How will you perform QC of mammography machine?
QC testing can be carried out by loading an image of a test pattern onto the display workstation and making various objective measurements with a photometer and conducting a set of visual tests. Ideally, the test patterns would have the same overall format as the digital mammograms from the system.
Why is QC and QA important in mammography?
Quality assurance (QA) refers to all planned, systematic activities that instill confidence that quality mammography is being performed. Quality control (QC) refers only to the technical aspects of the examination.
Is screen-film mammography still used?
In many Western breast-cancer (BC) screening programs, digital mammography (DM) has replaced screen-film mammography (SFM) [1,2,3]; however, many SFM systems are still used globally.
What should be tested in quality control mammogram?
Recommended testing focused on assessment of low-contrast detection, spatial resolution and noise. QC of image display is recommended following the American Association of Physicists in Medicine guidelines.
What is Pgmi in mammography?
PGMI (Perfect, Good, Moderate, Inadequate) is a method of evaluation of clinical image quality in mammography developed by the United Kingdom Mammography Trainers Group with the support of the Royal College of Radiographers, aimed to ensure the maintenance of a high standard of mammography in Breast Screening and to …
Why low kVp is used in mammography?
Low kVp is used by mammographic X-ray tubes to ensure that the average energy of produced X-ray beams is near 20 keV. For normal-sized breasts, tube voltage of 25 to 28 kVp is often used.
What is the Craniocaudal view?
The craniocaudal view (CC view), along with the MLO view, is one of the two standard projections in a screening mammography. It must show the medial part as well as the external lateral portion of the breast as much as possible.