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Breast imaging-reporting and data system (BI-RADS) assessment category 4 A BI-RADS 4 lesion under the breast imaging-reporting and data system refers to a suspicious abnormality BI-RADS 4 lesions may not have the characteristic morphology of breast cancer but have a definite probability of being malignant A biopsy is recommended for these lesions
Breast imaging-reporting and data system (BI-RADS) BI-RADS (Breast Imaging-Reporting and Data System) is a risk assessment and quality assurance tool developed by American College of Radiology that provides a widely accepted lexicon and reporting schema for imaging of the breast It applies to mammography, ultrasound, and MRI This article reflects the 5th edition, published in 2013 1
Breast imaging-reporting and data system (BI-RADS) assessment category 5 A BI-RADS 5 lesion has the typical imaging features of breast malignancy On a mammogram, any two of the following features are demonstrated: spiculated or irregular mass high density fine linear or linear branching segmental calcifications Nipple retraction, skin thickening and evidence of interval growth, if present, would support the diagnosis
BSBR breast imaging classification - Radiopaedia. org While the benign and highly suspicious lesions compare well (0 4% versus 0%, 97 8% versus >95%), there is some discrepancy comparing RCR with BI-RADS, as BI-RADS 4 can be attributed to indeterminate U3 M3 or suspicious U4 M4 lesions
Breast imaging-reporting and data system (BI-RADS) assessment category 2 Although BI-RADS 1 and BI-RADS 2 both denote an essentially zero chance of malignancy, BI-RADS 1 is used in situations where the breast is completely unremarkable, and BI-RADS 2 is used when the radiologist wants to remark on a benign finding
Complex cystic and solid breast mass - Radiopaedia. org Some authors find that the complex cystic lesions have 23% up to 31% risk of malignancy 4, while others estimate the risk as 0 3% 4 The former consider the complex breast cyst as intermediate BIRADS IVb lesions, while the latter consider them to be BIRADS IVa lesions 4
Suspicious breast calcifications - BI-RADS 4 - Radiopaedia. org Fine pleomorphic and amorphous microcalcifications with regional and scattered distribution are seen in the upper outer quadrant of the right breast, which is moderately suspicious for malignancy (BI-RADS 4)
Breast imaging-reporting and data system (BI-RADS) assessment category 0 In the screening setting, mammograms with suspicious findings should generally be assigned BI-RADS 0 to indicate a callback recall for diagnostic evaluation In the diagnostic setting, a study should be reported as BI-RADS 0 only if there is a need for further information (e g focused ultrasound or outside prior exams) that is planned to be