European Journal of Radiology Open最新文献

{"title":"Automated advanced imaging in acute ischemic stroke. Certainties and uncertainties","authors":"Enrico Fainardi ,&nbsp;Giorgio Busto ,&nbsp;Andrea Morotti","doi":"10.1016/j.ejro.2023.100524","DOIUrl":"10.1016/j.ejro.2023.100524","url":null,"abstract":"<div><p>The purpose of this is study was to review pearls and pitfalls of advanced imaging, such as computed tomography perfusion and diffusion-weighed imaging and perfusion-weighted imaging in the selection of acute ischemic stroke (AIS) patients suitable for endovascular treatment (EVT) in the late time window (6–24 h from symptom onset). Advanced imaging can quantify infarct core and ischemic penumbra using specific threshold values and provides optimal selection parameters, collectively called target mismatch. More precisely, target mismatch criteria consist of core volume and/or penumbra volume and mismatch ratio (the ratio between total hypoperfusion and core volumes) with precise cut-off values. The parameters of target mismatch are automatically calculated with dedicated software packages that allow a quick and standardized interpretation of advanced imaging. However, this approach has several limitations leading to a misclassification of core and penumbra volumes. In fact, automatic software platforms are affected by technical artifacts and are not interchangeable due to a remarkable vendor-dependent variability, resulting in different estimate of target mismatch parameters. In addition, advanced imaging is not completely accurate in detecting infarct core, that can be under- or overestimated. Finally, the selection of candidates for EVT remains currently suboptimal due to the high rates of futile reperfusion and overselection caused by the use of very stringent inclusion criteria. For these reasons, some investigators recently proposed to replace advanced with conventional imaging in the selection for EVT, after the demonstration that non-contrast CT ASPECTS and computed tomography angiography collateral evaluation are not inferior to advanced images in predicting outcome in AIS patients treated with EVT. However, other authors confirmed that CTP and PWI/DWI postprocessed images are superior to conventional imaging in establishing the eligibility of patients for EVT. Therefore, the routine application of automatic assessment of advanced imaging remains a matter of debate. Recent findings suggest that the combination of conventional and advanced imaging might improving our selection criteria.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100524"},"PeriodicalIF":2.0,"publicationDate":"2023-09-20","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/d5/3f/main.PMC10523426.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41154793","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Posterior circulation cerebral infarction: A review of clinical, imaging features, management, and outcomes","authors":"Rashid A. Ahmed ,&nbsp;Adam A. Dmytriw ,&nbsp;Robert W. Regenhardt ,&nbsp;Thabele M. Leslie-Mazwi ,&nbsp;Joshua A. Hirsch","doi":"10.1016/j.ejro.2023.100523","DOIUrl":"10.1016/j.ejro.2023.100523","url":null,"abstract":"<div><h3>Objective</h3><p>This narrative review discusses posterior circulation cerebral infarcts (PCCI) and provides an update given recent randomized trials in the management of basilar artery occlusion (BAO). We examine clinical characteristics, imaging protocols, management updates, and outcomes of PCCI.</p></div><div><h3>Methods</h3><p>The following databases were searched: MEDLINE, Scopus, Google Scholar, and Web of Science for articles on PCCI. We included randomized trials and observational studies in humans. We also reviewed relevant references from the literature identified.</p></div><div><h3>Results</h3><p>PCCI and BAO is associated with high morbidity and mortality. Early assessment and accurate diagnosis of PCCI remains a clinical challenge. Neuroimaging advances have improved early detection, but barriers remain due to costs and availability. Recent randomized trials provide new insights for BAO patients and support the efficacy of endovascular thrombectomy.</p></div><div><h3>Discussion</h3><p>PCCI requires specific diagnostic and management that is distinct from anterior circulation stroke. While further studies are needed in varied populations and in the subset of BAO patients presenting with milder deficits, growing randomized data support the treatment of BAO patients with endovascular thrombectomy.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100523"},"PeriodicalIF":2.0,"publicationDate":"2023-09-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10511775/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"41172774","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Multisequence MRI-based radiomics nomogram for early prediction of osimertinib resistance in patients with non-small cell lung cancer brain metastases","authors":"Xinna Lv ,&nbsp;Ye Li ,&nbsp;Xiaoyue Xu ,&nbsp;Ziwei Zheng ,&nbsp;Fang Li ,&nbsp;Kun Fang ,&nbsp;Yue Wang ,&nbsp;Bing Wang ,&nbsp;Dailun Hou","doi":"10.1016/j.ejro.2023.100521","DOIUrl":"10.1016/j.ejro.2023.100521","url":null,"abstract":"<div><h3>Background</h3><p>Osimertinib resistance is a major problem in the course of targeted therapy for non-small cell lung cancer (NSCLC) patients. To develop and validate a multisequence MRI-based radiomics nomogram for early prediction of osimertinib resistance in NSCLC with brain metastases (BM).</p></div><div><h3>Methods</h3><p>Pretreatment brain MRI of 251 NSCLC patients proven with BM were retrospectively enrolled from two centers (training cohort: 196 patients; testing cohort: 55 patients). According to the gene test result of osimertinib resistance, patients were labeled as resistance and non-resistance groups (training cohort: 65 versus 131 patients; testing cohort: 25 versus 30 patients). Radiomics features were extracted from T2WI, T2 fluid-attenuated inversion recovery (T2-FLAIR), diffusion weighted imaging (DWI) and contrast-enhanced T1-weighted imaging (T1-CE) sequences separately and radiomics score (rad-score) were built from the four sequences. Then a multisequence MRI-based nomogram was developed and the predictive ability was evaluated by ROC curves and calibration curves.</p></div><div><h3>Results</h3><p>The rad-scores of the four sequences has significant differences between resistance and non-resistance groups in both training and testing cohorts. The nomogram achieved the highest predictive ability with area under the curve (AUC) of 0.989 (95 % confidence interval, 0.976–1.000) and 0.923 (95 % confidence interval, 0.851–0.995) in the training and testing cohort respectively. The calibration curves showed excellent concordance between the predicted and actual probability of osimertinib resistance using the radiomics nomogram.</p></div><div><h3>Conclusions</h3><p>The multisequence MRI-based radiomics nomogram can be used as a noninvasive auxiliary tool to identify candidates who were resistant to osimertinib, which could guide clinical therapy for NSCLC patients with BM.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100521"},"PeriodicalIF":2.0,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/97/92/main.PMC10485591.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10219121","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Exploiting endovascular aortic repair as a minimally invasive method – Nine years of experience in a non-university hospital","authors":"Lars Borgen ,&nbsp;Kjartan Aasekjær ,&nbsp;Øyvind Werpen Skoe","doi":"10.1016/j.ejro.2023.100522","DOIUrl":"10.1016/j.ejro.2023.100522","url":null,"abstract":"<div><h3>Background</h3><p>At the introduction of endovascular aortic repair (EVAR) in 2013 in our non-university hospital, we established a quality registry to monitor our EVAR activity.</p></div><div><h3>Purpose</h3><p>To observe if we over time were able to exploit EVAR as a minimally invasive method in an elective as well as emergency setting, and to monitor our treatment quality in terms of complications, secondary interventions and mortality.</p></div><div><h3>Material and methods</h3><p>From November 2013 to March 2022, we treated 207 patients with EVAR, including six patients with rupture. Follow-up regimen was partly based on contrast-enhanced computer tomography, and partly on contrast-enhanced ultrasound in combination with plain radiography.</p></div><div><h3>Results</h3><p>During the observation period, the method of anesthesia changed from general, via spinal, to local anesthesia. The groin access changed from surgical cut down to percutaneous and the median length of postoperative stay decreased from 3 days to 1 day. EVAR on ruptured aneurysm was done for the first time in 2019. Endoleak was detected in 85 patients (42%) and 37 patients (18%) had one or more secondary interventions, of which 85% were endovascular. Estimated five-year survival was 72% in patients below 80 years of age and 45% in patients 80 years or older.</p></div><div><h3>Conclusion</h3><p>Nine years of experience enabled us to exploit EVAR’s advantages as a minimally invasive method in an elective as well as emergency setting. Complications, secondary interventions and survival rates in our low volume non-university hospital matches results from larger vascular centers.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100522"},"PeriodicalIF":2.0,"publicationDate":"2023-09-04","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10493885/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10285132","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Fat fraction and R2 * values of various liver masses: Initial experience with 6-point Dixon method on a 3T MRI system","authors":"Taichi Kitagawa ,&nbsp;Kazuto Kozaka ,&nbsp;Takashi Matsubara ,&nbsp;Tetsuya Wakayama ,&nbsp;Atsushi Takamatsu ,&nbsp;Tomohiro Kobayashi ,&nbsp;Kenichiro Okumura ,&nbsp;Kotaro Yoshida ,&nbsp;Norihide Yoneda ,&nbsp;Azusa Kitao ,&nbsp;Satoshi Kobayashi ,&nbsp;Toshifumi Gabata ,&nbsp;Osamu Matsui ,&nbsp;Jay P. Heiken","doi":"10.1016/j.ejro.2023.100519","DOIUrl":"10.1016/j.ejro.2023.100519","url":null,"abstract":"<div><h3>Purpose</h3><p>To assess the feasibility of the 6-point Dixon method for evaluating liver masses. We also report our initial experience with the quantitative values in various liver masses on a 3T system.</p></div><div><h3>Materials and methods</h3><p>Of 251 consecutive patients for whom 6-point Dixon was employed in abdominal magnetic resonance imaging scans between October 2020 and October 2021, 117 nodules in 117 patients with a mass diameter of more than 1 cm were included in the study. Images for measuring the proton density fat fraction (PDFF) and R2 * values were obtained using the iterative decomposition of water and fat with echo asymmetry and least-squares estimation-quantitative technique for liver imaging. Two radiologists independently measured PDFF (%) and R2 * (Hz). Inter-reader agreement and the differences between readers were examined using intra-class correlation coefficient (ICC) and the Bland-Altman method, respectively. PDFF and R2 * values in differentiating liver masses were examined.</p></div><div><h3>Results</h3><p>The masses included hepatocellular carcinoma (n = 59), cyst (n = 20), metastasis (n = 14), hemangioma (n = 8), and others (n = 16). The ICCs for the region of interest (mm²), PDFF, and R2 * were 0.988 (95 % confidence interval (CI): 0.983, 0.992), 0.964 (95 % CI: 0.949, 0.975), and 0.962 (95 % CI: 0.941, 0.975), respectively. The differences of measurements between the readers showed that 5.1 % (6/117) and 6.0% (7/117) for PDFF and R2 * , respectively, were outside the 95 % CI.</p></div><div><h3>Conclusion</h3><p>Our observation indicates that the 6-point Dixon method is applicable to liver masses.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100519"},"PeriodicalIF":2.0,"publicationDate":"2023-08-17","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/f0/59/main.PMC10440393.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10114862","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Abbreviated breast MRI for evaluating breast cancer before initiation of neoadjuvant chemotherapy: A cross-sectional study","authors":"Arvin Arian ,&nbsp;Mohamad Ghazanfari Hashemi ,&nbsp;Vahid Talebi ,&nbsp;Nasrin AhmadiNejad ,&nbsp;Bita Eslami ,&nbsp;Nahid Sedighi ,&nbsp;Ramesh Omranipour","doi":"10.1016/j.ejro.2023.100517","DOIUrl":"10.1016/j.ejro.2023.100517","url":null,"abstract":"<div><h3>Background</h3><p>Although, there are accumulating evidence about diagnostic role of abbreviated breast magnetic resonance imaging (MRI) in screening setting, the implementation of abbreviated MRI in staging of breast cancer has been poorly elucidated.</p></div><div><h3>Objective</h3><p>To evaluate the diagnostic performance of abbreviated breast MRI in estimating extent of disease before initiation of neoadjuvant chemotherapy.</p></div><div><h3>Methods</h3><p>A total of 54 patients with biopsy-proven main lesion referred to evaluate by standard protocol breast MRI before initiation of neoadjuvant chemotherapy were retrospectively enrolled. From a standard protocol, a data set of abbreviated protocol consisting fat-saturated T1-weighted (T1W) pre-contrast and first two fat-saturated T1W post-contrast series with reconstruction of their subtraction including maximum intensity projection (MIP) were obtained and interpreted. The concordance rate of abbreviated with standard protocol (as a reference standard) were compared. Diagnostic accuracy, sensitivity, specificity, and positive and negative predictive value were calculated, as well.</p></div><div><h3>Results</h3><p>The maximum size of the main mass was 38.6 ± 17.3 and 40.7 ± 17.9 for abbreviated and standard protocol, respectively. All of the main mass was detected by abbreviated protocol with 100% concordance. Concordance was 98.1% and 94.4% in terms of multifocal/multicentric status and for estimating of NME, respectively. The abbreviated protocol has high sensitivity and specificity with more than 90% value regarding main mass detection, measurement of the maximum size of the main mass, determination of multifocal/multicenter status and NAC involvement.</p></div><div><h3>Conclusion</h3><p>Abbreviated protocol may be a reliable surrogate for standard protocol breast MRI in evaluating extent of breast cancer.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100517"},"PeriodicalIF":2.0,"publicationDate":"2023-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/e4/02/main.PMC10440387.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10114861","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Diagnosis and management of tandem occlusion in acute ischemic stroke","authors":"Antonio Di Donna ,&nbsp;Gianluca Muto ,&nbsp;Flavio Giordano ,&nbsp;Massimo Muto ,&nbsp;Gianluigi Guarnieri ,&nbsp;Giovanna Servillo ,&nbsp;Antonio De Mase ,&nbsp;Emanuele Spina ,&nbsp;Giuseppe Leone","doi":"10.1016/j.ejro.2023.100513","DOIUrl":"https://doi.org/10.1016/j.ejro.2023.100513","url":null,"abstract":"<div><p>Approximately 20–30% of patients with acute ischemic stroke, caused by large intracranial vessel occlusion, have a tandem lesion, defined as simultaneous presence of high-grade stenosis or occlusion of the cervical internal carotid artery and thromboembolic occlusion of the intracranial terminal internal carotid artery or its branches, usually the middle cerebral artery. Patients with tandem lesions have usually worse outcomes than patients with single intracranial occlusions, and intravenous thrombolysis is less effective in these patients. Although endovascular thrombectomy is currently a cornerstone therapy in the management of acute ischemic stroke due to large vessel occlusion, the optimal management of extracranial carotid lesions in tandem occlusion remains controversial. Acute placement of a stent in the cervical carotid artery lesion is the most used therapeutic strategy compared with stented balloon angioplasty and thrombectomy alone without carotid artery revascularization; however, treatment strategies in these patients are often more complex than with single occlusion, so treatment decisions can change based on clinical and technical considerations. The aim of this review is to analyze the results of different studies and trials, investigating the periprocedural neurointerventional management of patients with tandem lesions and the safety, efficacy of the different technical strategies available as well as their impact on the clinical outcome in these patients, to strengthen current recommendations and thus optimize patient care.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100513"},"PeriodicalIF":2.0,"publicationDate":"2023-08-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"49899232","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"MRI features of intraductal papillary mucinous neoplasm of the bile ducts, “The myth about the cyst”: A systematic review","authors":"Matan Kraus ,&nbsp;Eyal Klang ,&nbsp;Shelly Soffer ,&nbsp;Yael Inbar ,&nbsp;Eli Konen ,&nbsp;Tamer Sobeh ,&nbsp;Sara Apter","doi":"10.1016/j.ejro.2023.100515","DOIUrl":"10.1016/j.ejro.2023.100515","url":null,"abstract":"<div><h3>Rationale and objectives</h3><p>Intraductal papillary mucinous neoplasm of the bile ducts (IPMN-B) is a true pre-cancerous lesion, which shares common features with pancreatic IPMN (IPMN-P). While IPMN-P is a well described entity for which guidelines were formulated and revised, IPMN-B is a poorly described entity.</p><p>We carried out a systematic review to evaluate the existing literature, emphasizing the role of MRI in IPMN-B depiction.</p></div><div><h3>Materials and methods</h3><p>PubMed database was used to identify original studies and case series that reported MR Imaging features of IPMN-B. The search keywords were \"IPMN OR intraductal papillary mucinous neoplasm OR IPNB OR intraductal papillary neoplasm of the bile duct AND Biliary OR biliary cancer OR hepatic cystic lesions”. Risk of bias and applicability were evaluated using the QUADAS-2 tool.</p></div><div><h3>Results</h3><p>884 Records were Identified through database searching. 12 studies satisfied the inclusion criteria, resulting in MR features of 288 patients. All the studies were retrospective. Classic features of IPMN-B are under-described. Few studies note worrisome features, concerning for an underlying malignancy. 50 % of the studies had a high risk of bias and concerns regarding applicability.</p></div><div><h3>Conclusions</h3><p>The MRI features of IPMN-B are not well elaborated and need to be further studied. Worrisome features and guidelines regarding reporting the imaging findings should be established and published. Radiologists should be aware of IPMN-B, since malignancy diagnosis in an early stage will yield improved prognosis</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100515"},"PeriodicalIF":2.0,"publicationDate":"2023-08-12","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/0d/05/main.PMC10440390.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10060919","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"Reproducibility of quantitative ADC, T1, and T2 measurement on the cerebral cortex: Utility of whole brain echo-planar DWI with compressed SENSE (EPICS-DWI): A pilot study","authors":"Koji Yamashita ,&nbsp;Masami Yoneyama ,&nbsp;Kazufumi Kikuchi ,&nbsp;Tatsuhiro Wada ,&nbsp;Hiroo Murazaki ,&nbsp;Hiroaki Watanuki ,&nbsp;Ryoji Mikayama ,&nbsp;Kousei Ishigami ,&nbsp;Osamu Togao","doi":"10.1016/j.ejro.2023.100516","DOIUrl":"10.1016/j.ejro.2023.100516","url":null,"abstract":"<div><h3>Purpose</h3><p>To assess the reproducibility of ADC, T1, T2, and proton density (PD) measurements on the cortex across the entire brain using high-resolution pseudo-3D diffusion-weighted imaging using echo-planar imaging with compressed SENSE (EPICS-DWI) and 3D quantification with an interleaved Look-Locker acquisition sequence with T2 preparation pulse (3D-QALAS) in normal healthy adults.</p></div><div><h3>Methods</h3><p>Twelve healthy participants (median age, 33 years; range, 28–51 years) were recruited to evaluate the reproducibility of whole-brain EPICS-DWI and synthetic MRI. EPICS-DWI utilizes a compressed SENSE reconstruction framework while maintaining the EPI sampling pattern. The 3D-QALAS sequence is based on multi-acquisition 3D gradient echo, with five acquisitions equally spaced in time, interleaved with a T2 preparation pulse and an inversion pulse. EPICS-DWI (<em>b</em> values, 0 and 1000 s/mm²) and 3D-QALAS sequence with identical voxel size on a 3.0-T MR system were performed twice (for test-retest scan). Intraclass correlation coefficients (ICCs) for ADC, T1, T2, and PD for all parcellated volume of interest (VOI) per subject on scan-rescan tests were calculated to assess reproducibility. Bland-Altman plots were used to investigate discrepancies in ADCs, T1s, T2s, and PDs obtained from the two MR scans.</p></div><div><h3>Results</h3><p>The ICC of ADCs was 0.785, indicating “good” reproducibility. The ICCs of T1s, T2s, and PDs were 0.986, 0.978, and 0.968, indicating “excellent” reproducibility.</p></div><div><h3>Conclusion</h3><p>The combination of EPICS-DWI and 3D-QALAS sequences with identical voxel size could reproducible ADC, T1, T2, and PD measurements for the cortex across the entire brain in healthy adults.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100516"},"PeriodicalIF":2.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/fa/17/main.PMC10440392.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10059333","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

{"title":"The diagnostic accuracy of mammography and ultrasonography for recurrent breast cancer after breast conserving treatment","authors":"Piyakan Pathanasethpong ,&nbsp;Supajit Nawapun ,&nbsp;Payia Chadbunchachai ,&nbsp;Ongart Somintara ,&nbsp;Chaiwat Apivatanasiri ,&nbsp;Arunnit Boonrod","doi":"10.1016/j.ejro.2023.100514","DOIUrl":"10.1016/j.ejro.2023.100514","url":null,"abstract":"<div><h3>Objective</h3><p>To evaluate the performance of mammography and breast ultrasonography to diagnose tumor recurrence in patients after breast conserving therapy.</p></div><div><h3>Material and Methods</h3><p>Imaging findings of 130 breast cancer patients treated by breast conserving therapy (BCT) who have followed up with mammography and ultrasonography at our center between 1 ^st January 2010 and 1st January 2016 were interpreted by two radiologists. The information of recurrent tumor and baseline data were blinded. Imaging interpretation followed the ACR Breast imaging-reporting and data system (BI-RADS) 5th edition guideline. Findings of mammography, breast ultrasonography, demographic data and histological data were recorded and analyzed.</p></div><div><h3>Results</h3><p>The presence of mass in mammography (P-value=0.025) and internal vascularity in mass in ultrasonography (P-value&lt;0.001) were associated with recurrent tumor at the surgical bed. All the recurrent tumors were interpreted as BI-RADS 4 (71 patients) with sensitivity= 100%, specificity= 89.5%. BIRADS4 is significant in the diagnosis of recurrent breast cancer in BCT patients (AUC of the ROC curve = 0.742 and 95% CI=(0.7–0.79)).</p></div><div><h3>Conclusion</h3><p>The presence of mass in mammography and internal vascularity in the mass in ultrasonography are the imaging findings which were significantly related to recurrent tumor at surgical bed in patient with breast conserving treatment.</p></div>","PeriodicalId":38076,"journal":{"name":"European Journal of Radiology Open","volume":"11 ","pages":"Article 100514"},"PeriodicalIF":2.0,"publicationDate":"2023-08-11","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://ftp.ncbi.nlm.nih.gov/pub/pmc/oa_pdf/59/58/main.PMC10440391.pdf","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"10055284","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}