patients with Breast Cancer
    (AVES, 2016-01-01) Ugurluer, Gamze; Yavuz, Sinan; Calikusu, Zuleyha; Seyrek, Ertugrul; Kibar, Mustafa; Serin, Meltem; Ersoz, Canan; Demircan, Orhan
    Objective: In this study, we aimed to determine the correlation between pretreatment-staging 18F-FDG total body positron-emission tomography/computed tomography (PET/CT) maximum standardized uptake value (SUVmax) levels and histopathologic and immunohistochemical predictive and prognostic factors in patients with breast cancer. Materials and Methods: One hundred thirty-nine women with breast cancer who were treated between 2009 and 2015 at our hospital and who had pretreatment-staging PET/CT were included in the study. SUVmax levels and histopathologic and immunohistochemical results were compared. Results: The median age was 48 years (range, 29-79 years). The mean tumor diameter was 33.4 mm (range, 7-120 mm). The histology was invasive ductal carcinoma in 80.6\% of the patients. In the univariate analysis, SUVmax levels were significantly higher in patients with invasive ductal carcinoma
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    Silicone implant induced lymphadenopathy after breast reconstructive surgery
    (CUKUROVA UNIV, FAC MEDICINE, 2019-01-01) Calikusu, Zuleyha; Demircan, Orhan; Saltaoglu, Pinar; Ozcan, Nazli