Tomography最新文献

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Tumor Morphology for Prediction of Poor Responses Early in Neoadjuvant Chemotherapy for Breast Cancer: A Multicenter Retrospective Study. 预测乳腺癌新辅助化疗早期不良反应的肿瘤形态学:一项多中心回顾性研究
IF 2.2 4区 医学
Tomography Pub Date : 2024-11-20 DOI: 10.3390/tomography10110134
Wen Li, Nu N Le, Rohan Nadkarni, Natsuko Onishi, Lisa J Wilmes, Jessica E Gibbs, Elissa R Price, Bonnie N Joe, Rita A Mukhtar, Efstathios D Gennatas, John Kornak, Mark Jesus M Magbanua, Laura J Van't Veer, Barbara LeStage, Laura J Esserman, Nola M Hylton
{"title":"Tumor Morphology for Prediction of Poor Responses Early in Neoadjuvant Chemotherapy for Breast Cancer: A Multicenter Retrospective Study.","authors":"Wen Li, Nu N Le, Rohan Nadkarni, Natsuko Onishi, Lisa J Wilmes, Jessica E Gibbs, Elissa R Price, Bonnie N Joe, Rita A Mukhtar, Efstathios D Gennatas, John Kornak, Mark Jesus M Magbanua, Laura J Van't Veer, Barbara LeStage, Laura J Esserman, Nola M Hylton","doi":"10.3390/tomography10110134","DOIUrl":"10.3390/tomography10110134","url":null,"abstract":"<p><strong>Background: </strong>This multicenter and retrospective study investigated the additive value of tumor morphologic features derived from the functional tumor volume (FTV) tumor mask at pre-treatment (T0) and the early treatment time point (T1) in the prediction of pathologic outcomes for breast cancer patients undergoing neoadjuvant chemotherapy.</p><p><strong>Methods: </strong>A total of 910 patients enrolled in the multicenter I-SPY 2 trial were included. FTV and tumor morphologic features were calculated from the dynamic contrast-enhanced (DCE) MRI. A poor response was defined as a residual cancer burden (RCB) class III (RCB-III) at surgical excision. The area under the receiver operating characteristic curve (AUC) was used to evaluate the predictive performance. The analysis was performed in the full cohort and in individual sub-cohorts stratified by hormone receptor (HR) and human epidermal growth factor receptor 2 (HER2) status.</p><p><strong>Results: </strong>In the full cohort, the AUCs for the use of the FTV ratio and clinicopathologic data were 0.64 ± 0.03 (mean ± SD [standard deviation]). With morphologic features, the AUC increased significantly to 0.76 ± 0.04 (<i>p</i> < 0.001). The ratio of the surface area to volume ratio between T0 and T1 was found to be the most contributing feature. All top contributing features were from T1. An improvement was also observed in the HR+/HER2- and triple-negative sub-cohorts. The AUC increased significantly from 0.56 ± 0.05 to 0.70 ± 0.06 (<i>p</i> < 0.001) and from 0.65 ± 0.06 to 0.73 ± 0.06 (<i>p</i> < 0.001), respectively, when adding morphologic features.</p><p><strong>Conclusion: </strong>Tumor morphologic features can improve the prediction of RCB-III compared to using FTV only at the early treatment time point.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1832-1845"},"PeriodicalIF":2.2,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598075/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734413","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Comparison of the Sensitivity and Cellular Detection Capabilities of Magnetic Particle Imaging and Bioluminescence Imaging. 磁粉成像和生物发光成像的灵敏度和细胞检测能力比较。
IF 2.2 4区 医学
Tomography Pub Date : 2024-11-20 DOI: 10.3390/tomography10110135
Sophia Trozzo, Bijita Neupane, Paula J Foster
{"title":"A Comparison of the Sensitivity and Cellular Detection Capabilities of Magnetic Particle Imaging and Bioluminescence Imaging.","authors":"Sophia Trozzo, Bijita Neupane, Paula J Foster","doi":"10.3390/tomography10110135","DOIUrl":"10.3390/tomography10110135","url":null,"abstract":"<p><strong>Background: </strong>Preclinical cell tracking is enhanced with a multimodal imaging approach. Bioluminescence imaging (BLI) is a highly sensitive optical modality that relies on engineering cells to constitutively express a luciferase gene. Magnetic particle imaging (MPI) is a newer imaging modality that directly detects superparamagnetic iron oxide (SPIO) particles used to label cells. Here, we compare BLI and MPI for imaging cells in vitro and in vivo.</p><p><strong>Methods: </strong>Mouse 4T1 breast carcinoma cells were transduced to express firefly luciferase, labeled with SPIO (ProMag), and imaged as cell samples after subcutaneous injection into mice.</p><p><strong>Results: </strong>For cell samples, the BLI and MPI signals were strongly correlated with cell number. Both modalities presented limitations for imaging cells in vivo. For BLI, weak signal penetration, signal attenuation, and scattering prevented the detection of cells for mice with hair and for cells far from the tissue surface. For MPI, background signals obscured the detection of low cell numbers due to the limited dynamic range, and cell numbers could not be accurately quantified from in vivo images.</p><p><strong>Conclusions: </strong>It is important to understand the shortcomings of these imaging modalities to develop strategies to improve cellular detection sensitivity.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1846-1866"},"PeriodicalIF":2.2,"publicationDate":"2024-11-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598277/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734348","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Evolving and Novel Applications of Artificial Intelligence in Abdominal Imaging. 人工智能在腹部成像中不断发展的新应用。
IF 2.2 4区 医学
Tomography Pub Date : 2024-11-18 DOI: 10.3390/tomography10110133
Mark R Loper, Mina S Makary
{"title":"Evolving and Novel Applications of Artificial Intelligence in Abdominal Imaging.","authors":"Mark R Loper, Mina S Makary","doi":"10.3390/tomography10110133","DOIUrl":"10.3390/tomography10110133","url":null,"abstract":"<p><p>Advancements in artificial intelligence (AI) have significantly transformed the field of abdominal radiology, leading to an improvement in diagnostic and disease management capabilities. This narrative review seeks to evaluate the current standing of AI in abdominal imaging, with a focus on recent literature contributions. This work explores the diagnosis and characterization of hepatobiliary, pancreatic, gastric, colonic, and other pathologies. In addition, the role of AI has been observed to help differentiate renal, adrenal, and splenic disorders. Furthermore, workflow optimization strategies and quantitative imaging techniques used for the measurement and characterization of tissue properties, including radiomics and deep learning, are highlighted. An assessment of how these advancements enable more precise diagnosis, tumor description, and body composition evaluation is presented, which ultimately advances the clinical effectiveness and productivity of radiology. Despite the advancements of AI in abdominal imaging, technical, ethical, and legal challenges persist, and these challenges, as well as opportunities for future development, are highlighted.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1814-1831"},"PeriodicalIF":2.2,"publicationDate":"2024-11-18","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598375/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734407","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Conference Report: Review of Clinical Implementation of Advanced Quantitative Imaging Techniques for Personalized Radiotherapy. 会议报告:先进定量成像技术在个性化放疗中的临床应用回顾。
IF 2.2 4区 医学
Tomography Pub Date : 2024-11-14 DOI: 10.3390/tomography10110132
Yevgeniy Vinogradskiy, Houda Bahig, Nicholas W Bucknell, Jeffrey Buchsbaum, Hui-Kuo George Shu
{"title":"Conference Report: Review of Clinical Implementation of Advanced Quantitative Imaging Techniques for Personalized Radiotherapy.","authors":"Yevgeniy Vinogradskiy, Houda Bahig, Nicholas W Bucknell, Jeffrey Buchsbaum, Hui-Kuo George Shu","doi":"10.3390/tomography10110132","DOIUrl":"10.3390/tomography10110132","url":null,"abstract":"<p><p>The topic of quantitative imaging in radiation therapy was presented as a \"Masterclass\" at the 2023 annual meeting of the American Society of Radiation Oncology (ASTRO). Dual-energy computed tomography (CT) and single-positron computed tomography were reviewed in detail as the first portion of the meeting session, with data showing utility in many aspects of radiation oncology including treatment planning and dose response. Positron emission tomography/CT scans evaluating the functional volume of lung tissue so as to provide optimal avoidance of healthy lungs were presented second. Advanced brain imaging was then discussed in the context of different forms of magnetic resonance scanning methods as the third area noted with significant discussion of ongoing research programs. Quantitative image analysis was presented to provide clinical utility for the analysis of patients with head and neck cancer. Finally, quality assurance was reviewed for different forms of quantitative imaging given the critical nature of imaging when numerical valuation, not just relative contrast, plays a crucial role in clinical process and decision-making. Conclusions and thoughts are shared in the conclusion, noting strong data supporting the use of quantitative imaging in radiation therapy going forward and that more studies are needed to move the field forward.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1798-1813"},"PeriodicalIF":2.2,"publicationDate":"2024-11-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598114/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734401","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Head and Neck Squamous Cell Carcinoma: Insights from Dual-Energy Computed Tomography (DECT). 头颈部鳞状细胞癌:双能量计算机断层扫描(DECT)的启示。
IF 2.2 4区 医学
Tomography Pub Date : 2024-11-11 DOI: 10.3390/tomography10110131
Eleonora Bicci, Antonio Di Finizio, Leonardo Calamandrei, Francesca Treballi, Francesco Mungai, Stefania Tamburrini, Giacomo Sica, Cosimo Nardi, Luigi Bonasera, Vittorio Miele
{"title":"Head and Neck Squamous Cell Carcinoma: Insights from Dual-Energy Computed Tomography (DECT).","authors":"Eleonora Bicci, Antonio Di Finizio, Leonardo Calamandrei, Francesca Treballi, Francesco Mungai, Stefania Tamburrini, Giacomo Sica, Cosimo Nardi, Luigi Bonasera, Vittorio Miele","doi":"10.3390/tomography10110131","DOIUrl":"10.3390/tomography10110131","url":null,"abstract":"<p><p>Head and neck cancer represents the seventh most common neoplasm worldwide, with squamous cell carcinoma being the most represented histologic variant. The rising incidence of the neoplastic pathology of this district, coupled with the drastic changes in its epidemiology over the past decades, have posed significant challenges to physicians worldwide in terms of diagnosis, prognosis, and treatment. In order to meet these challenges, a considerable amount of effort has been spent by the authors of the recent literature to explore new technologies and their possible employment for the better diagnostic and prognostic definition of head and neck squamous cell carcinoma (HNSCC). Among these technologies, a growing interest has been gathering around the possible applications of dual-energy computed tomography (DECT) in head and neck pathology. Dual-energy computed tomography (DECT) utilizes two distinct X-ray energy spectra to obtain two datasets in a single scan, allowing for material differentiation based on unique attenuation profiles. DECT offers key benefits such as enhanced contrast resolution, reduced beam-hardening artifacts, and precise iodine quantification through monochromatic reconstructions. It also creates material decomposition images, like iodine maps, aiding in tumor characterization and therapy assessment. This paper aims to summarize recent findings on the use of DECT in HNSCC, providing a comprehensive overview to aid further research and exploration in the field.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1780-1797"},"PeriodicalIF":2.2,"publicationDate":"2024-11-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598236/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734409","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Combining Transarterial Embolization and Percutaneous Cryoablation for Early-Stage Renal Cell Carcinoma: Embolization Materials and Impacts of Tumor Size. 联合经动脉栓塞和经皮冷冻消融治疗早期肾细胞癌:栓塞材料和肿瘤大小的影响。
IF 2.2 4区 医学
Tomography Pub Date : 2024-11-07 DOI: 10.3390/tomography10110130
Miki Terauchi, Tsuneo Yamashiro, Shungo Sawamura, Shingo Koyama, Noboru Nakaigawa, Keiichi Kondo, Hisashi Hasumi, Kazuhide Makiyama, Daisuke Utsunomiya
{"title":"Combining Transarterial Embolization and Percutaneous Cryoablation for Early-Stage Renal Cell Carcinoma: Embolization Materials and Impacts of Tumor Size.","authors":"Miki Terauchi, Tsuneo Yamashiro, Shungo Sawamura, Shingo Koyama, Noboru Nakaigawa, Keiichi Kondo, Hisashi Hasumi, Kazuhide Makiyama, Daisuke Utsunomiya","doi":"10.3390/tomography10110130","DOIUrl":"10.3390/tomography10110130","url":null,"abstract":"<p><strong>Background/objectives: </strong>Our aim was to compare the complication rates of different embolization materials (absolute ethanol and gelatin sponges) used for combined transarterial embolization (TAE) and to investigate the impact of tumor size on operative time and cryoneedle use during percutaneous cryoablation (PCA).</p><p><strong>Methods: </strong>We treated 27 patients (9 women and 18 men; mean age, 74 years) with 28 early-stage (T1a) renal cell carcinoma (RCC) lesions using combined TAE and PCA between September 2018 and January 2021. During TAE, 15 lesions in 14 patients were embolized using mixed absolute ethanol and iodized oil. The remaining 13 lesions (in 13 patients) were embolized using a gelatin sponge followed by iodized oil. The PCA was performed within 3 to 21 days of the TAE. We compared complications between the TAE subgroups (i.e., absolute ethanol and gelatin sponge) and assessed potential correlations between tumor size and the operative time of the PCA.</p><p><strong>Results: </strong>All patients were successfully treated by combined TAE-PCA. Local control was achieved for all patients (monitoring period, 1-48 months; median, 28 months). Although the effect of TAE did not differ between subgroups, a significantly higher number of patients in the absolute ethanol group experienced intraprocedural pain than in the gelatin sponge group (<i>p</i> < 0.05). The operative time of the PCA was significantly correlated with the size of the RCC lesion (<i>p</i> < 0.01). The number of cryoneedles used for the PCA was also correlated with the size of the RCC lesion (<i>p</i> < 0.0001).</p><p><strong>Conclusions: </strong>For TAE prior to PCA for early-stage RCC, gelatin sponges can replace absolute ethanol to reduce intraprocedural pain. Tumor size correlates with operative time and the number of cryoneedles needed for PCA, which suggests the total medical cost for PCA therefore varies based on the tumor's size.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1767-1779"},"PeriodicalIF":2.2,"publicationDate":"2024-11-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598556/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734376","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Comparative Analysis of CT Fluoroscopy Modes and Gastropexy Techniques in CT-Guided Percutaneous Radiologic Gastrostomy. CT引导经皮放射胃造瘘术中CT透视模式与胃镜技术的对比分析
IF 2.2 4区 医学
Tomography Pub Date : 2024-11-06 DOI: 10.3390/tomography10110129
Michael P Brönnimann, Mauro Tarca, Laura Segger, Jagoda Kulagowska, Florian N Fleckenstein, Bernhard Gebauer, Uli Fehrenbach, Federico Collettini, Johannes T Heverhagen, Timo A Auer
{"title":"Comparative Analysis of CT Fluoroscopy Modes and Gastropexy Techniques in CT-Guided Percutaneous Radiologic Gastrostomy.","authors":"Michael P Brönnimann, Mauro Tarca, Laura Segger, Jagoda Kulagowska, Florian N Fleckenstein, Bernhard Gebauer, Uli Fehrenbach, Federico Collettini, Johannes T Heverhagen, Timo A Auer","doi":"10.3390/tomography10110129","DOIUrl":"10.3390/tomography10110129","url":null,"abstract":"<p><strong>Background/objectives: </strong>This study was conducted to compare two modes of computed tomography fluoroscopy (CTF) and two gastropexy techniques used in CT-guided percutaneous radiologic gastrostomy (CT-PRG) aiming to identify the optimal techniques for image guidance and gastropexy and, thus, to overcome the current lack of consensus on the preferred modalities.</p><p><strong>Methods: </strong>We retrospectively identified 186 successful CT-PRG procedures conducted evenly across two university hospitals from January 2019 to December 2023. Patients were divided into two groups (intermittent multislice CT biopsy mode-guided technique (MS-CT BM) and retention anchor suture (T-fastener) versus real-time (RT-)CTF and gastropexy device) for descriptive analysis of demographics, indication for PRG, radiation exposure (DLP), procedural time, number of CT scans, gastropexy time, and complications. Differences were assessed for statistical significance using Fisher's exact test and the Mann-Whitney U-test.</p><p><strong>Results: </strong>Our final study population comprised 100 patients (50 from each center; 62.52 ± 12.36 years, 73 men). There was a significant difference in radiation exposure between MS-CT BM (group 1) and RT-CTF (group 2), with an average dose-length product (DLP) of 56.28 mGycm×m ± 67.89 and 30.91 ± 27.53 mGycm×cm, respectively (<i>p</i> < 0.001). PRG with RT-CTF guidance was significantly faster than PRG with MS-CT BM, with an average difference of 10.28 min (<i>p</i> < 0.001). No significant difference in duration was found between the two gastropexy methods compared (retention anchor suture, 11.50 ± 5.239 s vs. gastropexy device, 11.17 ± 6.015 s; <i>p</i> = 0.463). Complication rates did not differ significantly either (<i>p</i> = 0.458).</p><p><strong>Conclusions: </strong>Our findings indicate comparable efficacy and safety of the two gastropexy methods and underscore that the choice of CTF mode for image guidance has only a small role in reducing radiation exposure in patients undergoing CT-PRG. Instead, it is essential to avoid control scans.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1754-1766"},"PeriodicalIF":2.2,"publicationDate":"2024-11-06","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598829/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734400","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Correlation of Sarcopenia with Coronary Artery Disease Severity and Pericoronary Adipose Tissue Attenuation: A Coronary CT Study. 肥胖症与冠状动脉疾病严重程度及冠状动脉周围脂肪组织衰减的相关性:冠状动脉 CT 研究
IF 2.2 4区 医学
Tomography Pub Date : 2024-10-30 DOI: 10.3390/tomography10110128
Domenico Albano, Caterina Beatrice Monti, Giovanni Antonio Risoleo, Giacomo Vignati, Silvia Rossi, Edoardo Conte, Daniele Andreini, Francesco Secchi, Stefano Fusco, Massimo Galia, Paolo Vitali, Salvatore Gitto, Carmelo Messina, Luca Maria Sconfienza
{"title":"Correlation of Sarcopenia with Coronary Artery Disease Severity and Pericoronary Adipose Tissue Attenuation: A Coronary CT Study.","authors":"Domenico Albano, Caterina Beatrice Monti, Giovanni Antonio Risoleo, Giacomo Vignati, Silvia Rossi, Edoardo Conte, Daniele Andreini, Francesco Secchi, Stefano Fusco, Massimo Galia, Paolo Vitali, Salvatore Gitto, Carmelo Messina, Luca Maria Sconfienza","doi":"10.3390/tomography10110128","DOIUrl":"10.3390/tomography10110128","url":null,"abstract":"<p><strong>Objective: </strong>To investigate the association between sarcopenia, as appraised with CT-derived muscle metrics, and cardiovascular status, as assessed via coronary CT angiography (CCTA) using the Coronary Artery Disease-Reporting and Data System (CAD-RADS) and with pericoronary adipose tissue (pCAT) metrics.</p><p><strong>Methods: </strong>A retrospective observational study conducted on patients who underwent CCTA. The cross-sectional area (CSA) and attenuation values of the paravertebral muscles at the T8 level and the pectoralis major muscles at the T6 level were measured. The patient height was employed for the normalization of the skeletal muscle CSA. The pCAT attenuation around the coronary arteries was assessed, and the CAD severity was graded using the CAD-RADS reporting system. Regression analyses were performed to assess the impact of demographics, clinical factors, and CT variables on the CAD-RADS and pCAT.</p><p><strong>Results: </strong>A total of 220 patients were included (132 males, median age 65 years). Regression analyses showed the associations of CAD with age and sex (<i>p</i> < 0.001). Familiarity with CAD was related to the left anterior descending artery pCAT (<i>p</i> = 0.002) and circumflex artery pCAT (<i>p</i> = 0.018), whereas age was related to the left anterior descending artery pCAT (<i>p</i> = 0.032). Weak positive correlations were found between the lower muscle density and lower pCAT attenuation (ρ = 0.144-0.240, <i>p</i> < 0.039).</p><p><strong>Conclusions: </strong>This study demonstrated weak associations between the sarcopenia indicators and the cardiovascular risk, as assessed by the CAD severity and pCAT inflammation. However, these correlations were not strong predictors of CAD severity, as age and traditional cardiovascular risk factors overshadowed the impact of sarcopenia in the cardiovascular risk assessment.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1744-1753"},"PeriodicalIF":2.2,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598005/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734403","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
A Review of Factors Affecting Radiation Dose and Image Quality in Coronary CTA Performed with Wide-Detector CT. 影响使用宽探测器 CT 进行冠状动脉 CTA 的辐射剂量和图像质量的因素综述。
IF 2.2 4区 医学
Tomography Pub Date : 2024-10-30 DOI: 10.3390/tomography10110127
Yihan Fan, Tian Qin, Qingting Sun, Mengting Wang, Baohui Liang
{"title":"A Review of Factors Affecting Radiation Dose and Image Quality in Coronary CTA Performed with Wide-Detector CT.","authors":"Yihan Fan, Tian Qin, Qingting Sun, Mengting Wang, Baohui Liang","doi":"10.3390/tomography10110127","DOIUrl":"10.3390/tomography10110127","url":null,"abstract":"<p><p>Compared with traditional invasive coronary angiography (ICA), coronary CT angiography (CCTA) has the advantages of being rapid, economical, and minimally invasive. The wide-detector CT, with its superior temporal resolution and robust three-dimensional reconstruction technology, thus enables CCTA in patients with high heart rates and arrhythmias, leading to a high potential for clinical application. This paper systematically summarizes wide-detector CT hardware configurations of various vendors routinely used for CCTA examinations and reviews the effects of patient heart rate and heart rate variability, scanning modality, reconstruction algorithms, tube voltage, and scanning field of view on image quality and radiation dose. In addition, novel technologies in the field of CT applied to CCTA examinations are also presented. Since this examination has a diagnostic accuracy that is highly consistent with ICA, it can be further used as a routine examination tool for coronary artery disease in clinical practice.</p>","PeriodicalId":51330,"journal":{"name":"Tomography","volume":"10 11","pages":"1730-1743"},"PeriodicalIF":2.2,"publicationDate":"2024-10-30","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11598146/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142734349","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Micro-CT Microcalcification Analysis: A Scoping Review of Current Applications and Future Potential in Breast Cancer Research. 显微 CT 微钙化分析:乳腺癌研究中当前应用和未来潜力的范围综述》。
IF 2.2 4区 医学
Tomography Pub Date : 2024-10-24 DOI: 10.3390/tomography10110126
Redona Brahimetaj, Jan Cornelis, Bart Jansen
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