Histopathological distribution of thyroid cancers: A retrospective analysis of 570 patients

Aim: Thyroid cancers are the most commonly encountered endocrine system malignancies.  The incidence continues to rise worldwide. Our aim in this study is to investigate the frequency and histopathological subtypes of thyroid cancer in our clinic. Methods: The present study was conducted with 3614 patients who were followed up in our endocrinology and general surgery clinic and operated with the diagnosis of multinodular and/or nodular goiter between 2015 and 2021. The histopathological types and information of patients diagnosed with thyroid cancer were obtained retrospectively from the pathology reports. Among the patients included in the study, a total of 570 people who were reported to have thyroid cancer due to histopathology were included in the study. Results: The data of a total of 3614 biopsy reports were examined for the study. Among these patients, 570 (421 females, 149 males) were operated and whose pathology reports were accessed were included in the study. The mean age of the patients was 49.12±10.4 years. As a result of the operations, malign postoperative tissue histopathology was 98.9% (n=564), and uncertain malignancy potential was reported to be 1.0% (n=6). In our study, the histopathological distribution of thyroid cancers was as follows; thyroid papillary cancer 89.4% (n=510), follicular cancer 7.3% (n=42), medullary cancer 2.1% (n=12), and malignancy potential uncertain 1.0% (n=6). Conclusion: The results of our study suggest that thyroid cancers are more common in women in our country, in parallel with the similar rates reported in the literature, with the increase worldwide

Effect of Preemptive Femoral Nerve Block on Pain Control and Opioid Consumption After Total Knee Arthroplasty: A Randomized Controlled Trial

Aim: Peripheral nerve blocks, particularly femoral nerve blocks (FNBs), are a practical choice for relieving severe pain after total knee arthroplasty (TKA). We investigated the effectiveness of preemptive FNB on postoperative pain control and the reduction of opioid consumption. Methods: This was a single-center, prospective, randomized controlled trial conducted at a tertiary care health center, Istanbul University-Cerrahpasa, Cerrahpasa Faculty of Medicine, Turkey. The study included 40 American Society of Anesthesiologists I-III patients scheduled for elective TKA surgery. Patients were studied in two groups. The FNB group (n=20) received preemptive single-injection FNB (15 mL of prilocaine 2% and 15 mL of 0.5% bupivacaine using a peripheral nerve stimulator) before general anesthesia (GA) as the study group and the control group (n=20) received standardized GA. The primary outcome measure was pain scores evaluated as numeric pain rating scale (0-10) at 2, 4, 8, 12, 16, 18, 20, and 24 h. Secondary outcome measures included opioid consumption with patient-controlled and perioperative hemodynamic changes. Results: Pain scores and opioid consumption in the FNB group were significantly lower than those in the control group at every measurement time (p<0.05). Total perioperative morphine use was also lower in the FNB group (p=0.023). Regarding hemodynamic variables, the heart rate values at the beginning of surgery and tourniquet insufflation in the FNB group were significantly lower than those in the control group. Conclusion: Using the FNB as part of any multimodal analgesia protocol to alleviate pain after TKA with less analgesic use would be beneficial

The Effect of Using the Creative Reversal Act in Science Education on Middle School Students' Creativity Levels

WOS: 000397581400008Purpose: The purpose of this study is to examine the effects of the creative reversal act (CREACT) used in teaching ecosystems topics on the creativity levels of middle school students. Research Methods: The research was conducted using a quasi-experimental design, a quantitative research method, and a pretest-posttest control group design. The sample of the study was comprised of 39 students in two groups. The quantitative data were analyzed using the dependent and independent samples t-tests in SPSS software. Findings: There was a significant difference between the experimental group, which underwent creative reversal act training, and the control group, which underwent curriculum-based training in terms of creativity scores. The experimental group higher scores than the control group. There was a significant difference between the two groups in terms of the subcomponents of creativity (fluency, flexibility, originality, and elaboration). The experimental group was more successful in terms of fluency, flexibility, originality, and elaboration. There was a significant difference between the creativity pre-and post-test scores of the experimental group, who obtained higher scores on the post-test. Implications for Research and Practice: The results have revealed that the practice of creative reversal act technique in the teaching of a science subject (ecosystem) promoted the creativity level of seventh graders. The results of such programs whose effectiveness have been tested with regard to creativity training demonstrate that student creativity can be improved. Creating classroom environments in which creativity is highlighted and used is important in terms of increasing the quality of education. (C) 2017 Ani Publishing Ltd. All rights reserve

Comparative Study of Cross Layer Frameworks for Wireless Sensor Networks

1st International Conference on Wireless Communication, Vehicular Technology, Information Theory and Aerospace and Electronic Systems Technology -- MAY 17-20, 2009 -- Aalborg, DENMARKWOS: 000276233900158The totally new communication paradigms introduced by the collaborative sensing notion of wireless sensor networks, materialized by the networked deployment of sensor nodes, has in the recent years forced researchers to re-consider the protocol design process. The traditional layered approach is coming under scrutiny. In its place a new, cross-layer approach has emerged that promises to meet much better the specific needs of versatile applications and severely limited resources characteristic for wireless sensor networks. Lately, the idea of Cross-Layer Frameworks has emerged and the research community is faced with the difficult task to investigate this new platform and its suitability, to weigh its pros and cons in light of its possible future evolution. In this paper we first try to present a brief survey of the suggested so far cross-layer frameworks by investigating the ongoing work in the area of cross-layer frameworks, putting that work in perspective, and consolidating the existing results and insights. Our second aim is to classify the cross-layer frameworks by defining some major criteria and identify their advantages and disadvantages in a unified manner. The work is supported by the evaluation of these frameworks against applications from large international projects

Fault Tolerance and Fault Management Issues in Wireless Sensor Networks: Recent Developments

WOS: 00044119870000