乳腺分型 英文介绍.docx

From wikipedia ,the free encyclopediaBI-RADS is an acronym for breast imaging reporting and data system a quality assurance tool originally designed for use with mammography. the system is a collaborative effort of many health groups but is published and trademarked by the American college of radiologyThe 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 patientsContents1 Published documents2 Assessment categories3 Breast composition categories4 External links5 ReferencesPublished documentsWhile BI-RADS is a quality control system, in day-to-day usage the term BI-RADS refers to the mammography assessment categories,there 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 adap for the MRI and ultrasound atlases.the summary of each category,givenbelow,is identical for all 3 modalities.Category 6 was added in the 4th edition of the mammography atlasBI-RADS Assessment categories are0-6An incomplete (BI-RADS 0)classification warrants either an effort to ascertain prior imaging for comparison or to call the patient back for additional views and or higher quality films. BI-RADS classification of 4 or 5 warrants biopsy to further evaluate the offending lesion,some experts believe that the single BI-RADS4 classification does not adequately communicate the risk of cancer to doctors and recommend a subclassification scheme4A :suspicion malignancy 4B:intermediate of suspicion malignancy4C: moderate concern,but not classic for malignancyBreast Composition CategoriesAlmost entirely fattyScattered fibro-glandular densitiesHeterogeneously denseExtrem