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Ito T, Manabe H, Kubota M, Komoike Y. Current status and future perspectives of contrast-enhanced ultrasound diagnosis of breast lesions. J Med Ultrason (2001) 2024:10.1007/s10396-024-01486-0. [PMID: 39174799 DOI: 10.1007/s10396-024-01486-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 06/28/2024] [Indexed: 08/24/2024]
Abstract
Advances in various imaging modalities for breast lesions have improved diagnostic capabilities not only for tumors but also for non-tumorous lesions. Contrast-enhanced ultrasound (CEUS) plays a crucial role not only in the differential diagnosis of breast lesions, identification of sentinel lymph nodes, and diagnosis of lymph node metastasis but also in assessing the therapeutic effects of neoadjuvant chemotherapy (NAC). In CEUS, two image interpretation approaches, i.e., qualitative analysis and quantitative analysis, are employed and applied in various clinical settings. In this paper, we review CEUS for breast lesions, including its various applications.
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Affiliation(s)
- Toshikazu Ito
- Division of Breast and Endocrine Surgery and Department of Surgery, Kindai University Faculty of Medicine, Osaka, Japan.
| | - Hironobu Manabe
- Division of Breast and Endocrine Surgery and Department of Surgery, Kindai University Faculty of Medicine, Osaka, Japan
| | - Michiyo Kubota
- Division of Breast and Endocrine Surgery and Department of Surgery, Kindai University Faculty of Medicine, Osaka, Japan
| | - Yoshifumi Komoike
- Division of Breast and Endocrine Surgery and Department of Surgery, Kindai University Faculty of Medicine, Osaka, Japan
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Li X, Zhang J, Zhang G, Liu J, Tang C, Chen K, Chen P, Tan L, Guo Y. Contrast-Enhanced Ultrasound and Conventional Ultrasound Characteristics of Breast Cancer With Different Molecular Subtypes. Clin Breast Cancer 2024; 24:204-214. [PMID: 38102010 DOI: 10.1016/j.clbc.2023.11.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 11/09/2023] [Accepted: 11/13/2023] [Indexed: 12/17/2023]
Abstract
BACKGROUND Identifying molecular subtypes of breast cancer (BC) is of great significance in selecting optimal treatment strategy. Different molecular subtypes of BC have various vascular distribution characteristics. Contrast-enhanced ultrasound (CEUS) can dynamically display the microcirculation of tumor. This study intends to explore the conventional ultrasound and CEUS characteristics of different molecular subtypes of BC. METHODS During this prospective study, 86 patients with BC who were divided into Luminal A (LA), Luminal B (LB), HER2 over-expression (H2), and triple-negative (TN). The CEUS qualitative and quantitative characteristics of BC with different molecular subtypes was explored, as well as the conventional ultrasound features. In addition, the diagnostic efficiency of CEUS quantitative parameters in differentiating molecular subtypes of BC was analyzed. RESULTS Our study found that the Adler grade differed significantly among 4 molecular subtypes (P < .05). The enhancement speed, enhancement degree and size after enhancement of 4 molecular subtypes were statistically different (P < .05). The wash in slope (WIS), peak intensity (PI), and wash-in area under the curve (WiAUC) differed significantly among 4 subtypes (P < .05). The diagnostic efficiency of PI was better for detecting LA and H2 subtype with the areas under the receiver operating characteristic curve was 0.778 and 0.734, respectively. CONCLUSION Different molecular subtypes of BC have different CEUS and conventional ultrasound characteristics. CEUS can provide valuable imaging basis for precise clinical diagnosis and individualized therapy of BC with different molecular subtypes.
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Affiliation(s)
- Xin Li
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Jun Zhang
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Guozhi Zhang
- Department of Breast and Thyroid Surgery, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Juan Liu
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Chunlin Tang
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Kaixuan Chen
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Ping Chen
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Lin Tan
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China
| | - Yanli Guo
- Department of Ultrasound, Southwest Hospital, Army Medical University (Third Military Medical University), Chongqing, China.
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Zhang H, Hu J, Meng R, Liu F, Xu F, Huang M. A systematic review and meta-analysis comparing the diagnostic capability of automated breast ultrasound and contrast-enhanced ultrasound in breast cancer. Front Oncol 2024; 13:1305545. [PMID: 38264749 PMCID: PMC10803446 DOI: 10.3389/fonc.2023.1305545] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 12/19/2023] [Indexed: 01/25/2024] Open
Abstract
Objective To compare the diagnostic performance of automated breast ultrasound (ABUS) and contrast-enhanced ultrasound (CEUS) in breast cancer. Methods Published studies were collected by systematically searching the databases PubMed, Embase, Cochrane Library and Web of Science. The sensitivities, specificities, likelihood ratios and diagnostic odds ratio (DOR) were confirmed. The symmetric receiver operator characteristic curve (SROC) was used to assess the threshold of ABUS and CEUS. Fagan's nomogram was drawn. Meta-regression and subgroup analyses were applied to search for sources of heterogeneity among the included studies. Results A total of 16 studies were included, comprising 4115 participants. The combined sensitivity of ABUS was 0.88 [95% CI (0.73-0.95)], specificity was 0.93 [95% CI (0.82-0.97)], area under the SROC curve (AUC) was 0.96 [95% CI (0.94-0.96)] and DOR was 89. The combined sensitivity of CEUS was 0.88 [95% CI (0.84-0.91)], specificity was 0.76 [95% CI (0.66-0.84)], AUC was 0.89 [95% CI (0.86-0.92)] and DOR was 24. The Deeks' funnel plot showed no existing publication bias. The prospective design, partial verification bias and blinding contributed to the heterogeneity in specificity, while no sources contributed to the heterogeneity in sensitivity. The post-test probability of ABUS in BC was 75%, and the post-test probability of CEUS in breast cancer was 48%. Conclusion Compared with CEUS, ABUS showed higher specificity and DOR for detecting breast cancer. ABUS is expected to further improve the accuracy of BC diagnosis.
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Affiliation(s)
- Haoyu Zhang
- Department of Clinic Medicine, Chengdu Medical College, Sichuan, China
| | - Jingyi Hu
- Department of Clinic Medicine, Chengdu Medical College, Sichuan, China
| | - Rong Meng
- Department of Public Health, Chengdu Medical College, Sichuan, China
| | - Fangfang Liu
- Art College, Southwest Minzu University, Sichuan, China
| | - Fan Xu
- Department of Public Health, Chengdu Medical College, Sichuan, China
| | - Min Huang
- Department of Physiology, School of Basic Medicine, Chengdu Medical College, Sichuan, China
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Fang J, Deng Q, Zhang J, Ma Y, Jin C, Lu J, Hao Y, Ma Y, Liu W, Li Z, Liu G, Mo Y, Xiao Y, Zheng C, Yang Y, Wu T, Zhao C, Zhou X, Zhou P. A Nomogram Based on Conventional and Contrast-Enhanced Ultrasound for Pre-operative Prediction of Nipple-Areola Complex Involvement in Breast Cancer: A Prospective Study. ULTRASOUND IN MEDICINE & BIOLOGY 2023; 49:2565-2572. [PMID: 37752018 DOI: 10.1016/j.ultrasmedbio.2023.08.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/08/2023] [Revised: 08/16/2023] [Accepted: 08/28/2023] [Indexed: 09/28/2023]
Abstract
OBJECTIVE Accurately predicting nipple-areola complex (NAC) involvement in breast cancer is essential for identifying eligible patients for a nipple-sparing mastectomy. This study was aimed at developing a pre-operative nomogram for NAC involvement in breast cancer using conventional ultrasound (US) and contrast-enhanced ultrasound (CEUS). METHODS All patients with primary breast cancer confirmed by pre-operative biopsy underwent US and CEUS examinations. Post-operative pathology was used as the gold standard in assessing NAC involvement. Lasso regression was used to select the predictors most associated with NAC involvement. A nomogram was constructed to calculate the diagnostic efficacy. The data were internally verified with 500 bootstrapped replications, and a calibration curve was generated to validate the predictive capability. RESULTS Seventy-six patients with primary breast cancer were included in this study, which included 16 patients (21.1%) with NAC involvement and 60 patients (78.9%) without NAC involvement. Among the 23 features of US and CEUS, Lasso regression selected one US feature and two CEUS features, namely, ductal echo extending from the lesion, ductal enhancement extending to the nipple and focal nipple enhancement. A nomogram was constructed, and the results revealed that the area under the curve, sensitivity, specificity and accuracy were 0.891, 81.3%, 86.7% and 85.5%, respectively. The calibration curve exhibited good consistency between the predicted probability and the actual probability. CONCLUSION The nomogram developed based on US and CEUS had good performance in predicting NAC involvement in breast cancer before surgery, which may facilitate the selection of suitable patients for NAC preservation with greater oncological safety.
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Affiliation(s)
- Jinghui Fang
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Qiongxia Deng
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Jingwen Zhang
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yuqin Ma
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Chunchun Jin
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Jianghao Lu
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yanli Hao
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yuanyuan Ma
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Weizong Liu
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Zhengyi Li
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Guowen Liu
- Department of Thyroid and Breast Surgery, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yongpan Mo
- Department of Thyroid and Breast Surgery, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yu Xiao
- Department of Thyroid and Breast Surgery, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Chang Zheng
- Department of Thyroid and Breast Surgery, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Yajie Yang
- Department of Pathology, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Tingting Wu
- Department of Pathology, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Chao Zhao
- Bionic Sensing and Intelligence Center, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Xin Zhou
- Bionic Sensing and Intelligence Center, Institute of Biomedical and Health Engineering, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Peng Zhou
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China.
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Cai YY, Du YC, Zhao L, Hu WJ, Bai Y, Chen A, Du LF, Li F. The kinetic quantitative characteristics of non-mass breast lesions with contrast-enhanced ultrasound: a prospective study. Br J Radiol 2023; 96:20221002. [PMID: 37660395 PMCID: PMC10646622 DOI: 10.1259/bjr.20221002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2022] [Revised: 08/01/2023] [Accepted: 08/15/2023] [Indexed: 09/05/2023] Open
Abstract
OBJECTIVE To characterize non-mass breast lesions (NML) quantitatively by contrast-enhanced ultrasound (CEUS) and to evaluate its additional diagnostic value based on the Breast Imaging Reporting and Data System (BI-RADS) categories. METHODS A prospective study was performed among consecutive patients with NMLs. All lesions were examined by grayscale ultrasound and CEUS and diagnosed on pathology. Standard mammograms were obtained in the patients over 30 years old. Three independent radiologists assessed the features on grayscale ultrasound and mammograms and classified NMLs according to BI-RADS categories. Combined with the quantitative analysis in CEUS, the BI-RADS categories were reassessed, and the sensitivity, specificity, positive-predictive value, negative-predictive value and area under the receiver operating characteristic curve (AUC) were calculated for the evaluation of the diagnostic performance. RESULTS 30 benign and 24 malignant NMLs were finally enrolled in this study, with ductal carcinoma in situ being the majority of malignant (15/24). Average contrast signal intensity (AI), wash-in rate (WiR) and enhancement intensity at 40 s (I40) were found to be the most efficient kinetic parameters to diagnose malignant NMLs. Combined with the cut-off values of 205.2 for AI, 127.8 for WiR and 136.4 for I40, the diagnostic accuracy was improved (AUC = 0.904), with the sensitivity of 95.8% and the specificity of 70.0%. CONCLUSION The results suggested that hyperenhancement and rapid wash-in and wash-out are the characteristics of malignant NMLs. The kinetic analysis using CEUS can reflect hypervascular nature of malignant NMLs, thus improving the diagnostic performance combined with grayscale ultrasound. ADVANCES IN KNOWLEDGE In this study, we quantified the enhancement characteristics of non-mass breast lesions with CEUS. We revealed that the combination of CEUS and conventional ultrasound provided higher sensitivity for diagnosing malignant NMLs.
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Affiliation(s)
- Ying-Yu Cai
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yi-Chao Du
- Department of Neurosurgery, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lei Zhao
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wen-Jie Hu
- Department of Ultrasound, Huashan Hospital, Fudan University, Shanghai, China
| | - Yun Bai
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - An Chen
- Department of Radiology, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lian-Fang Du
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fan Li
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Saleh GA, Batouty NM, Gamal A, Elnakib A, Hamdy O, Sharafeldeen A, Mahmoud A, Ghazal M, Yousaf J, Alhalabi M, AbouEleneen A, Tolba AE, Elmougy S, Contractor S, El-Baz A. Impact of Imaging Biomarkers and AI on Breast Cancer Management: A Brief Review. Cancers (Basel) 2023; 15:5216. [PMID: 37958390 PMCID: PMC10650187 DOI: 10.3390/cancers15215216] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 10/13/2023] [Accepted: 10/21/2023] [Indexed: 11/15/2023] Open
Abstract
Breast cancer stands out as the most frequently identified malignancy, ranking as the fifth leading cause of global cancer-related deaths. The American College of Radiology (ACR) introduced the Breast Imaging Reporting and Data System (BI-RADS) as a standard terminology facilitating communication between radiologists and clinicians; however, an update is now imperative to encompass the latest imaging modalities developed subsequent to the 5th edition of BI-RADS. Within this review article, we provide a concise history of BI-RADS, delve into advanced mammography techniques, ultrasonography (US), magnetic resonance imaging (MRI), PET/CT images, and microwave breast imaging, and subsequently furnish comprehensive, updated insights into Molecular Breast Imaging (MBI), diagnostic imaging biomarkers, and the assessment of treatment responses. This endeavor aims to enhance radiologists' proficiency in catering to the personalized needs of breast cancer patients. Lastly, we explore the augmented benefits of artificial intelligence (AI), machine learning (ML), and deep learning (DL) applications in segmenting, detecting, and diagnosing breast cancer, as well as the early prediction of the response of tumors to neoadjuvant chemotherapy (NAC). By assimilating state-of-the-art computer algorithms capable of deciphering intricate imaging data and aiding radiologists in rendering precise and effective diagnoses, AI has profoundly revolutionized the landscape of breast cancer radiology. Its vast potential holds the promise of bolstering radiologists' capabilities and ameliorating patient outcomes in the realm of breast cancer management.
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Affiliation(s)
- Gehad A. Saleh
- Diagnostic and Interventional Radiology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt; (G.A.S.)
| | - Nihal M. Batouty
- Diagnostic and Interventional Radiology Department, Faculty of Medicine, Mansoura University, Mansoura 35516, Egypt; (G.A.S.)
| | - Abdelrahman Gamal
- Computer Science Department, Faculty of Computers and Information, Mansoura University, Mansoura 35516, Egypt (A.E.T.)
| | - Ahmed Elnakib
- Electrical and Computer Engineering Department, School of Engineering, Penn State Erie, The Behrend College, Erie, PA 16563, USA;
| | - Omar Hamdy
- Surgical Oncology Department, Oncology Centre, Mansoura University, Mansoura 35516, Egypt;
| | - Ahmed Sharafeldeen
- Bioengineering Department, University of Louisville, Louisville, KY 40292, USA
| | - Ali Mahmoud
- Bioengineering Department, University of Louisville, Louisville, KY 40292, USA
| | - Mohammed Ghazal
- Electrical, Computer, and Biomedical Engineering Department, Abu Dhabi University, Abu Dhabi 59911, United Arab Emirates; (M.G.)
| | - Jawad Yousaf
- Electrical, Computer, and Biomedical Engineering Department, Abu Dhabi University, Abu Dhabi 59911, United Arab Emirates; (M.G.)
| | - Marah Alhalabi
- Electrical, Computer, and Biomedical Engineering Department, Abu Dhabi University, Abu Dhabi 59911, United Arab Emirates; (M.G.)
| | - Amal AbouEleneen
- Computer Science Department, Faculty of Computers and Information, Mansoura University, Mansoura 35516, Egypt (A.E.T.)
| | - Ahmed Elsaid Tolba
- Computer Science Department, Faculty of Computers and Information, Mansoura University, Mansoura 35516, Egypt (A.E.T.)
- The Higher Institute of Engineering and Automotive Technology and Energy, New Heliopolis, Cairo 11829, Egypt
| | - Samir Elmougy
- Computer Science Department, Faculty of Computers and Information, Mansoura University, Mansoura 35516, Egypt (A.E.T.)
| | - Sohail Contractor
- Department of Radiology, University of Louisville, Louisville, KY 40202, USA
| | - Ayman El-Baz
- Bioengineering Department, University of Louisville, Louisville, KY 40292, USA
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Zhang Q, Liang X, Zhang Y, Nie H, Chen Z. A review of contrast-enhanced ultrasound using SonoVue® and Sonazoid™ in non-hepatic organs. Eur J Radiol 2023; 167:111060. [PMID: 37657380 DOI: 10.1016/j.ejrad.2023.111060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2023] [Revised: 08/08/2023] [Accepted: 08/21/2023] [Indexed: 09/03/2023]
Abstract
Contrast-enhanced ultrasound (CEUS) is a dependable modality for the diagnosis of various clinical conditions. A judicious selection of ultrasound contrast agent (UCA) is imperative for optimizing imaging and improving diagnosis. Approved UCAs for imaging the majority of organs include SonoVue, a pure blood agent, and Sonazoid, which exhibits an additional Kupffer phase. Despite the fact that the two UCAs are increasingly being employed, there is a lack of comparative reviews between the two agents in different organs diseases. This review represents the first attempt to compare the two UCAs in non-hepatic organs, primarily including breast, thyroid, pancreas, and spleen diseases. Through comparative analysis, this review provides a comprehensive and objective evaluation of the performance characteristics of SonoVue and Sonazoid, with the aim of offering valuable guidance for the clinical application of CEUS. Overall, further clinical evidences are required to compare and contrast the dissimilarities between the two UCAs in non-hepatic organs, enabling clinicians to make an appropriate selection based on actual clinical applications.
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Affiliation(s)
- Qing Zhang
- Institution of Medical Imaging, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China; Institution of Medical Imaging, University of South China, Hengyang, China; The Seventh Affiliated Hospital, Hengyang Medical School, University of South China, Changsha, China
| | - Xiaowen Liang
- Institution of Medical Imaging, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China; Institution of Medical Imaging, University of South China, Hengyang, China
| | - Yanfen Zhang
- Department of Ultrasound, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
| | - Hongjun Nie
- Department of Ultrasound, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China
| | - Zhiyi Chen
- Institution of Medical Imaging, The Affiliated Changsha Central Hospital, Hengyang Medical School, University of South China, Changsha, China; Institution of Medical Imaging, University of South China, Hengyang, China.
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Wan C, Zhou L, Li H, Wang L, Li F, Yin W, Wang Y, Jiang L, Lu J. Multiparametric Contrast-Enhanced Ultrasound in Early Prediction of Response to Neoadjuvant Chemotherapy and Recurrence-Free Survival in Breast Cancer. Diagnostics (Basel) 2023; 13:2378. [PMID: 37510121 PMCID: PMC10378059 DOI: 10.3390/diagnostics13142378] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2023] [Revised: 07/04/2023] [Accepted: 07/05/2023] [Indexed: 07/30/2023] Open
Abstract
We aimed to explore the value of contrast-enhanced ultrasound (CEUS) in early prediction of pathologic complete response (pCR) and recurrence-free survival (RFS) in locally advanced breast cancer (LABC) patients treated with neoadjuvant chemotherapy (NAC). LABC patients who underwent CEUS before and during NAC from March 2014 to October 2018 were included and assessed. Logistic regression analysis and the Cox proportional hazards model were used to identify independent variables associated with pCR and RFS. Among 122 women, 44 underwent pCR. Molecular subtype, peak intensity (PEAK) and change in diameter were independent predictors of pCR after one cycle of NAC (area under the receiver operating characteristic curve [AUC], 0.81; 95% CI: 0.73, 0.88); Molecular subtype, PEAK and change in time to peak (TTP) were independently associated with pCR after two cycles of NAC (AUC, 0.85; 95% CI: 0.77, 0.91). A higher clinical T (hazard ratio [HR] = 4.75; 95% CI: 1.75, 12.87; p = 0.002) and N stages (HR = 3.39; 95% CI: 1.25, 9.19; p = 0.02) and a longer TTP (HR = 1.06; 95% CI: 1.01, 1.11; p = 0.02) at pre-NAC CEUS were independently associated with poorer RFS. CEUS can be used as a technique to predict pCR and RFS early in LABC patients treated with NAC.
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Affiliation(s)
- Caifeng Wan
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
- Department of Ultrasound, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
| | - Liheng Zhou
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
| | - Hongli Li
- Department of Ultrasound, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
| | - Lin Wang
- Department of Ultrasound, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
| | - Fenghua Li
- Department of Ultrasound, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
| | - Wenjin Yin
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
| | - Yaohui Wang
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
| | - Lixin Jiang
- Department of Ultrasound, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
| | - Jinsong Lu
- Department of Breast Surgery, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Pujian Rd., Shanghai 200127, China
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Weng H, Zhao Y, Xu Y, Hong Y, Wang K, Huang P. A Diagnostic Model for Breast Lesions With Enlarged Enhancement Extent on Contrast-Enhanced Ultrasound Improves Malignancy Prediction. ULTRASOUND IN MEDICINE & BIOLOGY 2023; 49:1535-1543. [PMID: 37012097 DOI: 10.1016/j.ultrasmedbio.2023.02.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/30/2022] [Revised: 02/20/2023] [Accepted: 02/23/2023] [Indexed: 05/17/2023]
Abstract
OBJECTIVE The aim of the work described here was to develop a diagnostic model based on contrast-enhanced ultrasound (CEUS) features to improve performance in predicting the probability of malignancy for breast lesions with an enlarged enhancement extent on CEUS. METHODS In total, 299 consecutive patients who underwent CEUS examination and had confirmed pathological results were retrospectively enrolled. Among the 299 patients, an enlarged enhancement extent on CEUS was found in 142 patients. In this special cohort, we analyzed the association of malignant pathologic results with perfusion patterns emphatically by reclassifying the patterns. RESULTS A diagnostic model was developed and presented as a nomogram, assessed with discrimination and calibration. Receiver operating characteristic (ROC) curve analysis revealed that the areas under the curves of the conventional perfusion and modified perfusion patterns were 0.58 and 0.76 (p < 0.001), respectively. A diagnostic model was built and exhibited good discrimination with a C-index of 0.95 (95% confidence interval: 0.91-0.98), which was confirmed to be 0.93 via internal bootstrapping validation. CONCLUSION The nomogram based on CEUS features provides radiologists with a quantitative tool to predict the probability of malignancy in this special cohort of breast lesions.
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Affiliation(s)
- Huifang Weng
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yanan Zhao
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yongyuan Xu
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Yurong Hong
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Ke Wang
- Department of Breast Surgery, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Pintong Huang
- Department of Ultrasound in Medicine, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China; Research Center for Life Science and Human Health, Binjiang Institute of Zhejiang University, Hangzhou, China.
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Sinagra L, Orlandi R, Caspanello T, Troisi A, Iannelli NM, Vallesi E, Pettina G, Bargellini P, De Majo M, Boiti C, Cristarella S, Quartuccio M, Polisca A. Contrast-Enhanced Ultrasonography (CEUS) in Imaging of the Reproductive System in Dogs: A Literature Review. Animals (Basel) 2023; 13:ani13101615. [PMID: 37238045 DOI: 10.3390/ani13101615] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/26/2023] [Accepted: 05/09/2023] [Indexed: 05/28/2023] Open
Abstract
The use of contrast-enhanced ultrasound (CEUS) has been widely reported for reproductive imaging in humans and animals. This review aims to analyze the utility of CEUS in characterizing canine reproductive physiology and pathologies. In September 2022, a search for articles about CEUS in canine testicles, prostate, uterus, placenta, and mammary glands was conducted on PubMed and Scopus from 1990 to 2022, showing 36 total results. CEUS differentiated testicular abnormalities and neoplastic lesions, but it could not characterize tumors. In prostatic diseases, CEUS in dogs was widely studied in animal models for prostatic cancer treatment. In veterinary medicine, this diagnostic tool could distinguish prostatic adenocarcinomas. In ovaries, CEUS differentiated the follicular phases. In CEH-pyometra syndrome, it showed a different enhancement between endometrium and cysts, and highlighted angiogenesis. CEUS was shown to be safe in pregnant dogs and was able to assess normal and abnormal fetal-maternal blood flow and placental dysfunction. In normal mammary glands, CEUS showed vascularization only in diestrus, with differences between mammary glands. CEUS was not specific for neoplastic versus non-neoplastic masses and for benign tumors, except for complex carcinomas and neoplastic vascularization. Works on CEUS showed its usefulness in a wide spectrum of pathologies of this non-invasive, reliable diagnostic procedure.
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Affiliation(s)
- Letizia Sinagra
- Department of Veterinary Sciences, University of Messina, Viale Palatucci, 13, 98168 Messina, Italy
| | - Riccardo Orlandi
- Anicura Tyrus Clinica Veterinaria, Via Bartocci 1G, 05100 Terni, Italy
| | - Tiziana Caspanello
- Department of Veterinary Sciences, University of Messina, Viale Palatucci, 13, 98168 Messina, Italy
| | - Alessandro Troisi
- School of Biosciences and Veterinary Medicine, University of Camerino, Via Circonvallazione 93/95, 62024 Macerata, Italy
| | - Nicola Maria Iannelli
- Department of Veterinary Sciences, University of Messina, Viale Palatucci, 13, 98168 Messina, Italy
- Clinica Veterinaria Camagna-VetPartners, Via Fortunato Licandro 13, 89124 Reggio di Calabria, Italy
| | - Emanuela Vallesi
- Anicura Tyrus Clinica Veterinaria, Via Bartocci 1G, 05100 Terni, Italy
- Anicura CMV Clinica Veterinaria, Via G.B. Aguggiari 162, 21100 Varese, Italy
| | - Giorgia Pettina
- Department of Veterinary Sciences, University of Messina, Viale Palatucci, 13, 98168 Messina, Italy
| | - Paolo Bargellini
- Anicura Tyrus Clinica Veterinaria, Via Bartocci 1G, 05100 Terni, Italy
| | - Massimo De Majo
- Department of Veterinary Sciences, University of Messina, Viale Palatucci, 13, 98168 Messina, Italy
| | - Cristiano Boiti
- Tyrus Science Foundation, Via Bartocci 1G, 05100 Terni, Italy
| | - Santo Cristarella
- Department of Veterinary Sciences, University of Messina, Viale Palatucci, 13, 98168 Messina, Italy
| | - Marco Quartuccio
- Department of Veterinary Sciences, University of Messina, Viale Palatucci, 13, 98168 Messina, Italy
| | - Angela Polisca
- Department of Veterinary Medicine, University of Perugia, Via San Costanzo 4, 06126 Perugia, Italy
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Han MR, Park AY, Seo BK, Bae MS, Kim JS, Son GS, Lee HY, Chang YW, Cho KR, Song SE, Woo OH, Ju HY, Oh H. Association between vascular ultrasound features and DNA sequencing in breast cancer: a preliminary study. Discov Oncol 2023; 14:52. [PMID: 37120792 PMCID: PMC10149538 DOI: 10.1007/s12672-023-00657-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/08/2023] [Accepted: 04/14/2023] [Indexed: 05/01/2023] Open
Abstract
There are few radiogenomic studies to correlate ultrasound features of breast cancer with genomic changes. We investigated whether vascular ultrasound phenotypes are associated with breast cancer gene profiles for predicting angiogenesis and prognosis. We prospectively correlated quantitative and qualitative features of microvascular ultrasound (vascular index, vessel morphology, distribution, and penetrating vessel) and contrast-enhanced ultrasound (time-intensity curve parameters and enhancement pattern) with genomic characteristics in 31 breast cancers. DNA obtained from breast tumors and normal tissues were analyzed using targeted next-generation sequencing of 105 genes. The single-variant association test was used to identify correlations between vascular ultrasound features and genomic profiles. Chi-square analysis was used to detect single nucleotide polymorphisms (SNPs) associated with ultrasound features by estimating p values and odds ratios (ORs). Eight ultrasound features were significantly associated with 9 SNPs (p < 0.05). Among them, four ultrasound features were positively associated with 5 SNPs: high vascular index with rs1136201 in ERBB2 (p = 0.04, OR = 7.75); large area under the curve on contrast-enhanced ultrasound with rs35597368 in PDGFRA (p = 0.04, OR = 4.07); high peak intensity with rs35597368 in PDGFRA (p = 0.049, OR = 4.05) and rs2305948 in KDR (p = 0.04, OR = 5.10); and long mean transit time with rs2275237 in ARNT (p = 0.02, OR = 10.25) and rs755793 in FGFR2 (p = 0.02, OR = 10.25). We identified 198 non-silent SNPs in 71 various cancer-related genes. Vascular ultrasound features can reflect genomic changes associated with angiogenesis and prognosis in breast cancer.
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Affiliation(s)
- Mi-Ryung Han
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, Republic of Korea
| | - Ah Young Park
- Department of Radiology, CHA Bundang Medical Center, CHA University, Seongnam, Republic of Korea
| | - Bo Kyoung Seo
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, 123 Jeokgeum-ro, Danwon-gu, Ansan, Gyeonggi-do 15355 Republic of Korea
| | - Min Sun Bae
- Department of Radiology, Inha University Hospital and College of Medicine, Inhang-ro 27, Jung-gu, Incheon, 22332 Republic of Korea
| | - Jung Sun Kim
- Division of Hematology/Oncology, Department of Internal medicine, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Gyeonggi-do Republic of Korea
| | - Gil Soo Son
- Division of Breast and Endocrine Surgery, Department of Surgery, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Gyeonggi-do Republic of Korea
| | - Hye Yoon Lee
- Division of Breast and Endocrine Surgery, Department of Surgery, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Gyeonggi-do Republic of Korea
| | - Young Woo Chang
- Division of Breast and Endocrine Surgery, Department of Surgery, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Gyeonggi-do Republic of Korea
| | - Kyu Ran Cho
- Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Sung Eun Song
- Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Ok Hee Woo
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea
| | - Hye-Yeon Ju
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, Republic of Korea
| | - Hyunseung Oh
- Department of Pathology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Gyeonggi-do Republic of Korea
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12
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Barbagianni MS, Gouletsou PG. Modern Imaging Techniques in the Study and Disease Diagnosis of the Mammary Glands of Animals. Vet Sci 2023; 10:vetsci10020083. [PMID: 36851387 PMCID: PMC9965774 DOI: 10.3390/vetsci10020083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 01/12/2023] [Accepted: 01/20/2023] [Indexed: 01/25/2023] Open
Abstract
The study of the structure and function of the animals' mammary glands is of key importance, as it reveals pathological processes at their onset, thus contributing to their immediate treatment. The most frequently studied mammary diseases are mastitis in cows and ewes and mammary tumours in dogs and cats. Various imaging techniques such as computed tomography, positron emission tomography, magnetic resonance imaging, and ultrasonographic techniques (Doppler, contrast-enchanced, three-dimensional and elastography) are available and can be applied in research or clinical practice in order to evaluate possible abnormalities in mammary glands, as well as to assist in the differential diagnosis. In this review, the above imaging technologies are described, and the perspectives of each method are highlighted. It is inferred that ultrasonographic modalities are the most frequently used imaging techniques for the diagnosis of clinical or subclinical mastitis and treatment guidance on a farm. In companion animals, a combination of imaging techniques should be applied for a more accurate diagnosis of mammary tumours. In any case, the confirmation of the diagnosis is provided by laboratory techniques.
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Chen Y, Lu J, Li J, Liao J, Huang X, Zhang B. Evaluation of diagnostic efficacy of multimode ultrasound in BI-RADS 4 breast neoplasms and establishment of a predictive model. Front Oncol 2022; 12:1053280. [PMID: 36505867 PMCID: PMC9730703 DOI: 10.3389/fonc.2022.1053280] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 11/04/2022] [Indexed: 11/25/2022] Open
Abstract
Objectives To explore the diagnostic efficacy of ultrasound (US), two-dimensional and three-dimensional shear-wave elastography (2D-SWE and 3D-SWE), and contrast-enhanced ultrasound (CEUS) in breast neoplasms in category 4 based on the Breast Imaging Reporting and Data System (BI-RADS) from the American College of Radiology (ACR) and to develop a risk-prediction nomogram based on the optimal combination to provide a reference for the clinical management of BI-RADS 4 breast neoplasms. Methods From September 2021 to April 2022, a total of 104 breast neoplasms categorized as BI-RADS 4 by US were included in this prospective study. There were 78 breast neoplasms randomly assigned to the training cohort; the area under the receiver-operating characteristic curve (AUC), 95% confidence interval (95% CI), sensitivity, specificity, positive predictive value (PPV), and negative predictive value (NPV) of 2D-SWE, 3D-SWE, CEUS, and their combination were analyzed and compared. The optimal combination was selected to develop a risk-prediction nomogram. The performance of the nomogram was assessed by a validation cohort of 26 neoplasms. Results Of the 78 neoplasms in the training cohort, 16 were malignant and 62 were benign. Among the 26 neoplasms in the validation cohort, 6 were malignant and 20 were benign. The AUC values of 2D-SWE, 3D-SWE, and CEUS were not significantly different. After a comparison of the different combinations, 2D-SWE+CEUS showed the optimal performance. Least absolute shrinkage and selection operator (LASSO) regression was used to filter the variables in this combination, and the variables included Emax, Eratio, enhancement mode, perfusion defect, and area ratio. Then, a risk-prediction nomogram with BI-RADS was built. The performance of the nomogram was better than that of the radiologists in the training cohort (AUC: 0.974 vs. 0.863). In the validation cohort, there was no significant difference in diagnostic accuracy between the nomogram and the experienced radiologists (AUC: 0.946 vs. 0.842). Conclusions US, 2D-SWE, 3D-SWE, CEUS, and their combination could improve the diagnostic efficiency of BI-RADS 4 breast neoplasms. The diagnostic efficacy of US+3D-SWE was not better than US+2D-SWE. US+2D-SWE+CEUS showed the optimal diagnostic performance. The nomogram based on US+2D-SWE+CEUS performs well.
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14
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B-Mode and Contrast-Enhanced Ultrasonography Aspects of Benign and Malignant Superficial Neoplasms in Dogs: A Preliminary Study. Animals (Basel) 2022; 12:ani12202765. [PMID: 36290151 PMCID: PMC9597709 DOI: 10.3390/ani12202765] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/28/2022] [Accepted: 10/12/2022] [Indexed: 11/05/2022] Open
Abstract
Simple Summary In dogs, superficial neoplasms are common, and it is crucial to determine their malignancy, as this will have an impact on treatment and prognosis. So far, the diagnostic value of ultrasound modalities, such as B-mode and contrast enhanced ultrasound, for superficial neoplasms in dogs is still unclear, despite promising studies in humans. B-mode ultrasound enables assessment of the size, shape and arrangement of the neoplastic tissue, whereas contrast enhanced ultrasound enables the assessment of blood flow intensity and pattern. The aim of this study was to identify B-mode and contrast enhanced ultrasound characteristics that may be used to distinguish benign and malignant superficial neoplasms in dogs. Ultrasonographic characteristics, for which a significant difference was observed between benign and malignant neoplasms, were border definition, echogenicity, echotexture, blood flow pattern at wash-in and blood flow intensity during wash-out at the center of the neoplasm. Despite these significant differences, there was a considerable overlap in ultrasonographic characteristics between benign and malignant neoplasms. In conclusion, B-mode and contrast enhanced ultrasound might contribute to malignancy prediction; however, based on individual ultrasonographic characteristics, they seem unable to replace cytology or histopathology. Abstract Contrast-enhanced ultrasonography (CEUS) is considered a promising technique for differentiation of benign and malignant tumors in humans. However, few studies have assessed superficial neoplasms in dogs by means of CEUS. The aim of this study was to identify ultrasonographic criteria evaluated by B-mode ultrasound (US) and CEUS that may be used to distinguish benign and malignant superficial neoplasms in dogs. A total of 63 superficial neoplasms from 59 dogs were evaluated using B-mode US and CEUS prior to histopathologic examination. Qualitative and quantitative parameters were compared between benign and malignant neoplasms by Fischer’s exact test or fixed effects model. With B-mode US, a significant difference was found for border definition, echogenicity and echotexture. With CEUS, a significant difference was found for the enhancement pattern at wash-in and the wash-out area under the curve at the center of the neoplasm. Malignant neoplasms had on average a lower regional blood volume during the wash-out phase compared to benign neoplasms. Despite these significant differences, there was a considerable overlap in B-mode and CEUS parameters between benign and malignant neoplasms. In conclusion, B-mode US and CEUS might contribute to malignancy prediction; however, based on individual ultrasonographic parameters, they seem unable to replace cytology or histopathology.
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15
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Huh YJ, Lee SY, Kim S, Lee SE, Jung JY. Differentiation of multiple myelomas from osteolytic bone metastases: Diagnostic value of tumor homogeneity on Contrast-Enhanced CT. Br J Radiol 2022; 95:20220009. [PMID: 35819897 PMCID: PMC10996954 DOI: 10.1259/bjr.20220009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2021] [Revised: 03/18/2022] [Accepted: 07/05/2022] [Indexed: 11/05/2022] Open
Abstract
OBJECTIVES To investigate the diagnostic value of tumor homogeneity on contrast-enhanced (CE) computed tomography (CT) to differentiate multiple myeloma (MM) from osteolytic bone metastases (Mets). METHODS This retrospective study included patients who were diagnosed with MM or Mets and had multiple (≥2) osteolytic bone tumors on pre-treatment CE-CT. Intratumoral homogeneity was assessed by coefficient of variation (CV, ratio of standard deviation to mean) of the density of a single lesion (CV-lesion). Intertumoral homogeneity was assessed as the CV of the densities of multiple lesions in one patient (CV-patient). A classification model was built from CT parameters using classification and regression tree (CART) analysis. Diagnostic performance of the model was evaluated using C-statistics. RESULTS A total of 272 lesions (81 MM and 191 Mets) of 105 patients were analyzed. The mean CV-lesion and CV-patient of MM were significantly lower than those of Mets: 0.17 vs 0.26 for CV-lesion (p = 0.005) and 0.16 vs 0.23 for CV-patient (p = 0.013). Thickened struts were more common in MM than in Mets (49.1% vs 12.8%, p ≤ 0.001). In CART analysis, CV-lesion was the first partitioning predictor, followed by thickened struts and by CV patient. The CART model could distinguish MM from Mets in both the model development cohort (C-statistic: 0.843) and the temporal validation cohort (0.721, 0.686, and 0.686 for three reviewers, respectively). CONCLUSIONS MM showed intratumoral and intertumoral homogeneity compared with Mets on CE-CT. The combination of CV-lesion and CV-patient can be helpful to radiologists in differentiation of MM from Mets. ADVANCES IN KNOWLEDGE Our study showed that MM had intratumoral and intertumoral homogeneity compared with Mets on contrast-enhanced CT.
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Affiliation(s)
- Yeon Jong Huh
- Department of Radiology, Seoul St. Mary’s Hospital,
College of Medicine, The Catholic University of Korea, 222 Banpo-daero,
Seocho-gu, Seoul,
Korea
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16
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Yin L, Agyekum EA, Zhang Q, Pan L, Wu T, Xiao X, Qian XQ. Differentiation Between Granulomatous Lobular Mastitis and Breast Cancer Using Quantitative Parameters on Contrast-Enhanced Ultrasound. Front Oncol 2022; 12:876487. [PMID: 35912226 PMCID: PMC9335943 DOI: 10.3389/fonc.2022.876487] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Accepted: 06/20/2022] [Indexed: 12/03/2022] Open
Abstract
Objective To investigate the Contrast-enhanced ultrasound (CEUS) imaging characteristics of granulomatous lobular mastitis (GLM) and the value of differentiating GLM from breast cancer. Materials and methods The study included 30 women with GLM (mean age 36.7 ± 5 years [SD]) and 58 women with breast cancer (mean age 48. ± 8 years [SD]) who were scheduled for ultrasound-guided tissue biopsy. All patients were evaluated with conventional US and CEUS prior to the biopsy. In both groups, the parameters of the quantitative and qualitative analysis of the CEUS were recorded and compared. The receiver-operating-characteristics curves (ROC) were created. Sensitivity, specificity, cut-off, and area under the curve (AUC) values were calculated. Results TTP values in GLM were statistically higher than in breast cancer (mean, 27.63 ± 7.29 vs. 20.10 ± 6.11), but WIS values were lower (mean, 0.16 ± 0.05 vs. 0.28 ± 0.17). Rich vascularity was discovered in 54.45% of breast cancer patients, but only 30.00% of GLM patients had rich vascularity. The AUC for the ROC test was 0.791 and 0.807, respectively. The optimal cut-off value for TTP was 24.5s, and the WIS cut-off value was 0.185dB/s, yielding 73.33% sensitivity, 84.48% specificity, and 86.21% sensitivity, 70% specificity respectively in the diagnosis of GLM. The lesion scores reduced from 4 to 3 with the addition of CEUS for the patients with GLM. However, the scores did not change for the patients with breast cancer. Conclusion CEUS could help distinguish GLM from breast cancer by detecting higher TTP and WIS values, potentially influencing clinical decision-making for additional biopsies.
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Affiliation(s)
- Liang Yin
- Department of Breast Surgery, Jiangsu University Affiliated People’s Hospital, Zhenjiang, China
- *Correspondence: Liang Yin,
| | - Enock Adjei Agyekum
- Department of Ultrasound, Jiangsu University Affiliated People’s Hospital, Zhenjiang, China
| | - Qing Zhang
- Department of Ultrasound, Jiangsu University Affiliated People’s Hospital, Zhenjiang, China
| | - Lei Pan
- Department of Breast Surgery, Jiangsu University Affiliated People’s Hospital, Zhenjiang, China
| | - Ting Wu
- Department of Pathology, Jiangsu University Affiliated People’s Hospital, Zhenjiang, China
| | - Xiudi Xiao
- Department of Breast Surgery, Jiangsu University Affiliated People’s Hospital, Zhenjiang, China
| | - Xiao-qin Qian
- Department of Ultrasound, Jiangsu University Affiliated People’s Hospital, Zhenjiang, China
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Han X, Yang H, Jin S, Sun Y, Zhang H, Shan M, Cheng W. Prediction of pathological complete response to neoadjuvant chemotherapy in patients with breast cancer using a combination of contrast-enhanced ultrasound and dynamic contrast-enhanced magnetic resonance imaging. Cancer Med 2022; 12:1389-1398. [PMID: 35822639 PMCID: PMC9883403 DOI: 10.1002/cam4.5019] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Revised: 06/20/2022] [Accepted: 06/29/2022] [Indexed: 02/01/2023] Open
Abstract
This study aimed to evaluate the value of dynamic contrast-enhanced ultrasound (CEUS) combined with dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) in predicting pathological complete response (pCR) in patients with breast cancer receiving neoadjuvant chemotherapy (NAC). Fifty-seven female patients with breast cancer (mean age, 50.46 years; range, 32-66 years) scheduled for NAC were recruited. CEUS and DCE-MRI were performed before and after NAC. Imaging features and their changes were compared with postoperative pathological results. After the clinical differences were balanced using propensity score matching, univariate and multiple logistic regression analyses were used to derive the characteristics independently associated with pCR. Receiver operating characteristic curve analysis was performed to assess diagnostic performance. After six to eight cycles of NAC, 24 (42.1%) patients achieved pCR, while 33 (57.9%) did not. Multivariate analysis showed that enhancement order on CEUS and DCE-MRI before NAC, reduction in diameter and enhancement shape on CEUS, maximum diameter on DCE-MRI, and the type of progressive dynamic contrast enhancement after NAC were independently associated with pCR after NAC. The area under the receiver operating characteristic curve for CEUS+DCE-MRI was 0.911 (95% confidence interval, 0.826-0.997), and the specificity and positive predictive values were 87.0% and 87.5%. CEUS and DCE-MRI have the potential for assessing the pathological response to NAC in patients with breast cancer; their combination showed the best diagnostic performance. CEUS+DCE-MRI has proved beneficial for comprehensive assessment and personalizing treatment strategies for patients with breast cancer.
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Affiliation(s)
- Xue Han
- Department of UltrasoundHarbin Medical University Cancer HospitalHarbinChina
| | - Huajing Yang
- Department of UltrasoundHarbin Medical University Cancer HospitalHarbinChina
| | - Shiyang Jin
- Department of Breast SurgeryHarbin Medical University Cancer HospitalHarbinChina
| | - Yunfeng Sun
- Imaging CenterHarbin Medical University Cancer HospitalHarbinChina
| | - Hongxia Zhang
- Imaging CenterHarbin Medical University Cancer HospitalHarbinChina
| | - Ming Shan
- Department of Breast SurgeryHarbin Medical University Cancer HospitalHarbinChina
| | - Wen Cheng
- Department of UltrasoundHarbin Medical University Cancer HospitalHarbinChina
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Lee SC, Tchelepi H, Khadem N, Desai B, Yamashita M, Hovanessian-Larsen L. Imaging of Benign and Malignant Breast Lesions Using Contrast-Enhanced Ultrasound: A Pictorial Essay. Ultrasound Q 2022; 38:2-12. [PMID: 35239626 DOI: 10.1097/ruq.0000000000000574] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
ABSTRACT Contrast-enhanced ultrasound is a promising noninvasive imaging technique for evaluating benign and malignant breast lesions, as contrast provides information about perfusion and microvasculature. Contrast-enhanced ultrasound is currently off-label use in the breast in the United States, but its clinical and investigational use in breast imaging is gaining popularity. It is important for radiologists to be familiar with the imaging appearances of benign and malignant breast masses using contrast-enhanced ultrasound. This pictorial essay illustrates enhancement patterns of various breast masses from our own experience. Pathologies include subtypes of invasive breast cancer, fibroadenomas, papillary lesions, fibrocystic change, and inflammatory processes. Contrast-enhanced ultrasound pitfalls and limitations are discussed.
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Affiliation(s)
- Sandy C Lee
- Department of Radiology, Keck School of Medicine, University of Southern California
| | - Hisham Tchelepi
- Department of Radiology, Keck School of Medicine, University of Southern California
| | - Nasim Khadem
- Department of Radiology, VA Long Beach Medical Center, Long Beach, CA
| | - Bhushan Desai
- Department of Radiology, Keck School of Medicine, University of Southern California
| | - Mary Yamashita
- Department of Radiology, Keck School of Medicine, University of Southern California
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19
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Wang J, Zhao R, Cheng J. Diagnostic accuracy of contrast-enhanced ultrasound to differentiate benign and malignant breast lesions: A systematic review and meta-analysis. Eur J Radiol 2022; 149:110219. [DOI: 10.1016/j.ejrad.2022.110219] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 01/28/2022] [Accepted: 02/10/2022] [Indexed: 12/24/2022]
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Machado P. Contrast-enhanced ultrasound and pleura imaging: An underestimated pair. JOURNAL OF CLINICAL ULTRASOUND : JCU 2022; 50:99-100. [PMID: 35043444 DOI: 10.1002/jcu.23103] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/08/2021] [Accepted: 11/11/2021] [Indexed: 06/14/2023]
Affiliation(s)
- Priscilla Machado
- Department of Radiology, Thomas Jefferson University, Philadelphia, Pennsylvania, USA
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21
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Niu RL, Li SY, Wang B, Jiang Y, Liu G, Wang ZL. Papillary breast lesions detected using conventional ultrasound and contrast-enhanced ultrasound: Imaging characteristics and associations with malignancy. Eur J Radiol 2021; 141:109788. [PMID: 34091133 DOI: 10.1016/j.ejrad.2021.109788] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2021] [Revised: 05/11/2021] [Accepted: 05/20/2021] [Indexed: 11/17/2022]
Abstract
OBJECTIVE This study aimed to evaluate the imaging features of papillary breast lesions detected using conventional ultrasonography (US) and contrast-enhanced ultrasound (CEUS) and to correlate the pathological results. Furthermore, the diagnostic efficiencies of these imaging features to predict the malignancy potential of papillary lesions were explored. METHODS The findings of the conventional US and CEUS of 74 consecutive papillary breast lesions were assessed retrospectively. The obtained data were analyzed using univariate and multivariate logistic regressions to evaluate the ability of each parameter and combined parameters in distinguishing the benign and atypical or malignant papillary lesions. RESULTS Among the imaging features of breast papillary lesions on conventional US and CEUS, two sonographic features (lesion size ≥1 cm and not circumscribed margin) on conventional US and four enhancement features (irregular enhancement, heterogeneous enhancement, enlargement of scope, and perfusion defect) on CEUS were found to be significantly different between the benign and atypical or malignant papillary lesions (P < 0.05). A multivariate logistic regression analysis further showed that only heterogeneous enhancement and enlarged enhancement scope were associated with malignancy. The sensitivity and specificity of heterogeneous enhancement, enlarged enhancement scope, and combined analysis for predicting atypical and malignant papillary lesions were 78.6 % and 39.1 %, 75 % and 37 %, and 75 % and 82.6 %, respectively. The combination of enhancement homogeneity and enhancement scope improved the diagnostic accuracy (AUC = 0.875). CONCLUSIONS The results suggested that the imaging features on conventional US and CEUS could help in identifying benign and malignant papillary lesions and predict their malignancy potential.
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Affiliation(s)
- Rui-Lan Niu
- Department of Ultrasound, the First Medical Center, Chinese PLA General Hospital, Fuxing Road 28, Beijing, Beijing, China
| | - Shi-Yu Li
- Department of Ultrasound, the First Medical Center, Chinese PLA General Hospital, Fuxing Road 28, Beijing, Beijing, China
| | - Bo Wang
- Department of Ultrasound, the First Medical Center, Chinese PLA General Hospital, Fuxing Road 28, Beijing, Beijing, China
| | - Ying Jiang
- Department of Ultrasound, the First Medical Center, Chinese PLA General Hospital, Fuxing Road 28, Beijing, Beijing, China
| | - Gang Liu
- Department of Radiology, the First Medical Center, Chinese PLA General Hospital, Fuxing Road 28, Beijing, Beijing, China.
| | - Zhi-Li Wang
- Department of Ultrasound, the First Medical Center, Chinese PLA General Hospital, Fuxing Road 28, Beijing, Beijing, China.
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22
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Zhang F, Jin L, Li G, Jia C, Shi Q, Du L, Wu R. The role of contrast-enhanced ultrasound in the diagnosis of malignant non-mass breast lesions and exploration of diagnostic criteria. Br J Radiol 2021; 94:20200880. [PMID: 33560894 DOI: 10.1259/bjr.20200880] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVES To assess the value of contrast-enhanced ultrasound (CEUS) for diagnosing malignant non-mass breast lesions (NMLs) and to explore the CEUS diagnostic criteria. METHODS A total of 116 patients with 119 NMLs detected by conventional US were enrolled. Histopathological results were used as the reference standard. The enhancement characteristics of NMLs in CEUS were compared between malignant and benign NMLs. The CEUS diagnostic criteria for malignant NMLs were established using independent diagnostic indicators identified by binary logistic regression analysis. The diagnostic performance of Breast Imaging Reporting and Data System-US (BI-RADS-US), CEUS, and BI-RADS-US combined with CEUS was evaluated and compared. RESULTS Histopathological results showed 63 and 56 benign and malignant NMLs. Enhancement degree (OR = 5.75, p = 0.003), enhancement area (OR = 4.25, p = 0.005), and radial or penetrating vessels (OR = 7.54, p = 0.003) were independent diagnostic indicators included to establish the CEUS diagnostic criteria. The sensitivity and specificity of BI-RADS-US, CEUS, and BI-RADS-US combined with CEUS were 100 and 30.2%, 80.4 and 74.6%, and 94.6 and 77.8%, respectively; the corresponding areas under the receiver operating characteristic curve (AUC) were 0.819, 0.775, and 0.885, respectively. CONCLUSIONS CEUS has a high specificity in malignant NML diagnosis based on the diagnostic criteria including enhancement degree, enhancement area, and radial or penetrating vessels, but with lower sensitivity than BI-RADS-US. The combination of CEUS and BI-RADS-US is an effective diagnostic tool with both high sensitivity and specificity for the diagnosis of malignant NMLs. ADVANCES IN KNOWLEDGE In this study, we assessed the diagnostic value of CEUS for malignant NMLs and constructed a feasible diagnostic criterion. We further revealed that the combination of CEUS and BI-RADS-US has a high diagnostic value for malignant NMLs.
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Affiliation(s)
- Fan Zhang
- Department of Ultrasound, Shanghai General Hospital of Nanjing Medical University, Shanghai, China.,Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lifang Jin
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Gang Li
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chao Jia
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiusheng Shi
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Lianfang Du
- Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Rong Wu
- Department of Ultrasound, Shanghai General Hospital of Nanjing Medical University, Shanghai, China.,Department of Ultrasound, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Boca (Bene) I, Dudea SM, Ciurea AI. Contrast-Enhanced Ultrasonography in the Diagnosis and Treatment Modulation of Breast Cancer. J Pers Med 2021; 11:jpm11020081. [PMID: 33573122 PMCID: PMC7912589 DOI: 10.3390/jpm11020081] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Revised: 01/23/2021] [Accepted: 01/28/2021] [Indexed: 12/22/2022] Open
Abstract
The aim of this paper is to highlight the role of contrast-enhanced ultrasound in breast cancer in terms of diagnosis, staging and follow-up of the post-treatment response. Contrast-enhanced ultrasound (CEUS) is successfully used to diagnose multiple pathologies and has also clinical relevance in breast cancer. CEUS has high accuracy in differentiating benign from malignant lesions by analyzing the enhancement characteristics and calculating the time-intensity curve’s quantitative parameters. It also has a significant role in axillary staging, especially when the lymph nodes are not suspicious on clinical examination and have a normal appearance on gray-scale ultrasound. The most significant clinical impact consists of predicting the response to neoadjuvant chemotherapy, which offers the possibility of adjusting the therapy by dynamically evaluating the patient. CEUS is a high-performance, feasible, non-irradiating, accessible, easy-to-implement imaging method and has proven to be a valuable addition to breast ultrasound.
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24
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Park AY, Seo BK, Han MR. Breast Ultrasound Microvascular Imaging and Radiogenomics. Korean J Radiol 2021; 22:677-687. [PMID: 33569931 PMCID: PMC8076833 DOI: 10.3348/kjr.2020.1166] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2020] [Revised: 11/13/2020] [Accepted: 12/10/2020] [Indexed: 02/07/2023] Open
Abstract
Microvascular ultrasound (US) techniques are advanced Doppler techniques that provide high sensitivity and spatial resolution for detailed visualization of low-flow vessels. Microvascular US imaging can be applied to breast lesion evaluation with or without US contrast agents. Microvascular US imaging without a contrast agent uses a sophisticated wall filtering system to selectively obtain low-flow Doppler signals from overlapped artifacts. Microvascular US imaging with second-generation contrast agents amplifies flow signals and makes them last longer, which facilitates hemodynamic evaluation of breast lesions. In this review article, we will introduce various microvascular US techniques, explain their clinical applications in breast cancer diagnosis and radiologic-histopathologic correlation, and provide a summary of a recent radiogenomic study using microvascular US.
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Affiliation(s)
- Ah Young Park
- Department of Radiology, Bundang CHA Medical Center, CHA University, Seongnam, Korea
| | - Bo Kyoung Seo
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea.
| | - Mi Ryung Han
- Division of Life Sciences, College of Life Sciences and Bioengineering, Incheon National University, Incheon, Korea
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25
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Lee SY, Woo OH, Shin HS, Song SE, Cho KR, Seo BK, Hwang SY. Assessment of Additional MRI-Detected Breast Lesions Using the Quantitative Analysis of Contrast-Enhanced Ultrasound Scans and Its Comparability with Dynamic Contrast-Enhanced MRI Findings of the Breast. JOURNAL OF THE KOREAN SOCIETY OF RADIOLOGY 2021; 82:889-902. [PMID: 36238077 PMCID: PMC9514400 DOI: 10.3348/jksr.2020.0115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/08/2020] [Revised: 09/04/2020] [Accepted: 09/14/2020] [Indexed: 11/21/2022]
Abstract
Purpose To assess the diagnostic performance of contrast-enhanced ultrasound (CEUS) for additional MR-detected enhancing lesions and to determine whether or not kinetic pattern results comparable to dynamic contrast-enhanced magnetic resonance imaging (DCE-MRI) of the breast can be obtained using the quantitative analysis of CEUS. Materials and Methods In this single-center prospective study, a total of 71 additional MR-detected breast lesions were included. CEUS examination was performed, and lesions were categorized according to the Breast Imaging-Reporting and Data System (BI-RADS). The sensitivity, specificity, and diagnostic accuracy of CEUS were calculated by comparing the BI-RADS category to the final pathology results. The degree of agreement between CEUS and DCE-MRI kinetic patterns was evaluated using weighted kappa. Results On CEUS, 46 lesions were assigned as BI-RADS category 4B, 4C, or 5, while 25 lesions category 3 or 4A. The diagnostic performance of CEUS for enhancing lesions on DCE-MRI was excellent, with 84.9% sensitivity, 94.4% specificity, and 97.8% positive predictive value. A total of 57/71 (80%) lesions had correlating kinetic patterns and showed good agreement (weighted kappa = 0.66) between CEUS and DCE-MRI. Benign lesions showed excellent agreement (weighted kappa = 0.84), and invasive ductal carcinoma (IDC) showed good agreement (weighted kappa = 0.69). Conclusion The diagnostic performance of CEUS for additional MR-detected breast lesions was excellent. Accurate kinetic pattern assessment, fairly comparable to DCE-MRI, can be obtained for benign and IDC lesions using CEUS.
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Affiliation(s)
- Sei Young Lee
- Department of Radiology, Korea University Guro Hospital, College of Medicine, Korea University, Seoul, Korea
| | - Ok Hee Woo
- Department of Radiology, Korea University Guro Hospital, College of Medicine, Korea University, Seoul, Korea
| | - Hye Seon Shin
- Department of Radiology, Korea University Guro Hospital, College of Medicine, Korea University, Seoul, Korea
| | - Sung Eun Song
- Department of Radiology, Korea University Anam Hospital, College of Medicine, Korea University, Seoul, Korea
| | - Kyu Ran Cho
- Department of Radiology, Korea University Anam Hospital, College of Medicine, Korea University, Seoul, Korea
| | - Bo Kyoung Seo
- Department of Radiology, Korea University Ansan Hospital, College of Medicine, Korea University, Seoul, Korea
| | - Soon Young Hwang
- Medical Science Research Support Center, Division of Medical Statistics, Korea University Guro Hospital, College of Medicine, Korea University, Seoul, Korea
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26
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Lu J, Zhou P, Jin C, Xu L, Zhu X, Lian Q, Gong X. Diagnostic Value of Contrast-Enhanced Ultrasonography With SonoVue in the Differentiation of Benign and Malignant Breast Lesions: A Meta-Analysis. Technol Cancer Res Treat 2020; 19:1533033820971583. [PMID: 33308040 PMCID: PMC7739090 DOI: 10.1177/1533033820971583] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
PURPOSE A meta-analysis was conducted to evaluate the diagnostic performance of contrast-enhanced ultrasonography using the contrast agent SonoVue to differentiate benign from malignant breast lesions. METHOD A comprehensive search of the literature was performed using the Embase, PubMed, and Web of Science databases to retrieve studies published before February 2020. Data were extracted, and pooled sensitivity, specificity, and diagnostic odds ratios were calculated with meta-analysis software. Heterogeneity was evaluated via the Q test and I2 statistic. Meta-regression and subgroup analyses were applied to evaluate potential sources of heterogeneity. Publication bias was assessed using the Deeks' funnel plot asymmetry test. A summary receiver operating characteristic curve (SROC) was constructed. RESULTS A total of 27 studies including 5378 breast lesions subjected to CEUS examination with SonoVue were included in the meta-analysis. The pooled sensitivity and specificity values were 0.90 (95% confidence interval [CI], 0.88-0.91; inconsistency index [I2] = 75.7%) and 0.83 (95% CI, 0.82-0.85; I2 = 91.0%), respectively. The pooled diagnostic odds ratio was 48.35% (95% CI, 31.22-74.89; I2 = 77.6%). The area under the summary receiver operating characteristic curve (AUC) was 0.9354. Meta-regression analysis revealed the region of patient residence and dose of contrast agent as potential sources of heterogeneity (P < .01). Subgroup analysis showed a higher area under the summary receiver operating characteristic curve for European and higher contrast agent dose subgroups (P < .05). CONCLUSION Contrast-enhanced ultrasonography with SonoVue displays high sensitivity, specificity, and accuracy when differentiating benign from malignant breast lesions. Despite its current limitations, this technique presents a promising tool for diagnosing breast lesions in clinical practice.
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Affiliation(s)
- Jianghao Lu
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Peng Zhou
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Chunchun Jin
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Lifeng Xu
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Xiaomin Zhu
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Qingshu Lian
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
| | - Xuehao Gong
- Department of Ultrasound, First Affiliated Hospital of Shenzhen University Health Science Center, Shenzhen Second People's Hospital, Shenzhen, China
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Sun L, Li N, Jia L, Zhang C, Wang S, Jiao R, Wang L, Ye Y. Comparison of Superb Microvascular Imaging and Conventional Doppler Imaging Techniques for Evaluating Placental Microcirculation: A Prospective Study. Med Sci Monit 2020; 26:e926215. [PMID: 33168797 PMCID: PMC7667954 DOI: 10.12659/msm.926215] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023] Open
Abstract
BACKGROUND Superb microvascular imaging (SMI) is a new blood flow imaging technique used to evaluate microvascular blood flow. This study evaluated whether SMI was superior to color Doppler flow imaging (CDFI) for evaluating placental microcirculation. MATERIAL AND METHODS This prospective study included pregnant women in their third trimester who were evaluated at General Hospital of Hebei Province from February to June 2017. The distribution of vascular patterns, including pulsatility index (PI), resistance index (RI), S/D, time average velocity (TAV), and vessels per unit area, were evaluated by SMI and CDFI. RESULTS This study evaluated 110 pregnant women of mean age 29.53 years. SMI and CDFI yielded statistically significant differences in PI (0.76 vs. 0.62), RI (0.71 vs. 0.47), S/D (2.23 vs. 1.71), TAV (14.35 vs. 22.45), and vessels per unit area (0.26 vs. 0.05) (P<0.001 each). The weight of the pregnant women correlated positively with RI (P=0.048) and negatively with vessels per unit area (P=0.040) as determined by SMI. Weeks of gestation correlated negatively correlated with PI (P=0.008), RI (P=0.004), S/D (P=0.015), and vessels per unit area (P=0.014) by CDFI, and positively with RI (P<0.001) and S/D (P=0.001) by SMI. The results of stratified comparisons of CDFI and SMI based on age, weight, and gestational weeks were consistent overall. CONCLUSIONS SMI, which has a higher rate of placental vascularity, a clearer display of capillaries, a greater sensitivity to low flow, and an advantage in displaying microcirculation of the placenta, can serve as a new and effective method of evaluating placental blood flow.
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Affiliation(s)
- Li Sun
- Department of Ultrasound, Hebei General Hospital, Shijiazhuang, Hebei, China (mainland)
| | - Ningning Li
- Department of Obstetrics and Gynecology, Hebei General Hospital, Shijiazhuang, Hebei, China (mainland)
| | - Lu Jia
- Department of Obstetrics and Gynecology, Hebei General Hospital, Shijiazhuang, Hebei, China (mainland)
| | - Cui Zhang
- Department of Obstetrics and Gynecology, Hebei General Hospital, Shijiazhuang, Hebei, China (mainland)
| | - Shuxia Wang
- Department of Ultrasound, Hebei General Hospital, Shijiazhuang, Hebei, China (mainland)
| | - Ronghong Jiao
- Department of Ultrasound, Hebei General Hospital, Shijiazhuang, Hebei, China (mainland)
| | - Li Wang
- Department of Obstetrics and Gynecology, Hebei General Hospital, Shijiazhuang, Hebei, China (mainland)
| | - Yuquan Ye
- Department of Ultrasound, Hebei General Hospital, Shijiazhuang, Hebei, China (mainland)
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Gao J, Han W, Ai Si Mu Tu La DLMLT, Hou X, Li ZM, Song T. Value of contrast-enhanced malignancy imaging features in secondary grade diagnosis of BI-RADS-US type 4 breast lesions. TUMORI JOURNAL 2020; 107:424-431. [PMID: 33124515 DOI: 10.1177/0300891620965710] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
PURPOSE To explore the value of contrast-enhanced malignancy imaging features in secondary grade diagnosis of Breast Imaging Reporting and Data System for Ultrasonography (BI-RADS-US) type 4 breast lesions. METHODS After initial diagnosis by ultrasound, 124 BI-RADS-US type 4 patients with 130 lesions were examined by contrast-enhanced ultrasound (CEUS) and were classified again before surgery according to five contrast-enhanced malignancy imaging features: inhomogeneous enhancement, peripheral ring-like enhancement, expansive enhancement, internal filling defects, and surrounding radioactive convergence. Lesions with no contrast-enhanced features of malignancy were categorized as type 3; lesions with one, two, or three features of malignancy were categorized as type 4A, 4B, or 4C, respectively; and lesions with four or more indices of malignancy were categorized as type 5. The value of contrasted imaging features of malignancy in diagnosing BI-RADS-US type 4 breast lesions was analyzed. RESULTS The accuracy of CEUS diagnosis for type 3 lesions was 93.8% (46/49), 76.9% (10/13) for type 4A, 71.4% (5/7) for type 4B, 75.0% (9/12) for type 4C, and 93.8% (46/49) for type 5 lesions. The sensitivity of CEUS in diagnosing malignant lesions was 90.4%, specificity was 83.6%, and accuracy was 86.9%. CEUS decreased the benign lesion biopsy ratio to 68.5% (46/67) and increased the diagnosis ratio of malignant lesions to 73.0% (46/63). CONCLUSIONS CEUS can further optimize the classification of BI-RADS-US type 4 breast lesions and may provide a better reference basis for clinical diagnosis and treatment of those breast lesions.
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Affiliation(s)
- Junxi Gao
- Department of Ultrasound Diagnosis Abdomen, Xinjiang Medical University Affiliated First Hospital, Urumqi, Xinjiang, China
| | - Wei Han
- Department of Ultrasound Diagnosis Abdomen, Xinjiang Medical University Affiliated First Hospital, Urumqi, Xinjiang, China
| | - Di Li Mu La Ti Ai Si Mu Tu La
- Department of Ultrasound Diagnosis Abdomen, Xinjiang Medical University Affiliated First Hospital, Urumqi, Xinjiang, China
| | - Xueqin Hou
- Department of Ultrasound Diagnosis Abdomen, Xinjiang Medical University Affiliated First Hospital, Urumqi, Xinjiang, China
| | - Zhi Ming Li
- Department of Ultrasound Diagnosis Abdomen, Xinjiang Medical University Affiliated First Hospital, Urumqi, Xinjiang, China
| | - Tao Song
- Department of Ultrasound Diagnosis Abdomen, Xinjiang Medical University Affiliated First Hospital, Urumqi, Xinjiang, China
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29
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Haga M, Hirai T, Nakai T, Kobayashi T, Nakamura T, Marugami A, Ito T, Takewa M, Marugami N, Kichikawa K. Evaluation of background parenchymal enhancement in breast contrast-enhanced ultrasound with Sonazoid ®. J Med Ultrason (2001) 2020; 47:591-601. [PMID: 32989596 DOI: 10.1007/s10396-020-01052-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Accepted: 08/25/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE The objective of this study was to retrospectively evaluate the association between background parenchymal enhancement (BPE) on contrast-enhanced ultrasound (CEUS) with Sonazoid® and patient characteristics. Additionally, background parenchymal tissues with the high-contrast effect were pathologically observed compared to those showing the low-contrast effect. METHODS A total of 65 patients who underwent breast CEUS with Sonazoid® between January 2010 and November 2013 were enrolled. Regions of interest (ROIs) were put on the tumor and on the background parenchymal tissue. The dB values during the nonenhanced time and at peak contrast enhancement were measured based on the time intensity curve (TIC) drawn by the ROI. The differences in the dB values of pre- and post-enhanced time were obtained separately for ROIs on the tumor and ROIs on the parenchymal tissue. The patient characteristics studied were age, menstrual status, mammographic density, BPE on magnetic resonance imaging (MRI), and pathological diagnoses of breast tumors. RESULTS There was a weak negative correlation between BPE on CEUS and age. As for the contrast effect of parenchymal tissue, there was a significant difference between the menstruating and menopausal groups. There was no significant difference among the levels of mammographic density, and among the degrees of contrast effect on MRI. BPE on CEUS was the same between those with a malignant tumor and those with a benign tumor in each menstrual status. The parenchymal tissue with the low-contrast effect showed pathological atrophy. CONCLUSION The degree of BPE on CEUS appeared related to age, menstruating or menopausal, and atrophy of breast tissue. BPE on CEUS was the same between those with a malignant tumor and those with a benign tumor in each menstrual status.
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Affiliation(s)
- Masayo Haga
- Department of Radiology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan.
| | - Toshiko Hirai
- Department of General Diagnostic Imaging Center, Nara Medical University, Nara, Japan
| | - Tokiko Nakai
- Department of Diagnostic Pathology, Nara Medical University, Nara, Japan
| | | | | | - Aki Marugami
- Department of Radiology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
| | - Takahiro Ito
- Department of Radiology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
| | - Megumi Takewa
- Department of Radiology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
| | - Nagaaki Marugami
- Department of General Diagnostic Imaging Center, Nara Medical University, Nara, Japan
| | - Kimihiko Kichikawa
- Department of Radiology, Nara Medical University, 840 Shijo-cho, Kashihara, Nara, 634-8521, Japan
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Janu E, Krikavova L, Little J, Dvorak K, Brancikova D, Jandakova E, Pavlik T, Kovalcikova P, Kazda T, Valek V. Prospective evaluation of contrast-enhanced ultrasound of breast BI-RADS 3-5 lesions. BMC Med Imaging 2020; 20:66. [PMID: 32552678 PMCID: PMC7302394 DOI: 10.1186/s12880-020-00467-2] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2019] [Accepted: 06/10/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND To determine the benefit of contrast-enhanced ultrasound (CEUS) in the assessment of breast lesions. METHODS A standardized contrast-enhanced ultrasound was performed in 230 breast lesions classified as BI-RADS category 3 to 5. All lesions were subjected to qualitative and quantitative analysis. MVI (MicroVascular Imaging) technique was used to derive qualitative analysis parameters; blood perfusion of the lesions was assessed (perfusion homogeneity, type of vascularization, enhancement degree). Quantitative analysis was conducted to estimate perfusion changes in the lesions within drawn regions of interest (ROI); parameters TTP (time to peak), PI (peak intensity), WIS (wash in slope), AUC (area under curve) were obtained from time intensity (TI) curves. Acquired data were statistically analyzed to assess the ability of each parameter to differentiate between malignant and benign lesions. The combination of parameters was also evaluated for the possibility of increasing the overall diagnostic accuracy. Biological nature of the lesions was verified by a pathologist. Benign lesions without histopathological verification (BI-RADS 3) were followed up for at least 24 months. RESULTS Out of 230 lesions, 146 (64%) were benign, 67 (29%) were malignant, 17 (7%) lesions were eliminated. Malignant tumors showed statistically significantly lower TTP parameters (sensitivity 77.6%, specificity 52.7%) and higher WIS values (sensitivity 74.6%, specificity 66.4%) than benign tumors. Enhancement degree also proved to be statistically well discriminating as 55.2% of malignant lesions had a rich vascularity (sensitivity 89.6% and specificity 48.6%). The combination of quantitative analysis parameters (TTP, WIS) with enhancement degree did not result in higher accuracy in distinguishing between malignant and benign breast lesions. CONCLUSIONS We have demonstrated that contrast-enhanced breast ultrasound has the potential to distinguish between malignant and benign lesions. In particular, this method could help to differentiate lesions BI-RADS category 3 and 4 and thus reduce the number of core-cut biopsies performed in benign lesions. Qualitative analysis, despite its subjective element, appeared to be more beneficial. A combination of quantitative and qualitative analysis did not increase the predictive capability of CEUS.
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Affiliation(s)
- Eva Janu
- The Clinic of Radiology and Nuclear Medicine, The University Hospital Brno, Brno, Czech Republic.,The Clinic of Radiology and Nuclear Medicine, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Lucie Krikavova
- The Clinic of Radiology and Nuclear Medicine, The University Hospital Brno, Brno, Czech Republic
| | - Jirina Little
- The Clinic of Radiology and Nuclear Medicine, The University Hospital Brno, Brno, Czech Republic
| | - Karel Dvorak
- The Clinic of Radiology and Nuclear Medicine, The University Hospital Brno, Brno, Czech Republic
| | - Dagmar Brancikova
- The Clinic of Internal Medicine - Haematology and Oncology, The University Hospital Brno, Brno, Czech Republic
| | - Eva Jandakova
- The Institute of Pathology, The University Hospital Brno, Brno, Czech Republic
| | - Tomas Pavlik
- The Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Petra Kovalcikova
- The Institute of Biostatistics and Analyses, Faculty of Medicine, Masaryk University Brno, Brno, Czech Republic
| | - Tomas Kazda
- Department of Radiation Oncology, Masaryk Memorial Cancer Institute, Zluty kopec 7, 65653, Brno, Czech Republic. .,Department of Radiation Oncology, Faculty of Medicine, Masaryk University, Brno, Czech Republic.
| | - Vlastimil Valek
- The Clinic of Radiology and Nuclear Medicine, The University Hospital Brno, Brno, Czech Republic
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31
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Park AY, Kwon M, Woo OH, Cho KR, Park EK, Cha SH, Song SE, Lee JH, Cha J, Son GS, Seo BK. A Prospective Study on the Value of Ultrasound Microflow Assessment to Distinguish Malignant from Benign Solid Breast Masses: Association between Ultrasound Parameters and Histologic Microvessel Densities. Korean J Radiol 2020; 20:759-772. [PMID: 30993927 PMCID: PMC6470080 DOI: 10.3348/kjr.2018.0515] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2018] [Accepted: 12/22/2018] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE To investigate the value of ultrasound (US) microflow assessment in distinguishing malignant from benign solid breast masses as well as the association between US parameters and histologic microvessel density (MVD). MATERIALS AND METHODS Ninety-eight breast masses (57 benign and 41 malignant) were examined using Superb Microvascular Imaging (SMI) and contrast-enhanced US (CEUS) before biopsy. Two radiologists evaluated the quantitative and qualitative vascular parameters on SMI (vascular index, morphology, distribution, and penetration) and CEUS (time-intensity curve analysis and enhancement characteristics). US parameters were compared between benign and malignant masses and the diagnostic performance was compared between SMI and CEUS. Subgroup analysis was performed according to lesion size. The effect of vascular parameters on downgrading Breast Imaging Reporting and Data System (BI-RADS) category 4A masses was evaluated. The association between histologic MVD and US parameters was analyzed. RESULTS Malignant masses were associated with a higher vascular index (15.1 ± 7.3 vs. 5.9 ± 5.6), complex vessel morphology (82.9% vs. 42.1%), central vascularity (95.1% vs. 59.6%), penetrating vessels (80.5% vs. 31.6%) on SMI (all, p < 0.001), as well as higher peak intensity (37.1 ± 25.7 vs. 17.0 ± 15.8, p < 0.001), slope (10.6 ± 11.2 vs. 3.9 ± 4.2, p = 0.001), area (1035.7 ± 726.9 vs. 458.2 ± 410.2, p < 0.001), hyperenhancement (95.1% vs. 70.2%, p = 0.005), centripetal enhancement (70.7% vs. 45.6%, p = 0.023), penetrating vessels (65.9% vs. 22.8%, p < 0.001), and perfusion defects (31.7% vs. 3.5%, p < 0.001) on CEUS (p ≤ 0.023). The areas under the receiver operating characteristic curve (AUCs) of SMI and CEUS were 0.853 and 0.841, respectively (p = 0.803). In 19 masses measuring < 10 mm, central vascularity on SMI was associated with malignancy (100% vs. 38.5%, p = 0.018). Considering all benign SMI parameters on the BI-RADS assessment, unnecessary biopsies could be avoided in 12 category 4A masses with improved AUCs (0.500 vs. 0.605, p < 0.001). US vascular parameters associated with malignancy showed higher MVD (p ≤ 0.016). MVD was higher in malignant masses than in benign masses, and malignant masses negative for estrogen receptor or positive for Ki67 had higher MVD (p < 0.05). CONCLUSION US microflow assessment using SMI and CEUS is valuable in distinguishing malignant from benign solid breast masses, and US vascular parameters are associated with histologic MVD.
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Affiliation(s)
- Ah Young Park
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea.,Department of Radiology, Bundang CHA Medical Center, CHA University, Seongnam, Korea
| | - Myoungae Kwon
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Ok Hee Woo
- Department of Radiology, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Korea
| | - Kyu Ran Cho
- Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Eun Kyung Park
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Sang Hoon Cha
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Sung Eun Song
- Department of Radiology, Korea University Anam Hospital, Korea University College of Medicine, Seoul, Korea
| | - Ju Han Lee
- Department of Pathology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - JaeHyung Cha
- Medical Science Research Center, Korea University Ansan Hospital, Ansan, Korea
| | - Gil Soo Son
- Division of Breast Endocrine Surgery, Department of General Surgery, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
| | - Bo Kyoung Seo
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea.
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Gu LS, Zhang R, Wang Y, Liu XM, Ma F, Wang JY, Sun XY, Liu MJ, Wang B, Zou SM. Characteristics of contrast-enhanced ultrasonography and strain elastography of locally advanced breast cancer. J Thorac Dis 2019; 11:5274-5289. [PMID: 32030245 PMCID: PMC6987994 DOI: 10.21037/jtd.2019.11.52] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Accepted: 11/20/2019] [Indexed: 12/16/2022]
Abstract
BACKGROUND Locally advanced breast cancer (LABC) is one of the subgroups of invasive breast cancer. The treatment of LABC is neoadjuvant chemotherapy (NAC) before surgery, which is different from the others. The study aimed to analyze and compare the characteristics of conventional ultrasound, contrast-enhanced ultrasonography (CEUS) and strain elastography (SE) in LABC patients who have different treatment outcomes, and to provide help for LABC in the imaging diagnosis and clinic treatment. METHODS From May 2018 to April 2019, 36 patients (40 lesions) of LABC were enrolled, which diagnosed by puncture biopsy. According to the clinical evaluation, these patients were recommended to undergo pre-operative NAC followed by surgery. All patients underwent conventional ultrasound, CEUS and SE before puncture. According to postoperative pathological grading and follow-up, the patients were divided into effective and ineffective groups. We summarized and compared the features of conventional ultrasound, CEUS and SE of patients in two groups. The correlation between the imaging characteristics and the postoperative pathological grading was also analyzed. RESULTS Conventional ultrasonic features of LABC: the most lesions of LABC were mass type (32/40, 80.0%), and all lesions were irregular. Most of lesions showed unclear boundaries (39/40, 97.5%), heterogeneous echoes (38/40, 95.0%), and internal calcifications (24/40, 60.0%). Most of lesions had hyperechoic halos (31/40, 77.5%), aspect ratio less than or equal to 1 (34/40, 85.0%), and blood flow grading was III (36/40, 90.0%). CEUS features of LABC: compared with the surrounding normal tissues, all the lesions (40/40,100.0%) were highly enhanced. Most of lesions (35/40, 87.5%) were uneven enhanced. The main enhancement mode was "fast in and slow out" (39/40, 97.5%). There were totally 25 lesions which had "solar sign" (25/40, 62.5%). SE features of LABC: the average visual elastography score of the lesions was 4.28±0.67, the maximum strain rate (E1) of the lesions averaged 4.88±0.54, and the overall strain rate of the lesion averaged 4.14±0.72. There was no significant difference between effective and ineffective groups in the characteristics of conventional ultrasound, CEUS and SE. There was a correlation between the appearance of "solar sign" in CEUS and postoperative pathological grading, and the contingency coefficient was 0.564 (P<0.05). The pathological grading of patients without solar sign was higher. The other characteristics of conventional ultrasound, CEUS and SE in LABC patients had no correlation with postoperative pathological grading. CONCLUSIONS In LABC, the conventional ultrasound usually shows irregular shape and unclear boundaries. The aspect ratio is less than or equal to 1. CEUS showed uneven enhancement of "fast in and slow out", and "solar sign" was often seen. Elastography showed that the texture of the lesion was significantly stiffer than the surrounding normal tissue. Ultrasound imaging before NAC had no relationship with pathological complete response or not. However, "solar sign" in CEUS was an important feature and had correlation with postoperative pathological grading.
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Affiliation(s)
- Li-Shuang Gu
- Department of Ultrasound, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing 100010, China
| | - Rui Zhang
- Department of Ultrasound, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Yong Wang
- Department of Ultrasound, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Xue-Mei Liu
- Department of Ultrasound, Beijing Hospital of Traditional Chinese Medicine, Capital Medical University, Beijing 100010, China
| | - Fei Ma
- Department of Breast Diseases, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Jia-Yu Wang
- Department of Breast Diseases, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Xiao-Ying Sun
- Department of Medical Oncology, Cancer Hospital of Huanxing Chaoyang District, Beijing 100122, China
| | - Meng-Jia Liu
- Department of Ultrasound, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Bo Wang
- Department of Ultrasound, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
| | - Shuang-Mei Zou
- Department of Pathology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100021, China
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Li X, Xia S, Zhou W, Ji R, Zhan W. Targeted Fe-doped silica nanoparticles as a novel ultrasound-magnetic resonance dual-mode imaging contrast agent for HER2-positive breast cancer. Int J Nanomedicine 2019; 14:2397-2413. [PMID: 31040664 PMCID: PMC6455005 DOI: 10.2147/ijn.s189252] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Background Multimodal contrast agents with low toxicity and targeted modification have opened up new possibilities for specific imaging of breast cancer and shown broad application prospects in biomedicine and great potential for clinical transformation. In this work, a potential multifunctional imaging agent was developed by doping Fe into hollow silica nanoparticles (HS-Fe NPs), followed by modification with specific anti-HER2 antibodies, enabling the NPs to have dual-mode ultrasound (US)-magnetic resonance (MR)-specific imaging capacity with low toxicity. Methods Anti-HER2 antibodies were conjugated to silane-polyethylene glycol (PEG)-COOH-modified HS-Fe (HS-Fe-PEG) NPs to produce HER2-targeted HS-Fe-PEG (HS-Fe-PEG-HER2) NPs. The toxicity of HS-Fe-PEG-HER2 NPs on targeted cells in vitro and blood and organ tissue of mice in vivo was investigated. Distribution in vivo was also studied. Confocal laser-scanning microscopy and flow cytometry were used to evaluate the targeting ability of HS-Fe-PEG-HER2 NPs in vitro. US and MR instruments were used for imaging both in vivo and in vitro. Results The obtained HS-Fe-PEG-HER2 NPs (average diameter 234.42±48.76 nm) exhibited good physical properties and biosafety. In solution, they showed obvious enhancement of the US signal and negative contrast in T 2-weighted MR imaging. The binding rate of HS-Fe-PEG-HER2 NPs to targeted cells (SKBR3) was 78.97%±4.41% in vitro. US and MR imaging in vivo confirmed that the HS-Fe-PEG-HER2 NPs were delivered passively into the tumor region of SKBR3 and bound specifically to tumor cells. Target enhancement was better than untargeted and targeted competition groups. Conclusion HS-Fe-PEG-HER2 NPs have potential as a low-cytotoxicity and dual-mode US-MR-specific imaging agent.
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Affiliation(s)
- Xiaoyu Li
- Ultrasound Department, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ;
| | - Shujun Xia
- Ultrasound Department, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ;
| | - Wei Zhou
- Ultrasound Department, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ;
| | - Ri Ji
- Ultrasound Department, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ;
| | - Weiwei Zhan
- Ultrasound Department, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China, ;
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Tang L, Chen Y, Du Z, Zhong Z, Chen Q, Yang L, Shen R, Cheng Y, Zhang Z, Han E, Lv Z, Yuan L, Yang Y, Cheng Y, Yang L, Wang S, Bai B, Luo J. A multicenter study of a contrast-enhanced ultrasound diagnostic classification of breast lesions. Cancer Manag Res 2019; 11:2163-2170. [PMID: 30936748 PMCID: PMC6421891 DOI: 10.2147/cmar.s194868] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Purpose To evaluate a classification model of contrast-enhanced ultrasound (CEUS) and examine the characteristics of patients with false-negative diagnosis. Patients and methods A retrospective secondary analysis of a multicenter trial of CEUS for breast cancer diagnosis (from August 2015 to April 2017) was undertaken. Patients (n=1,023) with Breast Imaging Reporting and Data System 4-5 lesions on B-mode ultrasound underwent CEUS. Pathological diagnoses were available from surgical or biopsy specimens for correlation. Lesion maximum diameter (LMD), distance to the papilla (DtP), distance from the superficial edge of the lesion to the skin (DtS), distance from the deep edge of the lesion to the pectoralis muscle (DtPM), and body mass index (BMI) were evaluated. Results Median age and BMI were 48.0 and 41.2 years and 23.2 and 22.4 kg/m2 for patients with malignant and benign lesions, respectively. Overall sensitivity, specificity, and accuracy of CEUS for malignancy were 89.4%, 65.3%, and 75.8%, respectively. The patients with true-positive and false-negative diagnosis (ie, with malignant lesion) were older than those with false-positive and true-negative diagnosis (ie, with benign lesion). Patients with true-positive and false-positive diagnoses had higher BMI than patients with true-negative and false-negative diagnoses (P=0.004). Patients with true-positive and false-negative diagnoses had larger LMD and DtP, as well as smaller DtS and DtPM. Conclusion Older age, higher BMI, larger LMD and DtP, and smaller DtS and DtPM were associated with malignant lesions on CEUS. Patients with these characteristics should undergo further imaging.
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Affiliation(s)
- Lina Tang
- Department of Ultrasound, Fujian Cancer Hospital and Fujian Medical University Cancer Hospital, Fuzhou 350014, Fujian Province, China,
| | - Yijie Chen
- Department of Ultrasound, Fujian Cancer Hospital and Fujian Medical University Cancer Hospital, Fuzhou 350014, Fujian Province, China,
| | - Zhongshi Du
- Department of Ultrasound, Fujian Cancer Hospital and Fujian Medical University Cancer Hospital, Fuzhou 350014, Fujian Province, China,
| | - Zhaoming Zhong
- Department of Ultrasound, Fujian Cancer Hospital and Fujian Medical University Cancer Hospital, Fuzhou 350014, Fujian Province, China,
| | - Qin Chen
- Department of Ultrasound, Sichuan Provincial People's Hospital, Chengdu 610072, Sichuan Province, China,
| | - Lichun Yang
- Department of Ultrasound, The Third Affiliated Hospital of Kunming Medical University and Yunnan Cancer Hospital, Kunming 650118, Yunnan Province, China
| | - Ruoxia Shen
- Department of Ultrasound, The Third Affiliated Hospital of Kunming Medical University and Yunnan Cancer Hospital, Kunming 650118, Yunnan Province, China
| | - Yan Cheng
- Department of Ultrasound, Qujing City First People's Hospital, Qujing 655000, Yunnan Province, China
| | - Zizhen Zhang
- Department of Ultrasound, Qujing City First People's Hospital, Qujing 655000, Yunnan Province, China
| | - Ehui Han
- Department of Ultrasound, Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Edong Healthcare Group, Huangshi 435000, Hubei Province, China
| | - Zhihong Lv
- Department of Ultrasound, Huangshi Central Hospital, Affiliated Hospital of Hubei Polytechnic University, Edong Healthcare Group, Huangshi 435000, Hubei Province, China
| | - Lijun Yuan
- Department of Ultrasound, Tangdu Hospital, Fourth Military Medical University, Xi'an 710032, Shanxi Province, China
| | - Yong Yang
- Department of Ultrasound, Tangdu Hospital, Fourth Military Medical University, Xi'an 710032, Shanxi Province, China
| | - Yinrong Cheng
- Department of Ultrasound, Chengdu First People's Hospital, Chengdu 610000, Sichuan Province, China
| | - Lei Yang
- Department of Ultrasound, Chengdu First People's Hospital, Chengdu 610000, Sichuan Province, China
| | - Shengli Wang
- Department of Ultrasound, Yanan University Affiliated Hospital, Yan'an 716000, Shanxi Province, China
| | - Baoyan Bai
- Department of Ultrasound, Yanan University Affiliated Hospital, Yan'an 716000, Shanxi Province, China
| | - Jun Luo
- Department of Ultrasound, Sichuan Provincial People's Hospital, Chengdu 610072, Sichuan Province, China,
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Du YR, Wu Y, Chen M, Gu XG. Application of contrast-enhanced ultrasound in the diagnosis of small breast lesions. Clin Hemorheol Microcirc 2019; 70:291-300. [PMID: 29710688 DOI: 10.3233/ch-170368] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
BACKGROUND Breast cancer is the most common cancer in women worldwide. The purpose of the study was to observe the features of contrast-enhanced ultrasound (CEUS) and the combination with Breast Imaging-Reporting and Data System (BI-RADS) of conventional ultrasound for assessing small breast lesions. OBJECTIVES The study was to explore the small breast lesions' features of contrast-enhanced ultrasound (CEUS) and the combination with Breast Imaging-Reporting and Data System (BI-RADS) of conventional ultrasound, in order to improve the diagnostic accuracy of early breast cancer. METHODS 105 lesions were subject to conventional US (ultrasound) and CEUS before operations or biopsies. Among 105 breast lesions, six patient diagnoses were established by thick core-needle biopsy, while the rest were all confirmed by surgery and pathology. RESULTS Significant differences were found between benign and malignant lesions in qualitative and quantitative indexes (peak) of CEUS (P < 0.05). The qualitative features of malignant small breast lesions were as follows: (1) enhanced intensity within the lesion was not uniform (61/61,100%); (2) the speed of wash-in was earlier than the surrounding tissue (58/61, 95.1%); (3) lesion interior and the surrounding tissues had contrast vessel performance (61/61,100%). Peak of malignant lesions (35.77±11.45) was higher than that of benign lesions (31.96±10.76) (P < 0.05). The diagnostic performance of BI-RADS-US plus qualitative indexes (method one) in terms of area under receiver operating characteristic curve (AUROC) were the highest (i.e., AUROC = 0.817), in comparison with other combined diagnostic methods. The associated sensitivity, specificity and accuracy were 78.69%, 84.09% and 80.95%, respectively. With method one, however, was similar with US-BI-RADS in specificity, 11 malignant breast lesions were regarded as a higher classification of BI-RADS and classified into malignant group, which were identified as benign on US-BI-RADS originally. CONCLUSIONS CEUS was useful to differentiate benign from malignant small breast lesions, and the combination of CEUS and BI-RADS-US can improve the early diagnosis of breast cancers.
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Affiliation(s)
- Yan-Ran Du
- Shanghai Putuo District Central Hospital, Shanghai, China
| | - Yang Wu
- Shanghai Putuo District Central Hospital, Shanghai, China
| | - Man Chen
- Department of Diagnostic Ultrasound, Tong Ren Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Xin-Gang Gu
- Shanghai Putuo District Central Hospital, Shanghai, China
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Wubulihasimu M, Maimaitusun M, Xu XL, Liu XD, Luo BM. The added value of contrast-enhanced ultrasound to conventional ultrasound in differentiating benign and malignant solid breast lesions: a systematic review and meta-analysis. Clin Radiol 2018; 73:936-943. [PMID: 30297035 DOI: 10.1016/j.crad.2018.06.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 06/04/2018] [Indexed: 11/29/2022]
Abstract
AIM To investigate the added value of contrast-enhanced ultrasound (CEUS) to the conventional ultrasound (US) in the diagnosis of breast lesions. MATERIALS AND METHODS PubMed, EMBASE, and Web of Science were searched for relevant studies published between 24 May 2005, and 29 October 2017. Studies incorporating CEUS into the conventional US were included. The reference standard was set by means of histopathological findings. The quality assessment of diagnostic studies (QUADAS) instrument was used to assess the quality of the included studies. Meta-Disc version 1.4. was used to calculate the sensitivity, specificity, summary receiver-operating characteristic (sROC) curves, and area under the curve (AUC). Meta-regression with Stata 12.0 was used to compare the diagnostic accuracy of the two techniques. RESULTS Five studies, comprising 992 patients, were eligible for this meta-analysis. For conventional US, the pooled sensitivity and specificity for were 0.87 (95% confidence interval [CI]: 0.84-0.91) and 0.80 (95% CI: 0.76-0.84), respectively, the AUC was 0.9049. For CEUS-rerated US, the pooled sensitivity and specificity were 0.93 (95% CI: 0.90-0.95) and 0.87 (95% CI: 0.84-0.90). The AUC was 0.9482. Meta-regression showed the sensitivity of CEUS-rerated US did not differ from conventional US (p=0.29), while specificity showed significant difference (p<0.01). There was evidence of between-study heterogeneity regarding sensitivity and specificity for both assessments. CONCLUSIONS Adding CEUS to conventional US could improve the diagnostic performance in differentiating benign from malignant solid breast lesions, whilst retaining high sensitivity, especially in Breast Imaging-Reporting and Data System (BI-RADS) 3-5 lesions. A uniform standard to distinguish benign from malignant lesions might be needed for further clinical application.
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Affiliation(s)
- M Wubulihasimu
- Ultrasonic Medical Section of In-patient Department, The First People's Hospital of Kashigar Region, China
| | - M Maimaitusun
- Ultrasonic Medical Section of In-patient Department, The First People's Hospital of Kashigar Region, China
| | - X-L Xu
- Department of Ultrasound, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, China; Guangdong Provincial Key Laboratory of Malignant Tumor Epigenetics and Gene Regulation, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, China
| | - X-D Liu
- Department of Ultrasound, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, China.
| | - B-M Luo
- Department of Ultrasound, Sun Yat-Sen Memorial Hospital of Sun Yat-Sen University, China.
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Vraka I, Panourgias E, Sifakis E, Koureas A, Galanis P, Dellaportas D, Gouliamos A, Antoniou A. Correlation Between Contrast-enhanced Ultrasound Characteristics (Qualitative and Quantitative) and Pathological Prognostic Factors in Breast Cancer. In Vivo 2018; 32:945-954. [PMID: 29936484 DOI: 10.21873/invivo.11333] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2018] [Revised: 04/21/2018] [Accepted: 04/23/2018] [Indexed: 12/19/2022]
Abstract
BACKGROUND/AIM Little is known about the correlation between contrast-enhanced ultrasound (CEUS) characteristics and pathological prognostic factors in breast cancer. The aim of this study was to explore the correlation between CEUS characteristics and pathological prognostic factors. PATIENTS AND METHODS A retrospective study with 34 malignant breast lesions was conducted. CEUS characteristics included qualitative characteristics (e.g. lesion's enhancement degree and order, internal lesion homogeneity etc.) and quantitative characteristics (e.g. peak intensity, time to peak etc.). Also, pathological prognostic factors were included (e.g. tumor grade, estrogen receptor status etc.). RESULTS Blurred lesion margins were observed more often in tumors of high histological grade (p=0.01) and in estrogen receptor-negative tumors (p=0.049). Furthermore, perilesional enhancement was associated with positive Ki-67 expression (p=0.049), while heterogeneous internal sentinel lymph node enhancement was associated with malignant infiltration of the node (p=0.002). CONCLUSION CEUS has the potential to provide a prevision of pathological prognostic factors in malignant breast lesions, helping in the better early patient management.
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Affiliation(s)
- Irene Vraka
- Department of Radiology, Aretaieion Hospital, Department of Medicine, National & Kapodistrian University of Athens, Athens, Greece
| | - Evangelia Panourgias
- Department of Radiology, Aretaieion Hospital, Department of Medicine, National & Kapodistrian University of Athens, Athens, Greece
| | - Emmanouil Sifakis
- Department of Oncology-Pathology, Jonas Bergh Research Group, Karolinska Institute, Stockholm, Sweden
| | - Andreas Koureas
- Department of Radiology, Aretaieion Hospital, Department of Medicine, National & Kapodistrian University of Athens, Athens, Greece
| | - Petros Galanis
- Center for Health Services Management and Evaluation, Department of Nursing, National & Kapodistrian University of Athens, Athens, Greece
| | - Dionysios Dellaportas
- 2nd Department of Surgery, Aretaieion Hospital, Department of Medicine, National & Kapodistrian University of Athens, Athens, Greece
| | - Athanasios Gouliamos
- Department of Radiology, Aretaieion Hospital, Department of Medicine, National & Kapodistrian University of Athens, Athens, Greece
| | - Aristides Antoniou
- Department of Radiology, Aretaieion Hospital, Department of Medicine, National & Kapodistrian University of Athens, Athens, Greece
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Li J, Guo L, Yin L, Fang H, Ye W, Zhao B, Liu Y, Xu T. Can different regions of interest influence the diagnosis of benign and malignant breast lesions using quantitative parameters of contrast-enhanced sonography? Eur J Radiol 2018; 108:1-6. [PMID: 30396640 DOI: 10.1016/j.ejrad.2018.09.005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 08/18/2018] [Accepted: 09/04/2018] [Indexed: 11/18/2022]
Abstract
OBJECTIVES To evaluate the diagnostic utility of quantitative parameters which generated in different regions of interests (ROIs) of benign and malignant breast lesions using contrast-enhanced sonography(CEUS). MATERIALS AND METHODS 130 patients were evaluated with contrast harmonic imaging after the injection of a bolus dose of 4.8 ml SonoVue (Bracco Sp A, Milan, Italy). Quantitative analyses using the TIC were performed in two types of ROI (manually tracing the whole lesions and using 3-mm rectangular sampling frames to depict local lesions).Wash in slope (WIS), rise time (RT), time to peak (TTP),peak intensity (PI),strengthening intensity (SI),wash out slope(WOS) and mean transit time(MTT) were investigated in each ROI, SI includes the strengthening intensity of the lesion itself(SIs) and its strengthening intensity relative to the reference area(SIr). RESULTS Pathologic analysis showed 52 benign and 78 malignant lesions. There were significant differences in the quantitative parameters obtained by the two ROI types (P < 0.05). There were significant differences between benign and malignant lesions in the WIS-e(P < 0.05), TTP-e(P < 0.05), and SIr-e (P < 0.05) for the manual ROI. Significant differences were found between benign and malignant lesions in the WIS-l(P < 0.05), TTP-l(P < 0.05), PI-l(P < 0.05), SIs-l(P < 0.05), and SIr-l (P < 0.05) for the 3-mm ROI. The regression equation obtained by ROI-e was P = 1/[1 + e-(2.65-0.184TTP-e)]. The regression equation obtained by ROI-l was P = 1/[1 + e-(2.472+0.024SIr-l-0.279TTP-l)]. There was statistically significant difference in the diagnostic efficacy between the two ROI types (P < 0.05). CONCLUSIONS CEUS quantitative analysis has a certain value in the diagnosis of benign and malignant breast lesions. The ROI type which depicts local lesions can better reflect the hemodynamic characteristics of the lesions.
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Affiliation(s)
- Jing Li
- Department of Ultrasonics, Affiliated Zhongshan Hospital of Dalian University, No. 6, Jiefang Street, Zhongshan District, Dalian, China; Dalian University, Dalian, China.
| | - Liping Guo
- Department of Ultrasonics, Affiliated Zhongshan Hospital of Dalian University, No. 6, Jiefang Street, Zhongshan District, Dalian, China.
| | - Li Yin
- Department of Ultrasonics, Affiliated Zhongshan Hospital of Dalian University, No. 6, Jiefang Street, Zhongshan District, Dalian, China.
| | - Hong Fang
- Department of Breast Surgery, Affiliated Zhongshan Hospital of Dalian University, No. 6, Jiefang Street, Zhongshan District, Dalian, China.
| | - Wenxiu Ye
- Department of Ultrasonics, Affiliated Zhongshan Hospital of Dalian University, No. 6, Jiefang Street, Zhongshan District, Dalian, China; Dalian University, Dalian, China.
| | - Bingyu Zhao
- Department of Ultrasonics, Affiliated Zhongshan Hospital of Dalian University, No. 6, Jiefang Street, Zhongshan District, Dalian, China.
| | - Yue Liu
- Department of Ultrasonics, Affiliated Zhongshan Hospital of Dalian University, No. 6, Jiefang Street, Zhongshan District, Dalian, China.
| | - Tong Xu
- Department of Ultrasonics, Affiliated Zhongshan Hospital of Dalian University, No. 6, Jiefang Street, Zhongshan District, Dalian, China; Dalian University, Dalian, China.
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Park AY, Seo BK. Up-to-date Doppler techniques for breast tumor vascularity: superb microvascular imaging and contrast-enhanced ultrasound. Ultrasonography 2017; 37:98-106. [PMID: 29025210 PMCID: PMC5885476 DOI: 10.14366/usg.17043] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2017] [Revised: 08/09/2017] [Accepted: 08/19/2017] [Indexed: 12/21/2022] Open
Abstract
Ultrasonographic Doppler techniques have improved greatly over the years, allowing more sophisticated evaluation of breast tumor vascularity. Superb microvascular imaging (SMI) and contrast-enhanced ultrasound (CEUS) with second-generation contrast agents are two representative up-to-date techniques. SMI is a sensitive Doppler technique that adopts an intelligent filter system to separate low-flow signals from artifacts. With the development of second-generation contrast agents, CEUS has also emerged as a useful Doppler technique for evaluating tumor microcirculation. Both techniques can improve the diagnostic performance of gray-scale ultrasonography by providing vascular information useful not only for the morphologic assessment of microvessels, but also for the quantitative analysis of perfusion. In this review, we explain the imaging principles and previous research underlying these two vascular techniques, and describe our clinical experiences.
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Affiliation(s)
- Ah Young Park
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea.,Department of Radiology, CHA Bundang Medical Center, CHA University, Seongnam, Korea
| | - Bo Kyoung Seo
- Department of Radiology, Korea University Ansan Hospital, Korea University College of Medicine, Ansan, Korea
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Ji CL, Li XL, He YP, Li DD, Gu XG, Xu HX. Quantitative parameters of contrast-enhanced ultrasound in breast invasive ductal carcinoma: The correlation with pathological prognostic factors. Clin Hemorheol Microcirc 2017; 66:333-345. [PMID: 28387663 DOI: 10.3233/ch-170251] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Chen-Li Ji
- Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China
- Department of Medical Ultrasound, Shanghai Putuo District Central Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Xiao-Long Li
- Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China
| | - Ya-Ping He
- Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China
| | - Dan-Dan Li
- Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China
| | - Xin-Gang Gu
- Department of Medical Ultrasound, Shanghai Putuo District Central Hospital, Shanghai University of Traditional Chinese Medicine, Shanghai, China
| | - Hui-Xiong Xu
- Department of Medical Ultrasound, Shanghai Tenth People’s Hospital, Ultrasound Research and Education Institute, Tongji University School of Medicine, Shanghai, China
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Ultrasonography methods for predicting malignancy in canine mammary tumors. PLoS One 2017; 12:e0178143. [PMID: 28542533 PMCID: PMC5439728 DOI: 10.1371/journal.pone.0178143] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2017] [Accepted: 05/08/2017] [Indexed: 12/15/2022] Open
Abstract
The aim of this study was to evaluate and compare the efficacy of B-mode, Doppler, contrast-enhanced ultrasonography (CEUS), and Acoustic Radiation Force Impulse (ARFI) elastography in predicting malignancy in canine mammary masses. This was a prospective cohort study from 2014 to 2016, which included 153 bitches with one or more mammary masses. A total of 300 masses were evaluated by ultrasonography (B-mode, Doppler, CEUS, and ARFI) and subsequently classified as benign or malignant by histopathology. Each ultrasound parameters studied were compared between benign and malignant masses by Chi-square or Student tests and differences were considered significant when P < 0.01. For the variables that proved significant differences were estimated the cut-off point, sensitivity, specificity, accuracy, and area under curve (AUC) by receiver-operating characteristic curve (ROC) analysis in a logistic regression model using histopathological classification as reference, to assess and compare diagnostic performance of each technique. Out of 300 mammary masses evaluated 246 were classified as malignant and 54 as benign. B-mode measurements showed sensitivity 67.9%, and specificity 67.6% as malignancy predictors on canine mammary masses; Doppler indexes systolic (>21.2 m/s) and diastolic velocity (>4.8 m/s) sensitivity 79.2% and specificity 70.8%; CEUS wash-out time (<80.5 s) sensitivity 80.2% and specificity 16.7%; and ARFI elastography shear velocity (SWV > 2.57 m/s) sensitivity 94.7% and specificity 97.2% In conclusion B-mode and Doppler ultrasound evaluations may assist in malignancy prediction of canine mammary masses with moderate sensitivity and specificity, already the SWV was an great accurate predictor. Therefore, ARFI elastography exam inclusion in veterinary clinic oncology and research is highly recommended, since it allows fast, non-invasive, and complication-free malignancy prediction of canine mammary masses.
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Faustino-Rocha AI, Gama A, Oliveira PA, Vanderperren K, Saunders JH, Pires MJ, Ferreira R, Ginja M. Modulation of mammary tumor vascularization by mast cells: Ultrasonographic and histopathological approaches. Life Sci 2017; 176:35-41. [PMID: 28336398 DOI: 10.1016/j.lfs.2017.03.013] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 03/07/2017] [Accepted: 03/19/2017] [Indexed: 02/07/2023]
Abstract
AIMS The inhibition of mast cells' degranulation may be an approach to prevent the formation of new vessels during the mammary carcinogenesis. MATERIALS AND METHODS Female Sprague-Dawley rats were randomly divided into five experimental groups. Mammary tumors were induced by intraperitoneal injection of N-methyl-N-nitrosourea (MNU). Animals from group II were treated with ketotifen for 18weeks immediately after the MNU administration, while animals from group III only received the ketotifen after the development of the first mammary tumor. Mammary tumors vascularization was assessed by ultrasonography (Doppler, B Flow and contrast-enhanced ultrasound) and immunohistochemistry (vascular endothelial growth factor-A). KEY FINDINGS AND SIGNIFICANCE Similar to what occurs in women with breast cancer, the majority of MNU-induced mammary tumors exhibited a centripetal enhancement order of the contrast agent, clear margin and heterogeneous enhancement. Ultrasonographic and immunohistochemical data suggest that the inhibition of mast cells' degranulation did not change the mammary tumors vascularization.
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Affiliation(s)
- Ana I Faustino-Rocha
- Faculty of Veterinary Medicine, Lusophone University of Humanities and Technologies, Lisbon, Portugal; Center for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal.
| | - Adelina Gama
- Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences, UTAD, 5001-911 Vila Real, Portugal; Animal and Veterinary Research Center (CECAV), School of Agrarian and Veterinary Sciences, UTAD, 5001-911 Vila Real, Portugal
| | - Paula A Oliveira
- Center for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences, UTAD, 5001-911 Vila Real, Portugal
| | - Katrien Vanderperren
- Department of Veterinary Medical Imaging and Small Animal Orthopedics, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Jimmy H Saunders
- Department of Veterinary Medical Imaging and Small Animal Orthopedics, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - Maria J Pires
- Center for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences, UTAD, 5001-911 Vila Real, Portugal
| | - Rita Ferreira
- Organic Chemistry, Natural Products and Foodstuffs (QOPNA), Mass Spectrometry Center, Department of Chemistry, University of Aveiro, 3810-193 Aveiro, Portugal
| | - Mário Ginja
- Center for the Research and Technology of Agro-Environmental and Biological Sciences (CITAB), University of Trás-os-Montes and Alto Douro (UTAD), Vila Real, Portugal; Department of Veterinary Sciences, School of Agrarian and Veterinary Sciences, UTAD, 5001-911 Vila Real, Portugal
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Xue H, Ge HY, Miao LY, Wang SM, Zhao B, Wang JR, Cui LG. Differential diagnosis of gastric cancer and gastritis: the role of contrast-enhanced ultrasound (CEUS). Abdom Radiol (NY) 2017; 42:802-809. [PMID: 27761613 DOI: 10.1007/s00261-016-0952-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
OBJECTIVES To evaluate the diagnostic performance of contrast-enhanced ultrasound (CEUS) in differential diagnosis of gastric cancer and gastritis, with histological results as reference standard. METHODS From September 2011 to August 2014, 82 patients (50 males and 32 females; mean age ± SD, 59.5 ± 15.0 years; range 19-91 years) with gastric cancer or gastritis were included in this Ethics Committee-approved prospective study. Conventional ultrasonography (US) and CEUS were applied to distinguish the two lesions, and both qualitative and quantitative features were evaluated. RESULTS Of the 82 histopathologic-proven lesions, 58 were cancer and 24 were gastritis. For US, the gastric wall stratification was not preserved in about one-third of cancer (21/58, 36.2%) compared with gastritis (0/24, 0%) (p < 0.001). Blurred, angular, or spiculated serosa margin and increased echogenicity in perigastric fat appeared only in cancer (10/58, 17.2%), and all of them proved to be pathologic T3 or T4 stage. On CEUS, gastric cancer usually manifested as diffused enhancement without comb-teeth-like vessels (parallel curvilinear structures representing arterial branching within the gastric wall) (56/58, 96.6%), while these vessels presented in most gastritis (19/24, 79.2%, p < 0.001). For quantitative analysis, the malignant lesions showed later and lower enhancement (p < 0.001), and they also had slower speed to reach the peak intensity (p < 0.001). On CEUS, the absence of comb-teeth-like vessel is most reliable for diagnosing malignancy, and the sensitivity, specificity, and accuracy were 96.5%, 79.2%, and 91.5%, respectively. CONCLUSIONS Our results demonstrated the usefulness and accuracy of US and CEUS in differential diagnosis of gastric cancer and gastritis. CEUS has the potential to make the diagnosis more accurate.
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Xiao X, Dong L, Jiang Q, Guan X, Wu H, Luo B. Incorporating Contrast-Enhanced Ultrasound into the BI-RADS Scoring System Improves Accuracy in Breast Tumor Diagnosis: A Preliminary Study in China. ULTRASOUND IN MEDICINE & BIOLOGY 2016; 42:2630-2638. [PMID: 27544439 DOI: 10.1016/j.ultrasmedbio.2016.07.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/09/2015] [Revised: 06/02/2016] [Accepted: 07/06/2016] [Indexed: 06/06/2023]
Abstract
The aim of the study was to develop a scoring model incorporating the Breast Imaging Reporting and Data System (BI-RADS) and the contrast-enhanced ultrasound (CEUS) scoring system to differentiate between malignant and benign breast lesions. A total of 524 solid breast masses in 490 consecutive patients were evaluated with conventional US and CEUS in this prospective study. Each lesion was scored according to BI-RADS, CEUS, and CEUS-rerated BI-RADS. The diagnostic specificity, sensitivity and accuracy of BI-RADS were 77.9%, 88.9% and 84.0%, respectively, and the area under the receiver operating characteristic curve was 0.834. The corresponding values for rerated BI-RADS were 82.1%, 96.9%, 90.3% and 0.895. The area under the receiver operating characteristic curve of BI-RADS alone was significantly smaller than that of CEUS and the rerated BI-RADS (p = 0.008 compared with CEUS, p = 0.002 compared with rerated BI-RADS). This study indicates that rerating BI-RADS with the CEUS scoring system improves its diagnostic accuracy.
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Affiliation(s)
- Xiaoyun Xiao
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Licong Dong
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qiongchao Jiang
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiaofeng Guan
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Huan Wu
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Baoming Luo
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China.
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Xiao X, Jiang Q, Wu H, Guan X, Qin W, Luo B. Diagnosis of sub-centimetre breast lesions: combining BI-RADS-US with strain elastography and contrast-enhanced ultrasound—a preliminary study in China. Eur Radiol 2016; 27:2443-2450. [DOI: 10.1007/s00330-016-4628-4] [Citation(s) in RCA: 42] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Revised: 09/27/2016] [Accepted: 09/29/2016] [Indexed: 12/21/2022]
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Ma X, Liu R, Zhu C, Zhang J, Ling W. Diagnostic Value of Contrast-Enhanced Sonography for Differentiation of Breast Lesions: A Meta-analysis. JOURNAL OF ULTRASOUND IN MEDICINE : OFFICIAL JOURNAL OF THE AMERICAN INSTITUTE OF ULTRASOUND IN MEDICINE 2016; 35:2095-2102. [PMID: 27503752 DOI: 10.7863/ultra.15.10005] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/05/2015] [Accepted: 12/30/2015] [Indexed: 06/06/2023]
Abstract
OBJECTIVES The purpose of this study was to systematically review and evaluate the diagnostic accuracy of contrast-enhanced sonography in the differential diagnosis of benign and malignant breast lesions. METHODS The scientific literature databases PubMed and Embase were comprehensively searched for relevant studies before January 2015. Data were pooled to yield the summary sensitivity, specificity, and diagnostic odds ratio using meta-analysis software. RESULTS A total of 29 studies with 2296 lesions were included in the analysis. The pooled sensitivity and specificity were 0.88 (95% confidence interval [CI], 0.86-0.90; inconsistency index [I(2)] = 77.9%) and 0.80 (95% CI, 0.78-0.83; I(2) = 84.0%), respectively. The pooled diagnostic odds ratio was 30.35 (95% CI, 15.75-58.48; I(2)= 82.1%), and the area under the summary receiver operating characteristic curve was 0.9115 (SE, 0.0243). CONCLUSIONS The comprehensive results suggest that contrast-enhanced sonography could be a potentially effective method for differential diagnosis of benign and malignant breast lesions.
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Affiliation(s)
- Xuelei Ma
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China, Department of Oncology, West China Hospital, Sichuan University, Chengdu, China, Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Rongjun Liu
- West China School of Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Chenjing Zhu
- State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, Chengdu, China, Collaborative Innovation Center for Biotherapy, Chengdu, China
| | - Jing Zhang
- West China School of Medicine, West China Hospital, Sichuan University, Chengdu, China
| | - Wenwu Ling
- Department of Ultrasound, West China Hospital, Sichuan University, Chengdu, China
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Xiao XY, Chen X, Guan XF, Wu H, Qin W, Luo BM. Superb microvascular imaging in diagnosis of breast lesions: a comparative study with contrast-enhanced ultrasonographic microvascular imaging. Br J Radiol 2016; 89:20160546. [PMID: 27529640 DOI: 10.1259/bjr.20160546] [Citation(s) in RCA: 86] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
OBJECTIVE To evaluate the diagnostic performance of superb microvascular imaging (SMI) in breast lesions, comparing with contrast-enhanced ultrasonographic microvascular imaging (MVI). METHODS From April to November 2015, 132 patients (with 132 breast lesions) were enrolled in the retrospective study. All lesions were evaluated with colour Doppler flow imaging (CDFI), colour SMI (cSMI), monochrome SMI (mSMI) and contrast-enhanced ultrasonographic MVI. Receiver-operating characteristic curve analysis was performed to compare the diagnostic performance of SMI and MVI for discrimination between benign and malignant breast lesions. RESULTS Histological analysis showed 58 malignant and 74 benign lesions. mSMI was more sensitive in detecting blood flow signals in breast lesions than CDFI (p < 0.001) and cSMI (p < 0.001). Differences of vessels inside breast lesions and morphologic features of vessels between benign and malignant lesions were statistically significant on mSMI (p < 0.001). Using root hair-like and crab claw-like patterns as the criteria for malignant lesions, the sensitivity, specificity and accuracy for differentiation based on the microvascular architecture patterns were 77.6, 90.5 and 84.8% for mSMI and 89.6, 87.8 and 88.6% for MVI. Areas under curve of mSMI and MVI were not significantly different (p = 0.129). CONCLUSION mSMI can increase blood flow detection and depict the microvascular architecture of breast lesions. The diagnostic performance of mSMI was not significantly different from MVI. SMI has potential in the differential diagnosis of breast lesions. ADVANCES IN KNOWLEDGE mSMI is a non-invasive technique for vascularity evaluation of breast tumours and it is beneficial for breast tumour differentiation.
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Affiliation(s)
- Xiao-Yun Xiao
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xin Chen
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Xiao-Feng Guan
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Huan Wu
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wei Qin
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Bao-Ming Luo
- Department of Ultrasound, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
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Eisenbrey JR, Dave JK, Forsberg F. Recent technological advancements in breast ultrasound. ULTRASONICS 2016; 70:183-190. [PMID: 27179143 DOI: 10.1016/j.ultras.2016.04.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 04/20/2016] [Accepted: 04/24/2016] [Indexed: 06/05/2023]
Abstract
Ultrasound is becoming increasingly common as an imaging tool for the detection and characterization of breast tumors. This paper provides an overview of recent technological advancements, especially those that may have an impact in clinical applications in the field of breast ultrasound in the near future. These advancements include close to 100% fractional bandwidth high frequency (5-18MHz) 2D and 3D arrays, automated breast imaging systems to minimize the operator dependence and advanced processing techniques, such as those used for detection of microcalcifications. In addition, elastography and contrast-enhanced ultrasound examinations that are expected to further enhance the clinical importance of ultrasound based breast tumor screening are briefly reviewed. These techniques have shown initial promise in clinical trials and may translate to more comprehensive clinical adoption in the future.
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Affiliation(s)
- John R Eisenbrey
- Thomas Jefferson University, Department of Radiology, Division of Ultrasound, 132 South 10th St., Philadelphia, PA 19107, United States.
| | - Jaydev K Dave
- Thomas Jefferson University, Department of Radiology, Division of Ultrasound, 132 South 10th St., Philadelphia, PA 19107, United States
| | - Flemming Forsberg
- Thomas Jefferson University, Department of Radiology, Division of Ultrasound, 132 South 10th St., Philadelphia, PA 19107, United States
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Turco S, Wijkstra H, Mischi M. Mathematical Models of Contrast Transport Kinetics for Cancer Diagnostic Imaging: A Review. IEEE Rev Biomed Eng 2016; 9:121-47. [PMID: 27337725 DOI: 10.1109/rbme.2016.2583541] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
Angiogenesis plays a fundamental role in cancer growth and the formation of metastasis. Novel cancer therapies aimed at inhibiting angiogenic processes and/or disrupting angiogenic tumor vasculature are currently being developed and clinically tested. The need for earlier and improved cancer diagnosis, and for early evaluation and monitoring of therapeutic response to angiogenic treatment, have led to the development of several imaging methods for in vivo noninvasive assessment of angiogenesis. The combination of dynamic contrast-enhanced imaging with mathematical modeling of the contrast agent kinetics enables quantitative assessment of the structural and functional changes in the microvasculature that are associated with tumor angiogenesis. In this paper, we review quantitative imaging of angiogenesis with dynamic contrast-enhanced magnetic resonance imaging, computed tomography, and ultrasound.
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Wang YM, Fan W, Zhang K, Zhang L, Tan Z, Ma R. Comparison of transducers with different frequencies in breast contrast-enhanced ultrasound (CEUS) using SonoVue as contrast agent. Br J Radiol 2016; 89:20151050. [PMID: 27143439 DOI: 10.1259/bjr.20151050] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
OBJECTIVE To explore the effectiveness of different transducers in breast contrast-enhanced ultrasound (CEUS) using SonoVue(®) (Bracco, Plan-Les-Ouates, Switzerland) as the contrast agent. METHODS Breast CEUS was performed in 51 patients with 51 breast lesions using a low-frequency transducer (probe C5-1) and a high-frequency transducer (probe L12-5) separately. All image processes were reviewed for the presence of local blood perfusion defects and surrounding vessels. McNemar's test was conducted to compare the detection effectiveness between these two transducers. RESULTS Pathological results revealed 38 malignant and 13 benign lesions. The two transducers showed no difference in detecting benign lesions. Among malignant lesions, CEUS conducted by probe C5-1 (frequency range from 1 to 5 MHz) presented 23 (60.5%) lesions with local blood perfusion defects and 26 (68.4%) lesions with surrounding vessels. Meanwhile, probe L12-5 (frequency range from 5 to 12 MHz) showed only 12 (31.6%) lesions with local blood perfusion defects and 12 (31.6%) lesions with surrounding vessel. Probe C5-1 was more sensitive than probe L12-5 in detecting malignant CEUS characteristics (p-value < 0.05). CONCLUSION The low-frequency transducer was more sensitive than the high-frequency transducer in breast CEUS using SonoVue as the contrast agent. A new contrast agent with a higher resonance frequency, specially designed for high-frequency transducers, may be helpful in improving the clinical value of breast CEUS. ADVANCES IN KNOWLEDGE The first study comparing different frequency transducers in breast CEUS of the same patient lesions. We brought out the requirement for CEUS contrast agents which are more suitable for high-frequency examinations.
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Affiliation(s)
- Yong-Mei Wang
- 1 Department of Breast Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Wei Fan
- 2 Department of Gastroenterology, Qilu Hospital of Shandong University, Jinan, China
| | - Kai Zhang
- 1 Department of Breast Surgery, Qilu Hospital of Shandong University, Jinan, China
| | - Li Zhang
- 3 Department of Health Care Ultrasound, Qilu Hospital of Shandong University, Jinan, China
| | - Zhen Tan
- 4 Department of Health Science Technology and Management, Stony Brook University, Stony Brook, NY, USA
| | - Rong Ma
- 1 Department of Breast Surgery, Qilu Hospital of Shandong University, Jinan, China
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