نتایج جستجو برای: breast lesions segmentation
تعداد نتایج: 471231 فیلتر نتایج به سال:
OBJECTIVE To evaluate the outline and pattern of male and female breast diseases in Saudi Arabia. METHODS The study consisted of 953 consecutive female breast biopsies and mastectomies. Information on these cases were retrieved from the records of the laboratory. Outline of breast lesions were tabulated and classified into inflammatory, benign and malignant lesions. RESULTS Benign lesions c...
To evaluate the diagnostic eff icacy of breast magnetic resonance imaging (MRI)-guided needle localization and surgical biopsy for suspicious breast lesions occult on physical breast examination, mammography and second-look ultrasound. Twelve patients (age range, 29-68 years; mean 44.9±9.24 years) received breast MR-guided needle localization and surgical biopsy for the suspicious lesions detec...
Automatic image segmentation of immunohistologically stained breast tissue sections helps pathologists to discover the cancer disease earlier. The detection of the real number of cancer nuclei in the image is a very tedious and time consuming task. Segmentation of cancer nuclei, especially touching nuclei, presents many difficulties to separate them by traditional segmentation algorithms. This ...
Asymptomatic women who have received silicone injection for breast augmentation have a risk of underestimating breast cancer by palpation, mammography, or breast sonography. Enhanced breast MRI is sensitive to display certain nonspecific enhanced lesions or suspicious lesions. Such nonspecific MRI-detected lesions could be managed by American College Radiology BI-RADS lexicon and selectively wi...
The segmentation of liver lesions is crucial for detection, diagnosis and monitoring progression of liver cancer. However, design of accurate automated methods remains challenging due to high noise in CT scans, low contrast between liver and lesions, as well as large lesion variability. We propose a 3D automatic, unsupervised method for liver lesions segmentation using a phase separation approa...
A comprehensive cytologic study of a large series papillary lesions the breast suggests combination new features to distinguish benign neoplasms from malignant ones.
Clinically, the accurate annotation of lesions/tissues can significantly facilitate disease diagnosis. For example, segmentation optic disc/cup (OD/OC) on fundus image would glaucoma diagnosis, skin lesions dermoscopic images is helpful to melanoma etc. With advancement deep learning techniques, a wide range methods proved also automated diagnosis models. However, existing are limited in sense ...
Conservative breast cancer surgery requires an exact knowledge on the impact that local resection may have on the cosmetic result, and for this reason, the characteristics of each breast region must be taken into account. The segmentation theory helps to predict the consequences of local resection in each breast segment and, at the same time, optimise the choice of the best procedure for their ...
BACKGROUND Ultrasound-guided vacuum-assisted breast biopsy technology is extremely useful for diagnostic biopsy of suspicious breast lesions and for attempted complete excision of appropriately selected presumed benign breast lesions. CASE PRESENTATION A female patient presented with 16 breast lesions (eight within each breast), documented on ultrasound and all presumed to be fibroadenomas. O...
Breast cancer is second leading cause of death among women. Mass of the cancer is initially originates from a single cell but slowly increases in size by rapid multiplication of cells to produces symptoms. Most of the time cancer symptoms are identified at the late stage, when the tumor becomes bigger in size and treatment becomes invasive. Early detection of the cancer before the development o...
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