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Öğe Artifacts and physiologic soft tissue activities on NaF PET/CT bone images(Springer, 2017) Sarikaya, I.; Elgazzar, A.; Alfeeli, M.; Sarikaya, A.[Abstract Not Available]Öğe Assessing correlation between 68Ga-PSMA-11 renal PET parameters and renal function tests(Springer, 2021) Schierz, J.; Sarikaya, I.; Albatineh, A.; Sarikaya, A.[Abstract Not Available]Öğe Assessing regional FDG uptake in the brain in normal, low and high blood glucose levels(Springer, 2019) Sarikaya, I.; Albatineh, A.; Sarikaya, A.[Abstract Not Available]Öğe Assessment of biological, clinical aggressiveness of invasive ductal breast cancer using baseline fluorine-18 fluorodeoxyglucose positron-emission tomography/computed tomography-derived volumetric parameters(Springer, 2017) Aktas, G. Ege; Tastekin, E.; Sarikaya, A.[Abstract Not Available]Öğe Bilateral symmetrical adrenal hypermetabolism on FDG PET/CT due to Cushing syndrome in well differentiated neuroendocrine carcinoma(Elsevier Espana Slu, 2016) Aktas, G. E.; Demir, S. Soyluoglu; Sarikaya, A.The F-18-FDG PET/CT scan has been suggested for whole-body imaging to identify ectopic adrenocorticotrophic hormone secreting tumours, but there are some challenges involved. The case of a patient is presented, who was admitted with the pre-diagnosis of ectopic ACTH syndrome. On the CT, a nodular lesion was detected in the medial segment of the right lung. The FDG uptake of the lesion seemed to be increased visually, but was not pathological quantitatively (SUVmax: 1.8) on the PET/CT. There was also diffuse increased uptake (SUVmax: 14.2) in the enlarged adrenal glands. The lesion was reported as a possible malignant lesion with low FDG affinity, such as a low grade neuroendocrine tumour, while the diffuse enlarged adrenal glands with high uptake were interpreted as diffusely hyperplasic, due to Cushing's syndrome. The patient was treated with a surgical wedge resection. The histopathological diagnosis confirmed that the tumour was a grade 1 well-differentiated neuroendocrine carcinoma. (C) 2015 Elsevier Espana, S.L.U. and SEMNIM. All rights reserved.Öğe Bioactive Glass Prefabrication with Vascular Induction Technique(Springer, 2008) Bas, S.; Top, H.; Sarikaya, A.; Kandulu, H.[Abstract Not Available]Öğe Comparison of dynamic contrast-enhanced MRI parameters with 99mTc-sestamibi uptake ratios in benign thyroid pathologies.(Springer, 2009) Tuncbilek, N.; Sarikaya, A.; Korkmaz, U.; Torun, N.; Aytekin, E.[Abstract Not Available]Öğe Comparison of dynamic contrast-enhanced MRI parameters with 99mTc-sestamibi uptake ratios in malignant bone and soft-tissue tumours.(Springer, 2009) Sarikaya, A.; Tuncbilek, N.; Altaner, S.; Torun, N.; Korkmaz, U.; Yalniz, E.[Abstract Not Available]Öğe Correction of Differential Renal Function for Asymmetric Renal Area Ratio in Unilateral Hydronephrosis [Meeting Abstract](Springer, 2015) Aktas, G. Ege; Sarikaya, A.[Abstract Not Available]Öğe Diffuse Increased Splenic FDG Uptake in Lung Cancer Patients: Accompanying Infection or Systemic Inflammation?(Springer, 2016) Aktas, L. Ege; Sarikaya, A.; Demir, S. Soyluoglu[Abstract Not Available]Öğe DMSA scan versus MR imaging in pyelonephritis: A Meta-analysis(Springer, 2019) Sarikaya, I.; Sarikaya, A.; Albatineh, A.[Abstract Not Available]Öğe The Effects of Different Preserving Media on the Viability and Healing of Free Craniotomy Flaps(Springer, 2010) Hamamcioglu, M. K.; Sarikaya, A.; Kilincer, C.; Firat, M. F.[Abstract Not Available]Öğe FDG PET Findings In Invasive Ductal Carcinoma Of The Breast With And Without Coexisting DCIS(Springer, 2019) Sarikaya, I.; Sarikaya, A.; Albatineh, A.; Tastekin, E.; Sezer, Y. A.[Abstract Not Available]Öğe Gender related difference in PET SUV in overweight and obese people(Springer, 2020) Sarikaya, I.; Sarikaya, A.; Albatineh, A. N.[Abstract Not Available]Öğe Is there a correlation between PET and histopathology findings of the invasive ductal carcinoma of breast with the histopathological features of coexisting DCIS?(Springer, 2020) Sarikaya, I.; Sarikaya, A.; Albatineh, A. N.; Tastekin, E.; Sezer, Y. A.[Abstract Not Available]Öğe Normal and Ectopic Lacalized Parathyroid Adenomas: Is There No Difference in Scintigraphic Parameters?(Springer, 2011) Korkmaz, U.; Sarikaya, A.[Abstract Not Available]Öğe Pre-therapy I-131 uptake value as a prediction method for metastatic lymph node status in patients with differentiated thyroid carcinoma(Springer, 2015) Aktas, G. Ege; Demir, S. Soyluoglu; Ustun, F.; Sarikaya, A.; Altun, G. Durmus[Abstract Not Available]Öğe Prognostic Significance of 18F-Fluorodeoxyglucose Positron Emission Tomography/Computed Tomography Derived Metabolic Parameters in Surgically Resected Clinical N0 Non-Small-Cell Lung Cancer(Springer, 2018) Aktas, L. Ege; Karamustafaoglu, Y.; Balta, C.; Sut, N.; Sarikaya, A.[Abstract Not Available]Öğe Status of F-18 fluorodeoxyglucose uptake in normal and hibernating myocardium after glucose and insulin loading(Elsevier Science Bv, 2018) Sarikaya, Ismet; Elgazzar, A. H.; Alfeeli, M. A.; Sharma, P. N.; Sarikaya, A.Objective: F-18 fluorodeoxyglucose (FDG) positron emission tomography (PET) has been increasingly used in myocardial viability imaging. In routine PET viability studies, oral glucose and intravenous insulin loading is commonly utilized. In an optimal study, glucose and insulin loading is expected to cause FDG uptake both in hibernating and normal myocardium. However, in routine studies it is not uncommon to see absent or reduced FDG uptake in normal myocardium. In this retrospective study we further analyzed our PET viability images to evaluate FDG uptake status in myocardium under the oral glucose and intravenous insulin loading protocol that we use in our hospital. Methods: Patients who had both myocardial perfusion single photon emission computed tomography (SPECT) and FDG PET cardiac viability studies were selected for analysis. FDG uptake status in normal and abnormal myocardial segments on perfusion SPECT was evaluated. Based on SPECT and PET findings, patients were divided into two main groups and four subgroups. Group 1 included PET viable studies and Group 2 included PET-nonviable studies. Subgroups based on FDG uptake in normal myocardium were 1a and 2a (normal uptake) and 1b and 2b (absent or significantly reduced uptake). Results: Seventy-one patients met the inclusion criteria. Forty-two patients were PET-viable and 29 were PET-nonviable. In 33 of 71 patients (46.4%) there was absent or significantly reduced FDG uptake in one or more normal myocardial segments, which was identified more in PET-viable than PET-nonviable patients (59.5% vs. 27.5%, p = 0.008). This finding was also more frequent in diabetic than nondiabetic patients (53% vs. 31.8%), but the difference was not significant (p = 0.160). Conclusions: In nearly half of our patients, one or more normal myocardial segments showed absent or significantly reduced FDG uptake. This finding, particularly if it is diffuse, could be from suboptimal study, inadequacy of current glucose and insulin loading protocols, or various other patient-related causes affecting FDG uptake both in the normal and hibernating myocardium. In cases with significantly reduced FDG uptake in normal myocardium, PET images should be interpreted cautiously to prevent false-negative results for viability. (C) 2017 The Authors. Production and hosting by Elsevier B.V. on behalf of King Saud University.Öğe Visual and semiquantitative analysis of FDG PET brain images of patients with dementia(Springer, 2018) Sarikaya, I.; Sarikaya, A.; Ateyah, K. Khaled; Kamel, W.; Bin Essa, N. Essa; Elgazzar, A.[Abstract Not Available]
