نتایج جستجو برای: breast imaging

تعداد نتایج: 692338  

Journal: :Journal of nuclear medicine technology 2012
Jennifer Prekeges

Breast cancer has long been a significant cause of morbidity and mortality. Mammography is the first-line imaging examination used to detect breast cancer; it has high sensitivity but only moderate specificity. The currently used secondary imaging modalities, sonography and MRI, cannot weed out all the false-positive lesions that mammography identifies as potentially malignant. Further, many pa...

Journal: :iranian journal of radiology 0
mirjan m. nadrljanski department of diagnostic imaging, institute of oncology and radiology of serbia (iors), serbia; department of diagnostic imaging, institute of oncology and radiology of serbia (iors), pasterova, serbia +381-13353769, [email protected] biljana b. marković center for radiology and magnetic resonance imaging, clinical center of serbia (kcs), serbia; department of radiology, faculty of medicine, university of belgrade, serbia zorica č. milošević department of diagnostic imaging, institute of oncology and radiology of serbia (iors), serbia; department of radiology, faculty of medicine, university of belgrade, serbia

conclusion non-mass-like lesions, lesions with focal or segmental distribution, with a “plateau” enhancement curve type were the most frequent findings of dcis lesions on mri. background adequate diagnosis of ductal carcinoma in situ (dcis) could lead to efficacious treatment. due to the fact that dcis lesions can progress to invasive carcinomas and that the sensitivity of the standard examinat...

Journal: :journal of medical signals and sensors 0
leila salehi reza azmi

breast cancer continues to be a significant public health problem in the world. early detection is the key for improving breast cancer prognosis. in this way, magnetic resonance imaging (mri) is emerging as a powerful tool for the detection of breast cancer. breast mri presently has two major challenges. first, its specificity is relatively poor, and it detects many false positives (fps). secon...

2015
Vikneswary Batumalai Alexandra Quinn Michael Jameson Geoff Delaney Lois Holloway

INTRODUCTION Correct target positioning is crucial for accurate dose delivery in breast radiotherapy resulting in utilisation of daily imaging. However, the radiation dose from daily imaging is associated with increased probability of secondary induced cancer. The aim of this study was to quantify doses associated with three imaging modalities and investigate the correlation of dose and varying...

2009
Elizabeth A. Jones Trinh D. Phan Deborah A. Blanchard Abbe Miley

Breast-specific g-imaging (BSGI), also known as molecular breast imaging, is breast scintigraphy using a small-field-ofview g-camera and 99mTc-sestamibi. There are many different types of breast cancer, and many have characteristics making them challenging to detect by mammography and ultrasound. BSGI is a cost-effective, highly sensitive and specific technique that complements other imaging mo...

Journal: :Radiologic technology 2016
Teresa G Odle

Most breast imaging programs have replaced film-screen mammography systems with digital mammography. Other breast imaging methods, such as digital breast tomosynthesis, complement the tools available for screening and diagnosis of breast cancer. This article examines digital mammography, other digital breast imaging modalities, and the effects of these technologies on practice, quality, efficie...

Journal: :iranian journal of radiology 0
suk hyun bae department of radiology, inje university college of medicine, ilsan paik hospital, goyang-si, republic of korea ji young lee department of radiology, inje university college of medicine, ilsan paik hospital, goyang-si, republic of korea; department of radiology, inje university college of medicine, ilsan paik hospital, goyang-si, republic of korea. tel: +82-319107689

dermatofibrosarcoma protuberans is an uncommon malignant mesenchymal tumor of the dermis, which most commonly appears on the body and extremities. a preoperative diagnosis of dermatofibrosarcoma protuberans is extremely difficult, because it is a very rare entity and its appearance is often similar to that of benign breast lesion. here, we presented a case of breast dermatofibrosarcoma protuber...

2010

Breast cancer is a major public health problem worldwide. Important advances have improved survival, but early detection remains the main clinical challenge in reducing mortality. Currently, mammography is the ‘gold standard’ tool for breast cancer screening. However, the search for an early breast cancer detection method is the subject of extensive research. Although infrared imaging or breast...

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 ...

Digital Breast Tomosynthesis (DBT) is a technology that creates three dimensional (3D) images of breast tissue. Tomosynthesis mammography detects lesions that are not detectable with other imaging systems. If image reconstruction time is in the order of seconds, we can use Tomosynthesis systems to perform Tomosynthesis-guided Interventional procedures. This research has been designed to study u...

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