3-D mammography

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3-D mammography, also known as digital breast tomosynthesis (DBT), is an advanced form of breast imaging that uses a series of low-dose X-rays to create a three-dimensional image of the breast. This technology is used to improve the detection and diagnosis of breast cancer by providing a clearer and more detailed view of breast tissue compared to traditional 2-D mammography.

Technology[edit | edit source]

3-D mammography works by taking multiple X-ray images of the breast from different angles. These images are then reconstructed into a three-dimensional image using computer algorithms. This allows radiologists to examine the breast tissue layer by layer, making it easier to identify abnormalities such as breast cancer.

Advantages[edit | edit source]

The primary advantage of 3-D mammography over traditional 2-D mammography is its ability to reduce the impact of overlapping breast tissue, which can obscure tumors and other abnormalities. This leads to:

  • Improved cancer detection rates, particularly for invasive breast cancer.
  • Reduced recall rates for additional imaging, which can decrease patient anxiety and reduce healthcare costs.
  • Better visualization of dense breast tissue, which is more common in younger women and can make cancer detection more challenging.

Procedure[edit | edit source]

The procedure for 3-D mammography is similar to that of traditional mammography. The patient stands in front of the mammography machine, and the breast is compressed between two plates to spread out the tissue. The machine then takes multiple X-ray images from different angles. The entire process typically takes about 10-15 minutes.

Clinical Applications[edit | edit source]

3-D mammography is used for both screening mammography and diagnostic mammography. It is particularly beneficial for:

  • Women with dense breast tissue.
  • Women with a higher risk of breast cancer.
  • Patients who have had previous mammograms with inconclusive results.

Limitations[edit | edit source]

While 3-D mammography offers many benefits, it also has some limitations:

  • Higher cost compared to traditional mammography.
  • Slightly higher radiation dose, although still within safe limits.
  • Limited availability in some regions.

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