2025-02-20

What is the difference between 2D and 3D Mammography, and when are each of them prescribed?

Early detection of breast pathologies plays a crucial role in successful treatment. That is why mammographic breast screening is one of the most important studies in modern medicine. However, how to choose the appropriate mammographic examination? At this stage, there are two types of mammography: 2D (standard) and 3D (tomosynthesis) mammography. There is a significant difference between them, which affects the accuracy and informativeness of the study.

Nino Nugzarishvili, a radiologist at the Institute of Clinical Oncology, explains the difference between these methods and which one is recommended for each case.

2D Mammography – Standard Screening

2D Mammography is the most widely used method, providing a two-dimensional image of the breast. However, it has some limitations: overlapping shadows of structures create a summative image, which often complicates visualization; small changes may be overlooked, and additional studies are frequently required. 

3D Mammography (Tomosynthesis) – Innovative Approach

3D Mammography is a relatively new stage in the early diagnosis of breast pathologies. The main advantage of this method is the acquisition of layered images, which provides: reduction of the effect of shadow overlapping, and better visualization of formations, better assessment of high-density tissue. Tomosynthesis is especially important for the assessment of architectural disorganization, which is often associated with breast diseases.

The Best device in Tbilisi – Quality, Precision, and Safety

Our clinic is equipped with modern 3D Mammography system, providing the acquisition of both 2D and 3D images in a single irradiation. This means that: the examination is fast and comfortable, the patient receives minimal radiation, and the results are as detailed and reliable as possible.

Which examination should be chosen?

For preventive screening, if you don’t have any suspicious symptoms and plan to have regular checkups, a 2D mammogram is sufficient.

In case of high-density tissues, 3D mammography is recommended as it provides a clear and precise image.

If suspicious formations are seen on 2D mammography, 3D mammography allows for a more detailed assessment of the breast.

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