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The Breast Imaging-Reporting and Data System (BI-RADS) is 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 Radiology (ACR).
When horizontal x-ray beams, commonly used in lateral projections, are used to image the breast, the fluid inside the cysts, such as milk of calcium, is imaged tangentially. [2] This technique often produces linear or curvilinear patterns of calcification. In some cases, a semilunar shape may appear, which is why this sign is called "teacup sign."
BI-RADS 5 indicates highly suggestive of malignancy. BI-RADS 6 is for biopsy-proven breast cancer. [54] BI-RADS 3, 4 and 5 assessments on screening mammograms require further investigation with a second "diagnostic" study. The latter is a more detailed mammogram that allows dedicated attention to the abnormal finding with additional maneuvers ...
Like the triple test score, BI-RADS (breast imaging-reporting and data system) uses a similar method of scoring breast imaging reports to help with evaluating and determining treatment for breast masses. [8] Like the triple test score, BI-RADS employs a numerical scoring system to determine whether a mass is benign or malignant.
In some cases, the accessory breast may not be visible at the surface. In these cases, it may be possible to distinguish their appearance from normal breast tissue with MRI. [1] In other cases, accessory breasts have been known to lactate, as illustrated in a drawing showing a child nursing at ectopic breast tissue on the lateral thigh. [2]
BI-RADS score of 4 or 5 on mammography, ultrasound, or MRI. [11] A suspicious hard palpable lump [9] Skin changes like crusting, scaling, or dimpling of the breast, which may signal an underlying breast cancer [9] Abnormal nipple discharge [7] [9]
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A patch of coloured feathers found on the throat or upper breast of some species of birds. [242] It is a feature found on many male hummingbirds, particularly those found in North America, whose gorgets are typically iridescent. [244] Other species having gorgets include the purple-throated fruitcrow [245] and the chukar partridge. [246]