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Contrast enhanced mammography

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https://www.readbyqxmd.com/read/27901596/magnetic-resonance-imaging-in-the-pre-surgical-staging-of-breast-cancer-our-experience
#1
Paola Rabasco, Rocchina Caivano, Giuseppina Dinardo, Matilde Gioioso, Antonella Lotumolo, Giancarlo Iannelli, Antonio Villonio, Giuseppe La Torre, Stefano D'Errico, Luca Macarini, Giuseppe Guglielmi, Aldo Cammarota
PURPOSE: To investigate the clinical impact of magnetic resonance imaging (MRI) in the detection of multifocal-multicentric breast cancers, already identified by mammography and ultrasound, and analyzed histologically, to evaluate its role in preoperative staging. MATERIALS AND METHODS: From January 2012 to February 2014, 188 patients, aged 28 to 74 years, newly diagnosed with breast cancer on conventional imaging (mammography and ultrasound) were enrolled. They underwent preoperative contrast-enhanced 3T MRI...
November 30, 2016: Cancer Investigation
https://www.readbyqxmd.com/read/27896471/contrast-enhanced-spectral-mammography-vs-mammography-and-mri-clinical-performance-in-a-multi-reader-evaluation
#2
Eva M Fallenberg, Florian F Schmitzberger, Heba Amer, Barbara Ingold-Heppner, Corinne Balleyguier, Felix Diekmann, Florian Engelken, Ritse M Mann, Diane M Renz, Ulrich Bick, Bernd Hamm, Clarisse Dromain
OBJECTIVES: To compare the diagnostic performance of contrast-enhanced spectral mammography (CESM) to digital mammography (MG) and magnetic resonance imaging (MRI) in a prospective two-centre, multi-reader study. METHODS: One hundred seventy-eight women (mean age 53 years) with invasive breast cancer and/or DCIS were included after ethics board approval. MG, CESM and CESM + MG were evaluated by three blinded radiologists based on amended ACR BI-RADS criteria...
November 28, 2016: European Radiology
https://www.readbyqxmd.com/read/27875762/review-of-clinical-studies-and-first-clinical-experiences-with-a-commercially-available-cone-beam-breast-ct-in-europe
#3
REVIEW
Susanne Wienbeck, Joachim Lotz, Uwe Fischer
The dedicated cone-beam breast computed tomography (CBBCT) is a new and promising imaging modality which provides isotropic, 3D images of the breast with high spatial and contrast resolution. Non-contrast and contrast-enhanced CBBCT (CE-CBBCT) was superior to mammography for the visualization of breast masses, especially in patients with dense breast tissue. CE-CBBCT accurately detects DCIS and distinguishes it from benign causes of microcalcifications when compared with non-contrast CBBCT and mammography. The purpose of this report is to describe the technology and its possible indications, and to present the first results from recent clinical studies, illustrating these with our own image examples...
November 17, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27854006/mammography-an-update-of-the-eusobi-recommendations-on-information-for-women
#4
Francesco Sardanelli, Eva M Fallenberg, Paola Clauser, Rubina M Trimboli, Julia Camps-Herrero, Thomas H Helbich, Gabor Forrai
: This article summarises the information to be offered to women about mammography. After a delineation of the aim of early diagnosis of breast cancer, the difference between screening mammography and diagnostic mammography is explained. The need to bring images and reports from the previous mammogram (and from other recent breast imaging examinations) is highlighted. Mammography technique and procedure are described with particular attention to discomfort and pain experienced by a small number of women who undergo the test...
November 16, 2016: Insights Into Imaging
https://www.readbyqxmd.com/read/27853497/imaging-findings-in-patients-with-granulomatous-mastitis
#5
Pelin Seher Oztekin, Gamze Durhan, Pinar Nercis Kosar, Serap Erel, Sema Hucumenoglu
BACKGROUND: Granulomatous mastitis (GM) is a rare inflammatory breast disease that may mimic the clinical characteristics and radiologic imaging findings of breast carcinoma. Considering the importance of making a correct diagnosis, careful radiologic evaluations and recognition of imaging features are necessary. OBJECTIVES: The aim of this study was to review the radiological findings and diagnostic value of the imaging in GM. PATIENTS AND METHODS: This retrospective study involved a total of 29 patients who were diagnosed with GM between 2009 and 2013 and who underwent mammography (MG) and/or ultrasound (US) examination in addition to magnetic resonance imaging (MRI) before diagnosis...
July 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27853496/a-case-of-a-concurrent-and-co-located-invasive-carcinoma-and-a-fibroadenoma-to-illustrate-the-potential-of-dual-energy-contrast-enhanced-digital-mammography-on-the-diagnosis-of-complex-breast-lesions
#6
Maria Del Mar Travieso Aja, Purificacion Munoz, Mario Rodriguez Rodriguez, Victor Vega Benitez, Octavio P Luzardo
Up to 19% of breast malignancies may be missed by conventional imaging techniques, especially when they are concurrent or co-located with other benign lesions. However, more sensitive techniques, such as magnetic resonance imaging (MRI), are often too expensive for routine use in developing countries. Contrast-enhanced, dual-energy digital mammography (CESM) is a recently introduced imaging modality whose performance has been reported to be similar to that of MRI. Being much cheaper, CESM may constitute a good alternative for improving diagnostic sensitivity in these countries...
July 2016: Iranian Journal of Radiology: a Quarterly Journal Published By the Iranian Radiological Society
https://www.readbyqxmd.com/read/27842678/diagnostic-efficacy-and-safety-of-gadoteric-acid-mr-mammography-in-1537-patients
#7
Tim Seithe, Joachim Braun, Michael Wolf, Janis Vahldiek, Dajana Wolny, Jonas Auer, Joanna Pociej, Oliver Heine, Bernd Hamm, Maximilian de Bucourt
OBJECTIVES: To perform a large-scale multicenter post-marketing surveillance study for analyzing diagnostic effectiveness and safety of intravenous (IV) gadoteric acid (Dotarem(®)) in magnetic resonance (MR) mammography under daily practice conditions. MATERIALS AND METHODS: Patients underwent high-resolution MR mammography with gadoteric acid in 15 German centers. Radiologists used a standardized questionnaire to report data including patient demographics and medical history, characteristics of MR examination and results in terms of diagnosis and safety for the patient...
December 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27788035/mr-imaging-for-diagnosis-of-malignancy-in-mammographic-microcalcifications-a-systematic-review-and-meta-analysis
#8
Barbara Bennani-Baiti, Pascal A Baltzer
Purpose To assess the use of magnetic resonance (MR) imaging for diagnosis of malignancy in lesions that manifest as microcalcifications at mammography. Materials and Methods Two independent readers performed a systematic review of the literature published as of February 1, 2016, by using predefined search terms. All studies in which contrast material-enhanced MR imaging was used for assessment of mammographic microcalcifications that were assigned Breast Imaging Reporting and Data System (BI-RADS) scores of 3-5 were deemed eligible...
October 27, 2016: Radiology
https://www.readbyqxmd.com/read/27773458/contrast-enhanced-spectral-mammography-technique-indications-and-clinical-applications
#9
Chandni Bhimani, Danielle Matta, Robyn G Roth, Lydia Liao, Elizabeth Tinney, Kristin Brill, Pauline Germaine
RATIONALE AND OBJECTIVES: Contrast-enhanced spectral mammography (CESM) combines the benefits of full field digital mammography with the concept of tumor angiogenesis. Technique and practical applications of CESM are discussed. MATERIALS AND METHODS: An overview of the technique is followed by a demonstration of practical applications of CESM in our practice. RESULTS: We have successfully implemented CESM into our practice as a screening, diagnostic, staging, and treatment response tool...
October 20, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27768681/degree-of-enhancement-on-contrast-enhanced-spectral-mammography-cesm-and-lesion-type-on-mammography-mg-comparison-based-on-histological-results
#10
Elżbieta Łuczyńska, Joanna Niemiec, Edward Hendrick, Sylwia Heinze, Janusz Jaszczyński, Jerzy Jakubowicz, Beata Sas-Korczyńska, Janusz Rys
BACKGROUND Contrast enhanced spectral mammography (CESM) is a new method of breast cancer diagnosis in which an iodinated contrast agent is injected and dual-energy mammography is obtained in multiple views of the breasts. The aim of this study was to compare the degree of enhancement on CESM with lesion characteristics on mammography (MG) and lesion histology in women with suspicious breast lesions. MATERIAL AND METHODS The degree of enhancement on CESM (absent, weak, medium, or strong) was compared to lesion characteristics on MG (mass, mass with microcalcifications, or microcalcifications alone) and histology (infiltrating carcinoma, intraductal carcinoma, or benign) to compare sensitivity of the two modalities and to establish correlations that might improve diagnostic accuracy...
October 21, 2016: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/27765597/contrast-enhanced-spectral-mammography-modality-specific-artifacts-and-other-factors-which-may-interfere-with-image-quality
#11
Chandni Bhimani, Luna Li, Lydia Liao, Robyn G Roth, Elizabeth Tinney, Pauline Germaine
RATIONALE AND OBJECTIVES: Contrast-enhanced spectral mammography (CESM) uses full field digital mammography with the added benefit of intravenous contrast administration to significantly reduce false-positive and false-negative results and improve specificity while maintaining high sensitivity. For CESM to fulfill its purpose, one should be aware of possible artifacts and other factors which may interfere with image quality, and attention should be taken to minimize these factors. MATERIALS AND METHODS: This pictorial demonstration will depict types of artifacts detected and other factors that interfere with image acquisition in our practice since CESM implementation...
October 17, 2016: Academic Radiology
https://www.readbyqxmd.com/read/27727117/cone-beam-micro-computed-tomography-dedicated-to-the-breast
#12
Antonio Sarno, Giovanni Mettivier, Francesca Di Lillo, Mario Cesarelli, Paolo Bifulco, Paolo Russo
We developed a scanner for micro computed tomography dedicated to the breast (BµCT) with a high resolution flat-panel detector and a microfocus X-ray tube. We evaluated the system spatial resolution via the 3D modulation transfer function (MTF). In addition to conventional absorption-based X-ray imaging, such a prototype showed capabilities for propagation-based phase-contrast and related edge enhancement effects in 3D imaging. The system limiting spatial resolution is 6.2mm(-1) (MTF at 10%) in the vertical direction and 3...
October 7, 2016: Medical Engineering & Physics
https://www.readbyqxmd.com/read/27696576/contrast-enhanced-digital-mammography-a-single-institution-experience-of-the-first-208-cases
#13
Tiffany C Lewis, Victor J Pizzitola, Marina E Giurescu, William G Eversman, Roxanne Lorans, Kristin A Robinson, Bhavika K Patel
Contrast-enhanced digital mammography (CEDM) is the only imaging modality that provides both (a) a high-resolution, low-energy image comparable to that of digital mammography and (b) a contrast-enhanced image similar to that of magnetic resonance imaging. We report the initial 208 CEDM examinations performed for various clinical indications and provide illustrative case examples. Given its success in recent studies and our experience of CEDM primarily as a diagnostic adjunct, CEDM can potentially improve breast cancer detection by combining the low-cost conclusions of screening mammography with the high sensitivity of magnetic resonance imaging...
October 2, 2016: Breast Journal
https://www.readbyqxmd.com/read/27687829/contrast-enhanced-spectral-mammography-cesm-versus-breast-magnetic-resonance-imaging-mri-a-retrospective-comparison-in-66-breast-lesions
#14
L Li, R Roth, P Germaine, S Ren, M Lee, K Hunter, E Tinney, L Liao
OBJECTIVE: The purpose of this study was to retrospectively compare the diagnostic performance of contrast-enhanced spectral mammography (CESM) with that of breast magnetic resonance imaging (BMRI) in breast cancer detection using parameters, including sensitivity, positive predictive value (PPV), lesion size, morphology, lesion and background enhancement, and examination time. MATERIALS AND METHODS: A total of 48 women (mean age, 56years±10.6 [SD]) with breast lesions detected between October 2012 and March 2014 were included...
September 26, 2016: Diagnostic and Interventional Imaging
https://www.readbyqxmd.com/read/27638679/contrast-enhanced-digital-mammography-in-the-surgical-management-of-breast-cancer
#15
Mariam Ali-Mucheru, Barbara Pockaj, Bhavika Patel, Victor Pizzitola, Nabil Wasif, Chee-Chee Stucky, Richard Gray
BACKGROUND: Contrast-enhanced digital mammography (CEDM) is a new breast imaging technique. The role of CEDM in the surgical management of breast cancer has not yet been characterized. METHODS: A retrospective review of prospective breast surgery and breast imaging databases for patients who underwent CEDM and had breast cancer surgery. RESULTS: A total of 351 patients had CEDM; 128 had malignant lesions, and 101 of these underwent surgery with 105 malignancies identified...
September 15, 2016: Annals of Surgical Oncology
https://www.readbyqxmd.com/read/27618803/sensitivity-of-breast-mri-for-ductal-carcinoma-in-situ-appearing-as-microcalcifications-only-on-mammography
#16
Pierluigi Rinaldi, Chiara Buccheri, Michela Giuliani, Enida Bufi, Maurizio Romani, Federica Patrolecco, Paolo Belli, Lorenzo Bonomo
PURPOSE: This study aims to investigate sensitivity of breast magnetic resonance imaging (MRI) for mammographic microcalcifications-only ductal carcinoma in situ (DCIS), based on its histopathology and mammographic extent of microcalcifications. METHODS: Mammograms were reviewed to measure the extent of microcalcifications. Sensitivity of MRI was calculated in the overall study population and in groups differing for DCIS nuclear grade, microinvasivity, and microcalcifications' extent...
August 6, 2016: Clinical Imaging
https://www.readbyqxmd.com/read/27611215/dual-energy-contrast-enhanced-spectral-mammography-enhancement-analysis-on-bi-rads-4-non-mass-microcalcifications-in-screened-women
#17
Yun-Chung Cheung, Yu-Hsiang Juan, Yu-Ching Lin, Yung-Feng Lo, Hsiu-Pei Tsai, Shir-Hwa Ueng, Shin-Cheh Chen
BACKGROUND: Mammography screening is a cost-efficient modality with high sensitivity for detecting impalpable cancer with microcalcifications, and results in reduced mortality rates. However, the probability of finding microcalcifications without associated cancerous masses varies. We retrospectively evaluated the diagnosis and cancer probability of the non-mass screened microcalcifications by dual-energy contrast-enhanced spectral mammography (DE-CESM). PATIENTS AND METHODS: With ethical approval from our hospital, we enrolled the cases of DE-CESM for analysis under the following inclusion criteria: (1) referrals due to screened BI-RADS 4 microcalcifications; (2) having DE-CESM prior to stereotactic biopsy; (3) no associated mass found by sonography and physical examination; and (4) pathology-based diagnosis using stereotactic vacuum-assisted breast biopsy...
2016: PloS One
https://www.readbyqxmd.com/read/27610397/coherent-scatter-imaging-monte-carlo-simulation
#18
Laila Hassan, Carolyn A MacDonald
Conventional mammography can suffer from poor contrast between healthy and cancerous tissues due to the small difference in attenuation properties. Coherent scatter slot scan imaging is an imaging technique which provides additional information and is compatible with conventional mammography. A Monte Carlo simulation of coherent scatter slot scan imaging was performed to assess its performance and provide system optimization. Coherent scatter could be exploited using a system similar to conventional slot scan mammography system with antiscatter grids tilted at the characteristic angle of cancerous tissues...
July 2016: Journal of Medical Imaging
https://www.readbyqxmd.com/read/27600118/-diagnostic-imaging-of-breast-cancer-an-update
#19
M Funke
Advances in imaging of the female breast have substantially influenced the diagnosis and probably also the therapy and prognosis of breast cancer in the past few years. This article gives an overview of the most important imaging modalities in the diagnosis of breast cancer. Digital mammography is considered to be the gold standard for the early detection of breast cancer. Digital breast tomosynthesis can increase the diagnostic accuracy of mammography and is used for the assessment of equivocal or suspicious mammography findings...
October 2016: Der Radiologe
https://www.readbyqxmd.com/read/27486086/in-line-phase-contrast-breast-tomosynthesis-a-phantom-feasibility-study-at-a-synchrotron-radiation-facility
#20
K Bliznakova, P Russo, Z Kamarianakis, G Mettivier, H Requardt, A Bravin, I Buliev
The major objective is to adopt, apply and test developed in-house algorithms for volumetric breast reconstructions from projection images, obtained in in-line phase-contrast mode. Four angular sets, each consisting of 17 projection images obtained from four physical phantoms, were acquired at beamline ID17, European Synchroton Radiation Facility, Grenoble, France. The tomosynthesis arc was  ±32°. The physical phantoms differed in complexity of texture and introduced features of interest. Three of the used phantoms were in-house developed, and made of epoxy resin, polymethyl-methacrylate and paraffin wax, while the fourth phantom was the CIRS BR3D...
August 21, 2016: Physics in Medicine and Biology
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