نتایج جستجو برای: mammogram

تعداد نتایج: 1935  

Journal: :Cancer epidemiology, biomarkers & prevention : a publication of the American Association for Cancer Research, cosponsored by the American Society of Preventive Oncology 2003
Marilyn A Roubidoux Judith Salmon Kaur Kent A Griffith Barbara Stillwater Paul Novotny Jeff Sloan

The purpose is to determine breast cancer risk factors and correlates of mammographic parenchymal patterns among Alaska Native women. A retrospective review was performed of mammograms and mammogram records among 528 sequential screening mammogram examinations performed in Anchorage, Alaska. Mammogram density was classified by American College of Radiology (Breast Imaging Reporting and Data Sys...

Journal: :Psycho-oncology 2009
Tricia S Tang Stephanie K Patterson Marilyn A Roubidoux Linping Duan

OBJECTIVES Although rates for first-time and recent mammography screening have increased for women in the US in the past decade, rates for repeat mammography remain low. This study aimed to conduct an analysis of women's mammography experience, to examine the rates of repeat mammography and to identify the significant predictors of repeat mammography within 12 and 18 months of the index mammogr...

Journal: :Computers and Artificial Intelligence 2005
Tomasz Arodz

The properties of the Radon transform are used to derive the transformation invariant to translation, rotation and scaling. The invariant transformation involves translation compensation, angle representation and 1-D Fourier transform. The new object recognition method is studied experimentally in two domains, mammogram labels recognition and face recognition. For mammogram labels, the recognit...

2013

Assumptions Appropriate mammographic screening per NCCN, ACS, USPSTF and UMHS screening guidelines. Generally mammogram is not indicated for women age <30 because of low sensitivity and specificity. “Diagnostic breast imaging” refers to diagnostic mammogram and/or ultrasound. At most ages the combination of both imaging techniques yields the most accurate results and is recommended based on pat...

Journal: :Studia Universitatis Babes-Bolyai: Series Informatica 2023

"The efficient analysis of digital mammograms has an important role in the early detection breast cancer and can lead to a higher percentage recovery. This paper presents extended computer-aided diagnosis system for classification into three classes (normal, benign malignant). The performance is evaluated two different mammogram databases (MIAS DDSM) order assess its robustness. We discuss chan...

Journal: :Expert Syst. Appl. 2018
Aditya Shastri Deepti Tamrakar Kapil Ahuja

Breast cancer is becoming increasing pervasive, and its early detection is an important step in saving life of any patient. Mammography is an important tool in breast cancer diagnosis. The most important step here is classification of mammogram patch as normal-abnormal and benign-malignant. Texture of a breast in a mammogram patch plays a big role in these classifications. We propose a new feat...

2013
Sheng-Wen Zheng Jui Liu Chung Liu

Mammography is a commonly performed imaging study for screening breast cancer. One of the crucial elements of the mammogram processing is an accurate segmentation of the breast tumor region from a mammogram because it directly influences the subsequent analyzing accuracy and the processing speed of the mammogram. The goal of this paper is to propose an accurate and efficient algorithm of breast...

2013
K. Vaidehi T. S. Subashini Rangaraj M. Rangayyan JE Leo Desautels R. A. Borges

Computer aided detection/diagnosis aims at assisting radiologist in the analysis of digital mammograms. Digital mammogram has emerged as the most popular screening technique for early detection of breast cancer and other abnormalities in human breast tissue. The pectoral muscle represents a predominant density region in most mammograms and can affect/bias the results of image processing methods...

2013
Sheng-Wen Zheng

Breast cancer is frequently occurred in women to cause death. It is a malignant tumor caused by the abnormal division and reproduction of breast duct or acini cells. Many researches have proven that an early detection of the breast cancer can lead to successful treatments to reduce the death rate of breast cancer. For detecting the early-stage breast cancer, mammography is the most popular and ...

Journal: :European journal of cancer 2007
Eric Chamot Agathe I Charvet Thomas V Perneger

It is unclear whether introducing organised mammography screening programmes in a population where opportunistic screening is prevalent results in the two types of screening mainly competing against each other or attracting different groups of women. To compare women who participate in organised screening and those who prefer opportunistic screening, we conducted a prospective study of 932 wome...

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