Publications by authors named "Mustafa Kula"

Introduction: The diagnosis of adrenal insufficiency (AI) related to traumatic brain injury (TBI) remains a challenge. We investigated the basal and low-dose adrenocorticotropic hormone (ACTH)-stimulated serum cortisol and salivary cortisol (SaC) levels and the diagnostic utility of SaC levels during 28 days following TBI.

Materials And Methods: Blood samples were collected for basal levels [sequentially from day 1 (D1) to D7 and on D28)] and for peak serum cortisol and SaC responses to the low-dose ACTH stimulation test (on D1, D7, and D28).

View Article and Find Full Text PDF

Background And Purpose: Perfusion parameters obtained in F-18 FDG PET/CT performed for staging purposes in breast cancers may provide additional information about tumor biology as well as glucose metabolism. The aim of this study was to evaluate throughout F-18 FDG PET/CT the relationship between blood flow and glucose metabolism and histological parameters of the primary tumor, normal mammary gland, and axillary lymph nodes in breast cancer patients.

Materials And Methods: Sixty six female patients (mean age 51 y ± 12,81) were prospectively included to this study.

View Article and Find Full Text PDF

Background: Increasing use of F-FDG PET/CT in cancer patients, has led to more common detection of F- FDG uptake in the gastrointestinal tract (GIT).

Aims: The objective of this study was to assess F-FDG uptake in incidental and known GIT malignancy.

Methods: A total of 6500 patients followed-up in a single and tertiary center between January 2010 and September 2016 were retrospectively reviewed.

View Article and Find Full Text PDF

Background/aims: Currently, there is no definite consensus about the prognostic factors of neuroendocrine tumors (NETs). We evaluate epidemiology, survival and especially prognostic factors in NETs.

Materials And Methods: Patients who had a NET and were diagnosed between 2000 and 2014 at a tertiary care center were included.

View Article and Find Full Text PDF

Aim: To assess the additional contribution of the combined imaging approach with Ga-DOTA-TATE and fluorine-18 fluorodeoxyglucose (F-FDG) on the basis of volumetric parameters in neuroendocrine tumors (NETs).

Materials And Methods: Forty-one patients with NET (19 women, 22 men; age range: 30-79 years; mean age: 56.7±12.

View Article and Find Full Text PDF

Peptide receptor radionuclide therapy with Lu or Y is promising with successful results in somatostatin receptor-positive tumors. In all radiation therapies, knowledge of the radiation dose received by the target, and other organs in the body is essential to evaluate the risks and benefits of any procedure. We report a case of liver metastases from a rectal neuroendocrine tumor, which was treated with Y DOTANOC.

View Article and Find Full Text PDF

Objective: The aim of this study was to evaluate the diagnostic and prognostic efficacy of gated single-photon emission computed tomography (GSPECT) in patients with acute chest pain and to compare quantitative GSPECT parameters and the coronary angiographic SYNTAX score.

Materials And Methods: A total of 168 patients who presented with clinical symptoms of acute chest pain were enrolled in the study. Study participants were divided into two groups according to the risk of acute coronary syndrome (ACS): low-intermediate and high risk.

View Article and Find Full Text PDF

Background: The aim of this paper was to compare the results of postoperative I-131 remnant ablation therapy using a quantitative data in the low activity (1110 MBq) and standard dose (3700 MBq).

Methods: The study included two groups of patients with low risk differentiated thyroid cancer (DTC): Group L (low dose group) included 54 patients who were treated with 1110 MBq I-131 and Group S (standard dose group) included 61 patients treated with 3700 MBq. The postoperative thyroid remnants were assessed with the pretreatment thyroid uptake test (PTUT) and the whole body scans (WBS) were performed in the 7th day after the ablation treatment.

View Article and Find Full Text PDF

The purpose of this study is to compare the strain echocardiographic and scintigraphic parameters for evaluating of the left ventricular (LV) functions in patients with anterior myocardial infarction (MI). Fifty-four patients (male/female: 36/18; mean age 62 ± 13 years) with anterior MI were prospectively enrolled. All patients were performed gated myocardial perfusion scintigraphy gated single-photon emission computed tomography (GSPECT) and echocardiography (EC).

View Article and Find Full Text PDF

Objective: To compare the outcomes of arthroscopic, radioactive and combined synovectomies in patients with chronic non-specific recurrent synovitis who did not respond to conservative therapy.

Subjects And Methods: Twenty-nine patients enrolled between 2007 and 2011 were divided into 3 groups: group 1 was treated with arthroscopy, group 2 received a radioactive drug and group 3 received a combined (radioactive and arthroscopic) synovectomy. Treatment efficacy was evaluated by comparing pre- and post-operative Lysholm knee scores (LKS), night pain, resting pain, activity pain and effusions using visual analogue scales (VAS).

View Article and Find Full Text PDF

Salivary cortisol (SC) has been increasingly used as a surrogate biomarker of free cortisol (FC) for the assessment of hypothalamo-pituitary-adrenal (HPA) axis, but there are not enough data regarding its use during ACTH stimulation tests. Therefore, we aimed to determine the responses of SC, calculated free cortisol (cFC) and free cortisol index (FCI) to ACTH stimulation tests in healthy adults. Forty-four healthy volunteers (24 men and 20 women) were included in the study.

View Article and Find Full Text PDF

Unlabelled: Primary liver carcinosarcoma is a very rare disease. There have been only a few cases described to date, none of which has been imaged by bone scintigraphy. A 69-year-old man who developed right back pain and weight loss was admitted to our hospital.

View Article and Find Full Text PDF

Assessment of left ventricular (LV) function in patients with myocardial infarction (MI) provide useful diagnostic and prognostic information. Up to date, single photon emission tomography (SPET), positron emission tomography (PET), multidetector computed tomographic angiography, echocardiography (EC) and magnetic resonance imaging (MRI), have been used to examine LV parameters. However, due to limitations of some imaging methods, new studies are directed to improve myocardium function evaluation.

View Article and Find Full Text PDF

Objective. To determine the effects of percutaneous nephrolithotomy on renal functions by using DMSA scintigraphy while considering access counts. Material and Methods.

View Article and Find Full Text PDF

Unlabelled: We report the case of a 64-year-old man followed up for two years as suffering from differentiated thyroid cancer (DTC). In the patient's follow up, despite thyroglobulin level and I-131 whole body scan results being normal, metastases were identified at the 4th thoracic vertebra corpus by MR. Histopathological findings were carcinoma metastases.

View Article and Find Full Text PDF

The patient with a history of bone pain and muscle weakness, was thought to have oncogenic osteomalacia as a result of biochemical investigations and directed to Nuclear Medicine Department for a whole-body bone scintigraphy and 111In-octreotide scintigraphy. There was no focal pathologic tracer uptake, but generalized marked increase in skeletal uptake on bone scintigraphy. Octreotide scintigraphy showed accumulation of octreotide in the region of the left lobe of the thyroid gland in the neck.

View Article and Find Full Text PDF

We report a case of 59-year-old Turkish man with history of mitral valve replacement (MVR) and chronic obstructive pulmonary disease (COPD) who was diagnosed with stage IIIA IgG lambda multiple myeloma (MM) in 1997. He underwent autologous hematopoietic stem cell transplantation after a conditioning regimen with melphalan 200mg per body area (m(2)) in February 2006. On February 2011, he was admitted to the emergency service of university hospital with complaints of hematemesis and melena.

View Article and Find Full Text PDF

Purpose. Assessment of effects of zoledronic acid therapy on bone metabolic indicators in hormone-resistant prostate cancer patients with bone metastasis. Material and Methods.

View Article and Find Full Text PDF

Background And Aims: Metabolic bone disease is common in patients with chronic liver disease. Comparative studies on the efficacies of antiosteoporotic agents in hepatic osteodystrophy have not been conducted yet. The aim of this study was to evaluate the safety and efficacy of different therapeutic regimens on hepatic osteodystrophy.

View Article and Find Full Text PDF

Evaluation of the HPA axis is still a challenge; due to different sensitivities and stimulation efficiencies of dynamic tests, lack of standard assays for cortisol measurement and lack of data regarding the effects of age and gender on the results of the HPA axis evaluation with different dynamic tests. This study was performed to compare 1 μg ACTH, 250 μg ACTH and glucagon tests in the evaluation of HPA axis. The study was carried out on 55 healthy individuals (28 men, 27 women).

View Article and Find Full Text PDF

Purpose: Although liver biopsy remains the gold standard in the staging of liver fibrosis in chronic hepatitis C virus (HCV) infection, several noninvasive methods are under evaluation for clinical use. The aim of this study was to evaluate the utility of hepatobiliary function through technetium-99m-N-(-3-bromo-2,4,6-trimethylacetanilide) iminodiacetic acid (Tc-mebrofenin) scintigraphy in evaluating liver fibrosis in patients with chronic HCV infection.

Methods: We studied 62 patients with HCV (18 men, 44 women).

View Article and Find Full Text PDF

Nasal packing may influence the mucociliary clearance of the nose in the postoperative healing phase. In an attempt to overcome some of this problem, a haemostatic septal suturing technique was conceived. In this prospective study, we aimed to investigate the effects of nasal packing and septal suturing technique on mucociliary clearance by rhinoscintigraphy.

View Article and Find Full Text PDF

Abnormalities in the neurohypophyseal system have been reported in depression. This study aimed to investigate serum oxytocin levels in patients with depression and the effects of gender and antidepressant treatment on these levels. Serum oxytocin levels were measured before and after treatment with antidepressant drugs or electroconvulsive therapy (ECT) in 40 inpatients (30 women, 10 men) who met the DSM-IV criteria for major depressive disorder (n=29) or bipolar affective disorder depressive episode (n=11), and in 32 healthy controls (20 women, 12 men).

View Article and Find Full Text PDF