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It applies to mammography, ultrasound, and MRI. This article reflects the 5th edition, published in 1. When there are multiple findings, the BI-RADS category for the exam is assigned the highest category in the following hierarchy, from lowest to highest: 1, 2, 3, 6, 0, 4, 5.
Screening mammograms with suspicious findings should generally be assigned BI-RADS 0 to indicate a callback for diagnostic evaluation, meaning additional views to confirm and further evaluate the finding. See main article on breast echotexture. See the main article on breast density.
See main article on breast calcifications. See main article on background parenchymal enhancement. See main article on non-mass enhancement. See main article on breast MRI enhancement curves. Findings should be identified in the radiology report if they are suspicious, new, enlarging, or more extensive than at prior exams.
Findings should be accompanied by a description of their location and an assessment of suspicion for malignancy. When used appropriately, the BI-RADS assessment categories accurately reflect their positive predictive value for cancer, which are on average as follows for mammographically identified lesions that underwent biopsy 3 :. Please Note: You can also scroll through stacks with your mouse wheel or the keyboard arrow keys.
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ACR BI-RADS Atlas® 5th Edition
The system is a collaborative effort of many health groups but is published and trademarked by the American College of Radiology ACR. The system is designed to standardize reporting, and is used by medical professionals to communicate a patient's risk of developing breast cancer. The document focuses on patient reports used by medical professionals, not "lay reports" that are provided to patients. As of the Atlas is divided into 3 publications:. These are standardized numerical codes typically assigned by a radiologist after interpreting a mammogram. This allows for concise and unambiguous understanding of patient records between multiple doctors and medical facilities. The assessment categories were developed for mammography and later adapted for use with MRI and Ultrasound findings.