The digital (e-book) version of the ACR BI-RADS® Atlas (5th Edition) is now available. You may download the e-book on up to 5 devices and take the atlas with. The much-anticipated fifth edition of the American College of Radiology (ACR) Breast. Imaging Reporting and Data System (BI-RADS) lexicon was released. 15 Apr Initially developed in , the American College of Radiology Breast Imaging Reporting and Data System (BI-RADS) lexicon serves to.

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This could be for instance ectopic glandular tissue within a heterogeneously dense breast. Findings that represent unilateral deposits of fibroglandulair rars not conforming to the definition of a mass.

The palpable mass is concordant with a solid mass, predominantly well circumscribed. If the lesion is not circumscribed, then the additional descriptors are indistinct, angular unique to acr bi rads atlas 5th editionmicrolobulated, and spiculated.

The malignant lesion demonstrates shadowing deep to rrads, due to the attenuation of the acoustic transmission. New is the recommendation to include a succinct description of the breast composition.

Bi-RADS for Mammography and Ultrasound 2013

Although US is not typically used for screening for calcifications or seeking mammographic calcifications, there are occasions when US is used for acr bi rads atlas 5th edition with mammographic calcifications. DON’T Don’t use if only one highly suspicious finding is present. Describe the breast composition.

If Ultrasound is performed, mention if the US is targeted to a specific location or supplementary screening.

BI-RADS® fifth edition: A summary of changes – ScienceDirect

However, if the radiologist wishes to scan any lesion with a real-time assessment, even if it is of very low suspicion e. Attenuation shadowing and enhancement are of a more secondary than primary predictive value, because they are not specific to a benign or malignant diagnosis.


There 55th be variability within breast imaging practices, members of a group practice should agree upon a consistent policy for documenting. The breasts are symmetric and no masses, architectural acr bi rads atlas 5th edition or suspicious calcifications are present. Lateral in the left breast, at 3 o’clock position in the posterior third of the breast, concordant with the palpable lump there is a 3 cm hyperdense mass with a rounded, but also irregular shape.

Echogenicity of the lesion is also a ultrasonography-specific descriptor. To find out whether the mass was within the area of the calcifications, contrast was injected into the mass. There are at least two more, smaller cysts present in the right breast.

The ultrasound acr bi rads atlas 5th edition has many similarities to the mammography lexicon, but there eddition some descriptors that are specific for ultrasound.

Practical and illustrated summary of updated BI-RADS for ultrasonography

Second is how screening US should be reported. Special cases Special cases are findings with features so typical that you do not need to describe them in detail, like for instance an intramammary lymph node or a wart on the skin.

Technology Women’s Health July 24, The descriptors for the mass margin first bifurcate into acr bi rads atlas 5th edition or not circumscribed Fig.

There is one exception of the rule: Listed are simple cyst, clustered microcysts, mass in or on the skin, foreign body including implants, lymph node-intramammary, lymph node-axillary, vascular abnormalities, postsurgical fluid collection, and fat necrosis. This edition is designed to improve patient care by serving as a comprehensive guide providing standardized breast imaging terminology, report organization, assessment structure and a classification system for mammography, ultrasound and magnetic resonance imaging MRI of the breast.

Here is one such lesion, shown in orthogonal projections.


This category is reserved for findings that do not have the classic appearance of malignancy but are sufficiently suspicious to justify a recommendation for biopsy. This round mass is a simple cyst. Spiculated with radiating lines from the mass is a very suspicious finding.

They are of a patient with a new lesion found at screening. This has to be differentiated from a mass. Ultrasound demonstrated acr bi rads atlas 5th edition 37 mm mass with indistinct and angular margins and shadowing. The density 5fh a mass is related to the expected attenuation of an equal volume of fibroglandular tissue.

Bilateral US reveals both areas of homogenous echotexture-fibroglandular and heterogeneous echotexture.

Fifth Edition ACR BI-RADS Atlas Now Available

Findings, Masses In a deliberate effort to harmonize with mammography, the mass shape descriptors are not oval i. This article has been cited by other articles in PMC. Bilateral mammography shows a dense breast tissue, as expected. In addition, the fifth edition includes updated descriptors for breast composition, descriptors for elasticity assessment in ultrasound and descriptors for implant assessment in MRI.

Many descriptors for acr bi rads atlas 5th edition are the same as for mammography. Ultrasound examination was performed.

We will first discuss the breast imaging lexicon of mammography and ultrasound and then discuss in more detail the final assessment categories and the do’s and don’ts in these categories. Obscured or partially obscured, when the margin is hidden by superimposed fibroglandular tissue. Then use category 4.