نتایج جستجو برای: breast magnetic resonance

تعداد نتایج: 643941  

Journal: :Breast cancer 2012
Richard G Abramson Lori R Arlinghaus Jared A Weis Xia Li Adrienne N Dula Eduard Y Chekmenev Seth A Smith Michael I Miga Vandana G Abramson Thomas E Yankeelov

Reliable early assessment of breast cancer response to neoadjuvant therapy (NAT) would provide considerable benefit to patient care and ongoing research efforts, and demand for accurate and noninvasive early-response biomarkers is likely to increase. Response assessment techniques derived from quantitative magnetic resonance imaging (MRI) hold great potential for integration into treatment algo...

Journal: :Annals of palliative medicine 2021

Background: To investigate the value of 18F-fluorodeoxyglucose positron emission tomography/magnetic resonance imaging (18F-FDG PET/MRI) in diagnosing local tumor invasion (T stage), evaluating regional lymph node involvement (N and detecting distant metastasis (M stage) breast cancer patients.

2013
Demitrios Tzias Elizabeth AM O’Flynn Steven D Allen Robin M Wilson

despite extensive research into new ways of imaging the breast x-ray mammography and breast ultrasound, supplemented where necessary by magnetic resonance imaging, remain the techniques used for the vast majority of breast imaging for screening and the assessment of symptomatic breast problems. Recent advances in these technologies mean that these three techniques are highly effective for both ...

Journal: :Radiologia 2011
A Vega Bolívar

Imaging-guided percutaneous biopsy techniques have been developed to diagnose the lesions detected in breast cancer screening programs based on mammography. Although traditional fine-needle aspiration cytology continues to be indicated in some cases, in many others it has been supplanted by more modern techniques like core biopsy or vacuum-assisted biopsy guided by ultrasonography, stereotaxy, ...

Journal: :Medical physics 2013
Paul M Meaney Amir H Golnabi Neil R Epstein Shireen D Geimer Margaret W Fanning John B Weaver Keith D Paulsen

PURPOSE Breast magnetic resonance imaging is highly sensitive but not very specific for the detection of breast cancer. Opportunities exist to supplement the image acquisition with a more specific modality provided the technical challenges of meeting space limitations inside the bore, restricted breast access, and electromagnetic compatibility requirements can be overcome. Magnetic resonance (M...

2013
D. Janaki Sathya K. Geetha

This paper introduces a comparison of two popular clustering algorithms for breast DCE-MRI segmentation purpose. Magnetic resonance imaging (MRI) is an advanced medical imaging technique providing rich information about the human soft tissue anatomy. The goal of breast magnetic resonance image segmentation is to accurately identify the principal mass or lesion structures in these image volumes....

2015
Eleonora Cucci Angela Santoro Cinzia Di Gesù Renato Di Cerce Giuseppina Sallustio

BACKGROUND Sclerosing adenosis is a benign, usually asymptomatic lobulocentric proliferative process that involves both the epithelial and the mesenchymal component of the breast. It is commonly an incidental finding in perimenopausal women undergoing screening mammography. CASE REPORT We reported on two patients with sclerosing adenosis assessed with mammography, ultrasound, and contrast-enh...

Journal: :Radiologic clinics of North America 2014
R Edward Hendrick

Breast magnetic resonance imaging (MRI) demands the competing factors of high spatial resolution, good temporal resolution, high signal-to-noise ratios, and complete bilateral breast coverage. Achieving these competing factors requires modern MRI equipment with high magnetic field strength and homogeneity, high maximum gradient strength with short rise times, dedicated multichannel bilateral br...

Journal: :journal of ai and data mining 2013
s. arastehfar ali a. pouyan a. jalalian

in this paper, a novel decision based median (dbm) filter for enhancing mr images has been proposed. the method is based on eliminating impulse noise from mr images. a median-based method to remove impulse noise from digital mr images has been developed. each pixel is leveled from black to white like gray-level. the method is adjusted in order to decide whether the median operation can be appli...

Journal: :journal of cardio-thoracic medicine 0
giordano rafael tronco alves junior researcher, post-graduation program in medicine (radiology) at the federal university of rio de janeiro, 21941-901, rio de janeiro, brazil natália henz concatto assistant physician, division of radiology, general hospital at the university of caxias do sul, 95070-560, caxias do sul, brazil deborah harrington cardiac surgeon and consultant radiologists, department of cardiac surgery and department of radiology, liverpool heart and chest hospital nhs foundation trust, liverpool, l14 3pe, liverpool, united kingdom caroline mccann cardiac surgeon and consultant radiologists, department of cardiac surgery and department of radiology, liverpool heart and chest hospital nhs foundation trust, liverpool, l14 3pe, liverpool, united kingdom bruno hochhegger radiologist, department of radiology, federal university of health sciences of porto alegre, 90020-090, porto alegre, brazil klaus irion cardiac surgeon and consultant radiologists, department of cardiac surgery and department of radiology, liverpool heart and chest hospital nhs foundation trust, liverpool, l14 3pe, liverpool, united kingdom

brachial plexus injury (bpi) is an uncommon complication of median sternotomy capable of causing a permanent or transitory sensitivity and/or motor function impairment in the upper limbs. during a cardiac surgery through sternotomy, for the assessment of the thoracic cage configuration and the site of mediastinal structures, a broader surgical field may be required. if the sternal retractors ar...

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