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BI-RADS

Breast Imaging Reporting and Data System, 5th edition

Final assessment categories and management for mammography, breast ultrasound, and breast MRI.

vigenteAmerican College of Radiology5th edition2013Mammography, US, MRI
Fonte primária10 categorias
0Incomplete, need additional imaging1Negative2Benign3Probably benign4Suspicious4ALow suspicion for malignancy4BModerate suspicion for malignancy4CHigh suspicion for malignancy5Highly suggestive of malignancy6Known biopsy proven malignancy

Aplicar o BI-RADS a um achado

Descreva o achado como no laudo. A resposta aponta uma das categorias publicadas, com a probabilidade e o trecho que a decide.

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Categorias

Reescritas a partir da fonte e citadas
0
1 de 10

Incomplete, need additional imaging

Incomplete assessment; the workup cannot yet be finalized and more information is needed.

CondutaObtain additional imaging (e.g., extra mammographic views or ultrasound) and/or retrieve prior studies for comparison before assigning a final category.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS assessment categories (5th edition); radiologyassistant.nl BI-RADS for mammography and ultrasound 2013, category 0
1
2 de 10

Negative

Negative study; no masses, architectural distortion, or suspicious calcifications identified.

CondutaContinue routine age-appropriate screening.
RiscoEssentially 0% likelihood of malignancy.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS assessment categories (5th edition); radiologyassistant.nl BI-RADS 2013, category 1
2
3 de 10

Benign

Benign finding(s) described (e.g., calcified fibroadenoma, fat-containing lesion, intramammary node, post-surgical change).

CondutaContinue routine age-appropriate screening; no specific follow-up of the finding required.
RiscoEssentially 0% likelihood of malignancy.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS assessment categories (5th edition); radiologyassistant.nl BI-RADS 2013, category 2
3
4 de 10

Probably benign

Probably benign finding; expected to be benign with very high confidence.

CondutaShort-interval (initially 6-month) follow-up, then continued surveillance (e.g., at 12 months); if stable over the surveillance period the finding may be downgraded to category 2.
RiscoGreater than 0% but no more than 2% likelihood of malignancy.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS assessment categories (5th edition); radiologyassistant.nl BI-RADS 2013, category 3 ("less than a 2% risk of malignancy")
4
5 de 10

Suspicious

Suspicious finding that does not have the classic appearance of malignancy but warrants tissue sampling.

CondutaTissue diagnosis (image-guided needle biopsy) should be considered; category may be subdivided into 4A, 4B, 4C.
RiscoWide range of likelihood of malignancy spanning greater than 2% to less than 95%.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS assessment categories (5th edition); radiologyassistant.nl BI-RADS 2013, category 4; PMC6413875 Introduction ("Category 4 covers a wide range of likelihood of malignancy, from more than 2% to less than 95%")
4A
6 de 10

Low suspicion for malignancy

Suspicious breast finding in the low-suspicion subdivision of category 4, corresponding to a greater than 2% but no more than 10% likelihood of malignancy.

CondutaTissue diagnosis (image-guided biopsy) recommended.
RiscoGreater than 2% to no more than 10% likelihood of malignancy.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS 5th edition category 4 subdivisions; PMC6413875 Introduction and Table 2 ("4A > 2% to ≤ 10%")
4B
7 de 10

Moderate suspicion for malignancy

Suspicious breast finding in the moderate-suspicion subdivision of category 4, corresponding to a greater than 10% but no more than 50% likelihood of malignancy.

CondutaTissue diagnosis (image-guided biopsy) recommended.
RiscoGreater than 10% to no more than 50% likelihood of malignancy.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS 5th edition category 4 subdivisions; PMC6413875 Introduction and Table 2 ("4B > 10% to ≤ 50%")
4C
8 de 10

High suspicion for malignancy

High suspicion within category 4 (but not the classic appearance of malignancy).

CondutaTissue diagnosis (image-guided biopsy) recommended.
RiscoGreater than 50% to less than 95% likelihood of malignancy.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS 5th edition category 4 subdivisions; PMC6413875 Introduction and Table 2 ("4C > 50% to < 95%")
5
9 de 10

Highly suggestive of malignancy

Highly suggestive of malignancy with the classic appearance of breast cancer.

CondutaAppropriate action should be taken (tissue diagnosis / definitive management).
RiscoAt least 95% likelihood of malignancy.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS assessment categories (5th edition); radiologyassistant.nl BI-RADS 2013, category 5 (">95% likelihood of malignancy")
6
10 de 10

Known biopsy proven malignancy

Biopsy-proven malignancy already established by prior tissue diagnosis.

CondutaUsed to monitor a known cancer before/after definitive treatment (e.g., after incomplete excision or during neoadjuvant chemotherapy).
RiscoKnown (biopsy-proven) malignancy.
verificadoACR BI-RADS Atlas, Breast Imaging Reporting and Data System, 5th editionBI-RADS assessment categories (5th edition); radiologyassistant.nl BI-RADS 2013, category 6
Lógica de decisão estruturada
{
  "categories": [
    "0",
    "1",
    "2",
    "3",
    "4",
    "4A",
    "4B",
    "4C",
    "5",
    "6"
  ]
}

Referência, não é dispositivo médico. Confira a publicação primária vigente. O radiologista que assina o laudo continua autor e responsável.