18 Questions
In a typical mammographic screening examination, how many views of each breast are commonly taken?
Two views
What is the primary purpose of a mammography?
Detecting early-stage breast cancer
Apart from breast cancer detection, what is another use of mammography?
Pre-surgical localization and guidance of biopsies
Why is a low-energy X-ray spectrum required for mammography?
To emphasize compositional differences of the breast
What are the two common views taken during a mammogram?
Cranio-caudal and mediolateral oblique
Why is the pectoralis muscle visualized in mammography?
As a reference point for breast positioning
What is the primary reason for requiring a low-energy X-ray spectra in mammography?
To improve image contrast
Why is a broad dynamic range necessary in mammography?
To accommodate different breast compositions
What is the purpose of having a specialised gantry in mammography equipment?
To accommodate the shape and size of the breast
In mammography, why is it important to have a Be (Beryllium) exit window on the X-ray tube?
To reduce X-ray attenuation
What effect does correct alignment of the mammography system geometry have on the visualisation of breast tissues?
Improves visualisation of chest wall edge
Why is a dual focus X-ray tube used in mammography?
To adjust the energy of X-rays based on breast composition
What is the role of metallic filters in mammography?
To act as an energy window for X rays
In screen-film mammography, where does the optimum beam energy typically lie?
Between 18 and 23 keV
What is the purpose of using Mo/Rh and Rh/Rh target/filter combinations in mammography?
To optimize imaging of thick, dense breasts
How do metallic filters affect X-ray energies in mammography?
They enrich the spectrum with X rays in a specific energy range
Which characteristic X rays are considered suitable for mammography?
Molybdenum and Rhodium
Why might higher energies be more optimal for digital mammography?
To achieve better image quality for tissue under examination
Explore the radiological requirements and procedures involved in mammography, a crucial diagnostic tool for detecting early-stage breast cancer. Learn about the different views commonly used in mammographic screening examinations.
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