Ultrasound Quarterly最新文献_第3页

Arrival-Time Parametric Imaging in Contrast-Enhanced Ultrasound for Diagnosing Fibrosis in Primary Biliary Cholangitis: Erratum. 对比增强超声中的到达时间参数成像用于诊断原发性胆道胆管炎的纤维化：勘误。

IF 0.7 4区医学

Ultrasound Quarterly Pub Date : 2024-06-18 eCollection Date: 2024-09-01 DOI: 10.1097/RUQ.0000000000000682

引用次数: 0

Preoperative Role of Superb Microvascular Imaging and Shear-Wave Elastography for Prediction of Axillary Lymph Node Metastasis in Patients With Breast Cancer. 超声微血管成像和剪切波弹性成像在预测癌症患者腋窝淋巴结转移中的术前作用。

IF 1.3 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000671

Iclal Nur Bulut, Yasemin Kayadibi, Enes Deger, Seda Aladag Kurt, Mehmet Velidedeoglu, Irem Onur, Tulin Ozturk, Ibrahim Adaletli

{"title":"Preoperative Role of Superb Microvascular Imaging and Shear-Wave Elastography for Prediction of Axillary Lymph Node Metastasis in Patients With Breast Cancer.","authors":"Iclal Nur Bulut, Yasemin Kayadibi, Enes Deger, Seda Aladag Kurt, Mehmet Velidedeoglu, Irem Onur, Tulin Ozturk, Ibrahim Adaletli","doi":"10.1097/RUQ.0000000000000671","DOIUrl":"10.1097/RUQ.0000000000000671","url":null,"abstract":"Abstract: This study aims to evaluate the role of shearwave elastography (SWE) and superb microvascular imaging (SMI) for preoperative prediction of axillary lymph node metastasis (ALNM) in patients with breast cancer. In a cohort of 214 women with breast cancer, B-Mode ultrasonography (US), SMIvascular-index (SMIvi), and SWE (E-mean, E-ratio) values were recorded before tru-cut biopsy. Axillary fine-needle aspiration biopsy (FNAB) and sentinel lymph node sampling results were collected. Imaging findings and histopathological data were statistically compared. Receiver operating characteristic curve analysis was used to evaluate diagnostic performance. Reverse stepwise logistical regression analysis was conducted. Although ALNM was negative in 111 cases, it was positive in 103 patients. Axillary lymph node metastasis (+) group had larger size ( P < 0.001), higher vascularization (SMIvi: 8.0 ± 6.0 versus 5.0 ± 4.3, P < 0.001), and higher elasticity value (E-mean: 129 ± 31 kPa versus 117.3 ± 40 kPa, P = 0.014). Axillary lymph node metastasis was observed statistically more frequently in Her-2 positive cases ( P = 0.005). There was no significant difference between other B-mode US findings ( P > 0.05), SMI Adler ( P = 0.878), and E-ratio ( P = 0.212). The most appropriate cutoff value for the prediction of ALNM was 23.5 mm for size, 3.8 for SMIvi, and 138.5 kPa for E-mean. The most sensitive (77%) method was the SMIvi measurement, while the most specific (86%) finding was Her-2 positivity. The combined model (being Her-2 positive, >23.5 cm, and >3.8 SMIvi) increased the specificity (78%), PPV (71%), and accuracy (68%). Although the increased size is a previously studied parameter in predicting the risk of ALNM, Her-2 and data obtained by SWE, and SMI can be used to assist conventional US.","PeriodicalId":49116,"journal":{"name":"Ultrasound Quarterly","volume":" ","pages":"111-118"},"PeriodicalIF":1.3,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71428261","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Role of Shear Wave Elastography of Placenta in Prediction of Preeclampsia in High-Risk Pregnancy. 胎盘剪切波弹性成像在预测高危妊娠子痫前期中的作用

IF 1.3 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000662

Tulika Singh, Shayeri Roy Choudhury, Mandeep Singh, Veenu Singla, Vanita Jain

{"title":"Role of Shear Wave Elastography of Placenta in Prediction of Preeclampsia in High-Risk Pregnancy.","authors":"Tulika Singh, Shayeri Roy Choudhury, Mandeep Singh, Veenu Singla, Vanita Jain","doi":"10.1097/RUQ.0000000000000662","DOIUrl":"10.1097/RUQ.0000000000000662","url":null,"abstract":"Abstract: The aim of our study was to compare the placental elasticity values between normal pregnancies and preeclamptic pregnancies and evaluate the utility of shear-wave elastography of the placenta as a predictor for preeclampsia in high-risk pregnancy. A prospective study was performed with 90 singleton high-risk pregnancies having any of the 7 risk factors for developing preeclampsia (primigravida, history of preeclampsia, family history of preeclampsia, history of pregestational diabetes, chronic hypertension, advanced maternal age [≥40 years], and body mass index ≥26 kg/m 2 ) were enrolled in the study. Shear-wave elastography was performed in all patients at 20 to 24 weeks' gestation and at 34 to 36 weeks' gestation, at 2 sites: center and edge of the placenta. The patients were divided into 2 groups: normal pregnancies (group A) or developed preeclampsia (group B). Women with posterior placentation, obstetric disorders other than preeclampsia, or multiple gestation were excluded from the study. Group comparisons were done using the χ2 test or Fisher exact test. Shear-wave elasticity values at 20 to 24 weeks' gestation for group B at the center of the placenta (21.73 vs 9.72 kPa) and at the edge of the placenta (21.6 kPa vs 10.15 kPa) were significantly higher than those for group A ( P < 0.05). Similar results were seen at 34 to 36 weeks' gestation. With a cutoff of 13.1 kPa, we attained sensitivity of 95.2%, specificity of 92.8% and diagnostic accuracy of 93.3% for predicting development of preeclampsia. Patients with preeclampsia have a significantly higher stiffness of the placenta. Shear-wave elastography is useful to evaluate placental function. Elastography can be used as a supplementary tool for prediction of preeclampsia.","PeriodicalId":49116,"journal":{"name":"Ultrasound Quarterly","volume":" ","pages":"119-125"},"PeriodicalIF":1.3,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139404876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Carotid Artery Stenosis: Grayscale and Doppler Ultrasound Diagnosis-Society of Radiologists in Ultrasound Consensus Conference: Erratum. 颈动脉狭窄：灰阶和多普勒超声诊断--超声放射医师学会共识会议：勘误。

IF 1.3 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000679

引用次数: 0

In Vivo Sonoporation Effect Under the Presence of a Large Amount of Micro-Nano Bubbles in Swine Liver. 猪肝脏中存在大量微纳米气泡的体内声蒸发效应。

IF 1.3 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000659

Yutaka Ueno, Shuji Kariya, Yasuyuki Ono, Takuji Maruyama, Miyuki Nakatani, Atsushi Komemushi, Noboru Tanigawa

{"title":"In Vivo Sonoporation Effect Under the Presence of a Large Amount of Micro-Nano Bubbles in Swine Liver.","authors":"Yutaka Ueno, Shuji Kariya, Yasuyuki Ono, Takuji Maruyama, Miyuki Nakatani, Atsushi Komemushi, Noboru Tanigawa","doi":"10.1097/RUQ.0000000000000659","DOIUrl":"10.1097/RUQ.0000000000000659","url":null,"abstract":"Objectives: Sonoporation as a method of intracellular drug and gene delivery has not yet progressed to being used in vivo. The aim of this study was to prove the feasibility of sonoporation at a level practical for use in vivo by using a large amount of carbon dioxide micro-nano bubbles.Methods: The carbon dioxide micro-nano bubbles and 100 mg of cisplatin were intra-arterially injected to the swine livers, and ultrasound irradiation was performed from the surface of the liver under laparotomy during the intra-arterial injection. After the intra-arterial injection, ultrasound-irradiated and nonirradiated liver tissues were immediately excised. Tissue platinum concentration was measured using inductively coupled plasma mass spectrometry. Liver tissue platinum concentrations were compared between the irradiated tissue and nonirradiated tissue using the Wilcoxon signed rank test.Results: The mean (SD) liver tissue platinum concentration was 6.260*103 (2.070) ng/g in the irradiated liver tissue and 3.280*103 (0.430) ng/g in the nonirradiated liver tissue, showing significantly higher concentrations in the irradiated tissue ( P = 0.004).Conclusions: In conclusion, increasing the tissue concentration of administered cisplatin in the livers of living swine through the effect of sonoporation was possible in the presence of a large amount of micro-nano bubbles.","PeriodicalId":49116,"journal":{"name":"Ultrasound Quarterly","volume":" ","pages":"144-148"},"PeriodicalIF":1.3,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71428257","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Combining Spleen Diameter and the Baveno VI Criteria Assessed by 2-Dimensional Shear Wave Elastography to Rule Out High-Risk Varices. 结合二维剪切波弹性成像评估的脾脏直径和 Baveno VI 标准，排除高风险静脉曲张。

IF 1.3 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000674

Zhilin Zhang, Huihui Zhou, Kunlong Duan, Feifei Chen, Jun Zhang, Lin Sang, Xiansheng Zhu, Ming Yu

{"title":"Combining Spleen Diameter and the Baveno VI Criteria Assessed by 2-Dimensional Shear Wave Elastography to Rule Out High-Risk Varices.","authors":"Zhilin Zhang, Huihui Zhou, Kunlong Duan, Feifei Chen, Jun Zhang, Lin Sang, Xiansheng Zhu, Ming Yu","doi":"10.1097/RUQ.0000000000000674","DOIUrl":"10.1097/RUQ.0000000000000674","url":null,"abstract":"Abstract: Patients with compensated advanced chronic liver disease (cACLD) can safely spared screening esophagogastroduodenoscopy (EGD) when they meet the Baveno VI criteria as assessed by transient elastography. Recently, the cutoff values of the Baveno VI criteria assessed by 2-dimensional shear wave elastography (2D-SWE) were proposed. We aimed to validate it to rule out high-risk varices (HRVs) in cACLD patients; combine spleen diameter (SPD) with the Baveno VI criteria and assess whether it can spare more screening EGD. A total of 173 cACLD patients with successful liver stiffness (LS) measurements and EGD examinations were included. We analyzed the risk factors that predicted HRVs and compared the performances of different models for ruling out HRVs. The platelet count, LS, and SPD were independent predictors of HRVs. The AUCs of platelet count, LS, spleen stiffness and SPD for diagnosing HRVs were 0.797, 0.757, 0.834, and 0.804, respectively. The Baveno VI criteria assessed by 2D-SWE spared 25.4% of EGD screenings and missed 2.4% of the HRV patients. Combining SPD ≤11.1 cm with the Baveno VI criteria could spare more EGD screenings than just applying the Baveno VI criteria (45.1% vs 25.4%, P < 0.001), and missed 4.9% of the HRV patients. The Baveno VI criteria assessed by 2D-SWE could be safely applied in cACLD patients to rule out HRV patients. The combined model Baveno VI/SPD could safely and significantly increase the rate of spared EGD.","PeriodicalId":49116,"journal":{"name":"Ultrasound Quarterly","volume":" ","pages":"104-110"},"PeriodicalIF":1.3,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140111913","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Detection Rate of Small Pancreas Cysts and Intrareader Reliability of the Cysts Size Measurements on Transabdominal Ultrasonography. 经腹超声波检查胰腺小囊肿的检出率和囊肿大小测量的机内可靠性

IF 1.3 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000657

Do Won Yoon, Dong Kyu Kim, Taeho Kim, Kyu-Chong Lee

{"title":"Detection Rate of Small Pancreas Cysts and Intrareader Reliability of the Cysts Size Measurements on Transabdominal Ultrasonography.","authors":"Do Won Yoon, Dong Kyu Kim, Taeho Kim, Kyu-Chong Lee","doi":"10.1097/RUQ.0000000000000657","DOIUrl":"10.1097/RUQ.0000000000000657","url":null,"abstract":"Abstract: This study aimed to assess the detection rate of small (<10 mm) pancreas cyst and intrareader reliability for cyst size measurements on transabdominal ultrasonography (US). From 2020 to 2022, 194 pancreas cysts in 173 patients, incidentally detected on computed tomography or magnetic resonance imaging, were evaluated on US by 1 of 2 radiologists (readers 1 and 2). Intrareader agreements of cyst size measurements on US were assessed by intraclass correlation coefficient (ICC). Bland-Altman plot was used to visualize the differences between the first and second size measurements in each reader. In this study, readers 1 and 2 evaluated 86 cysts in 76 patients and 108 cysts in 97 patients, respectively. Most of the cysts (191 of 194) were located in the nontail portion of the pancreas. Overall detection rate of pancreas cysts by US was 92.3% (179 of 194). The mean size of measured 179 pancreas cysts was 4.7 ± 1.5 mm. The readers showed excellent intrareader agreements (ICC = 0.925 and 0.960) for cyst size measurements, except for the cysts with size ≤5 mm, where both readers showed good intrareader agreements (ICC = 0.848 and 0.873). The 95% limits of agreement of readers 1 and 2 were 13.8% and 14.9% of the mean, respectively. Therefore, transabdominal US could be a reliable follow-up imaging modality for small (<10 mm) nontail pancreas cysts incidentally detected on computed tomography or magnetic resonance imaging, especially for the cysts with size between 5 and 10 mm. Size changes of the pancreas cysts approximately less than 15% may be within the measurement error.","PeriodicalId":49116,"journal":{"name":"Ultrasound Quarterly","volume":" ","pages":"132-135"},"PeriodicalIF":1.3,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"140111914","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

The Right Ventricular Fetal Tricuspid Annular Plane Systolic Excursion Index Is a New Index for Evaluating Fetal Cardiac Function of Gestational Hypertension. 胎儿右心室三尖瓣环平面收缩偏移指数是评价妊娠高血压胎儿心功能的新指标。

IF 0.7 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000658

Shao-Zheng He, Fang-Ping Lai, Piao-Yi Zeng, Shi-Jie Zhang, Guo-Rong Lyu

{"title":"The Right Ventricular Fetal Tricuspid Annular Plane Systolic Excursion Index Is a New Index for Evaluating Fetal Cardiac Function of Gestational Hypertension.","authors":"Shao-Zheng He, Fang-Ping Lai, Piao-Yi Zeng, Shi-Jie Zhang, Guo-Rong Lyu","doi":"10.1097/RUQ.0000000000000658","DOIUrl":"10.1097/RUQ.0000000000000658","url":null,"abstract":"Abstract: The right ventricular fetal tricuspid annular plane systolic excursion index (FTI) can be used to evaluate right ventricular systolic function. The purpose of this study was to establish the reference range of the FTI in normal fetuses and evaluate its diagnostic value in hypertensive disorders during pregnancy. In this prospective observational study, the right ventricular FTI was measured in 208 normal single-gestation fetuses between 20 and 40 weeks. With the increase in gestational age, the right ventricular FTI did not significantly fluctuate. With the increase in the severity of HDCP, the right ventricular FTI decreased gradually. Compared with the normal group, the low right ventricular FTI group had a higher incidence of premature delivery and emergency delivery due to continuous abnormal fetal heart monitoring, but there were no significant differences in low birth weight, new born Apgar score less than 7 in 5 minutes, or admission to the neonatal intensive care unit. The FTI of the right ventricle of normal fetuses is relatively constant at different gestational weeks. The right ventricular FTI can be used to evaluate fetal cardiac function changes in pregnant women with HDCP.","PeriodicalId":49116,"journal":{"name":"Ultrasound Quarterly","volume":" ","pages":"126-131"},"PeriodicalIF":0.7,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"71428262","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Ultrasound Microbubble-Stimulated miR-145-5p Inhibits Malignant Behaviors of Breast Cancer Cells by Targeting ACTG1. 超声微泡刺激的 miR-145-5p 通过靶向 ACTG1 抑制乳腺癌细胞的恶性行为

IF 1.3 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000678

Liang Ren, Li Wang, Xuelin Yi, Yang Tan, Lingxian Yi, Jinlan He, Danping Li

{"title":"Ultrasound Microbubble-Stimulated miR-145-5p Inhibits Malignant Behaviors of Breast Cancer Cells by Targeting ACTG1.","authors":"Liang Ren, Li Wang, Xuelin Yi, Yang Tan, Lingxian Yi, Jinlan He, Danping Li","doi":"10.1097/RUQ.0000000000000678","DOIUrl":"10.1097/RUQ.0000000000000678","url":null,"abstract":"Abstract: Ultrasound-targeted microbubble destruction (UTMD) technology combines ultrasound with a variety of functional microbubble vectors to enhance the transfection and expression of target genes, and has become a promising noninvasive method for localized gene transfer, which is widely used in gene therapy for cancer. This research aimed to explore the role of UTMD-mediated miR-145-5p on breast cancer (BC) tumorigenesis and the underlying mechanisms. To achieve UTMD-mediated miR-145-5p overexpression, BC cells were cotransfected with microbubbles (MBs) and miR-145-5p mimics. The BC cell malignant phenotypes were assessed through CCK-8, wound healing, and transwell assays. MiR-145-5p and actin gamma 1 (ACTG1) binding relationship was verified through luciferase reporter and RNA pull-down assays. MiR-145-5p and ACTG1 levels in BC cells and tissues were detected through RT-qPCR and Western blotting. ACTG1 was upregulated, whereas miR-145-5p was downregulated in BC cells and tissues. MiR-145-5p targeted ACTG1 and negatively regulated its level in BC cells. Overexpressing miR-145-5p restrained BC cell growth, migration, and invasion. Ultrasound-targeted microbubble destruction improved the overexpression efficiency of miR-145-5p and enhanced the suppressive influence on BC cell malignant phenotypes. In addition, ACTG1 overexpression compromises the repression of UTMD-mediated miR-145-5p on cellular behaviors in BC. Ultrasound-targeted microbubble destruction-delivered miR-145-5p hindered malignant behaviors of BC cells through downregulating ACTG1.","PeriodicalId":49116,"journal":{"name":"Ultrasound Quarterly","volume":" ","pages":"136-143"},"PeriodicalIF":1.3,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139730770","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

Endosonography Elastography and Magnetic Resonance Imaging in the Restaging and Response Assessment of Rectal Cancer After Neoadjuvant Therapy. 内超声弹性成像和磁共振成像在直肠癌新辅助治疗后的重新分期和反应评估中的应用

IF 1.3 4区医学

Ultrasound Quarterly Pub Date : 2024-06-01 DOI: 10.1097/RUQ.0000000000000676

Xuemei Tang, Hongmei Yuan, Xurong Mu, Peng Gu, Pengfei Kong

{"title":"Endosonography Elastography and Magnetic Resonance Imaging in the Restaging and Response Assessment of Rectal Cancer After Neoadjuvant Therapy.","authors":"Xuemei Tang, Hongmei Yuan, Xurong Mu, Peng Gu, Pengfei Kong","doi":"10.1097/RUQ.0000000000000676","DOIUrl":"10.1097/RUQ.0000000000000676","url":null,"abstract":"Abstract: The objective of this academic research is to assess the efficacy of conventional endorectal ultrasound (ERUS), ultrasonic shear wave elastography (SWE), and magnetic resonance imaging (MRI) techniques in evaluating the impact of neoadjuvant therapy (nCRT). Forty-five patients with advanced low rectal cancer (T ≥ 3) were included. Before and after nCRT, ERUS, SWE, and MRI evaluations were conducted. The T staging of ultrasound (uT) and MRI (mT) were evaluated and compared with the pathological T staging (ypT). The accuracy of the 2 diagnostic methods for T staging, and T downstaging was evaluated. The ultrasound elasticity difference and relative elasticity before and after treatment and pathological T downstaging were compared, and its cutoff value and the area under the curve were assessed. In terms of T staging accuracy after chemoradiotherapy, the values for ERUS, ERUS combined with SWE, and MRI were 64.4%, 71.1%, and 62.2%, respectively. No significant difference was observed among these groups ( P > 0.05). The accuracy of uT downstaging was 84.4%, and that of mT downstaging was 88.9%. The receiver operating characteristic curve of uLD and elastic differences and relative elasticity of T downstaging after treatment were 0.754, 0.817, and 0.886, respectively (all P < 0.05). Both ERUS and MRI can evaluate ypT downstaging. The indicators for evaluating T downstaging are uLD, elasticity difference, and relative elasticity, providing more reference for clinical assessment of nCRT efficacy.","PeriodicalId":49116,"journal":{"name":"Ultrasound Quarterly","volume":" ","pages":"98-103"},"PeriodicalIF":1.3,"publicationDate":"2024-06-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"139900788","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":4,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0