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Digital Breast Tomosynthesis (3D Mammography)

Increasing cancer screening sensitivity by layered imaging of breast tissue.

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Radyoloji department. Book Appointment →

What is Digital Breast Tomosynthesis (3D Mammography)?

Digital breast tomosynthesis (DBT) is the scanning of the breast from different angles by movement of the X-ray tube along an arc and the formation of 1 mm thick cross-sectional images by computer algorithms. It is an improved version of conventional 2D mammography.

By eliminating tissue overlap, it increases cancer detection rate by 20-40% especially in dense breast tissue and reduces false positive rate by 15-30%. It provides the greatest benefit in BI-RADS c and d (dense breast) categories.

It can be used in addition to screening mammography or alone. The additional radiation dose is minimized with synthesized 2D images.

Symptoms

Breast cancer screening in women over 40
Dense breast tissue (BI-RADS c-d)
Family history of breast cancer
To reduce recall rates
Evaluation of palpable breast mass

Risk Factors

Low dose radiation exposure
Possibility of missing some lesions even in dense breasts
Pregnancy (relative contraindication)
Breast implants (additional projections may be required)

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • For annual breast screening starting from age 40
  • From age 30 in high-risk women
  • When there is a palpable mass or nipple discharge
  • When indeterminate findings are detected on 2D mammography

Treatment Methods

01
Imaging in standard mammographic positions (CC and MLO)
02
Multiple low-dose projections along a 15° arc
03
Reconstruction in 1 mm slice thickness
04
BI-RADS reporting and use of CAD (computer-aided detection)
05
Further evaluation of suspicious lesions with ultrasound or MRI

Which Department to Visit?

You can visit our Radyoloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

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You can make an appointment with our specialists or contact us for your concerns.

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Digital Breast Tomosynthesis (DBT)

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Digital breast tomosynthesis is a 3D mammographic imaging method using multiple low-dose projections to reconstruct thin breast slices. It improves invasive cancer detection by 27-40% and reduces false-positive recalls by 15-30% compared to 2D mammography.

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X-ray is the oldest and most widely used radiologic test, providing rapid diagnosis in bone and lung pathologies.

Mammography

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Mammography is specialized low-dose X-ray imaging of breast tissue that detects cancer, often before clinical palpation, and is the primary tool for breast cancer screening in women 40 and older per ACR/ESR guidelines.

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Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.