Breast Imaging Reporting and Data System
Standardizes breast imaging findings into categories to guide clinical management. Used for mammography, ultrasound, and MRI.
Additional imaging needed
Management: Additional imaging (US, spot compression, magnification)
Normal findings
Management: Routine screening
Definitely benign findings
Management: Routine screening
High probability of benignity — short-term follow-up recommended
Management: 6-month follow-up, then annual (2 years)
Suspicious for malignancy — biopsy recommended
Management: Biopsy (core biopsy or FNA)
Very high probability of malignancy — biopsy mandatory
Management: Biopsy and surgical planning
Biopsy-proven malignancy
Management: Treatment planning (surgical staging)
This classification system is intended for clinical decision support. Final diagnosis and treatment decisions rest with the clinician.