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(a) LMLO mammogram shows an area in which grid lines are superimposed on the diagnostic information (rectangle). (b) Magnified image of the area of interest in a shows that the grid lines are oriented at a 45° angle, owing to the honeycomb-shaped grid that is used with this particular system.Why is the MLO the most important projection in breast reconstruction?
It is the most important projection as it allows depiction of most breast tissue. The representation of the pectoral muscle on the MLO view is a key component in assessing the adequacy of patient positioning and therefore, the adequacy of the image.How is the patient positioned for an MLO mammogram?
Furthermore, as most breast pathology occurs in the upper outer quadrant, it is important that this area is clearly visible on MLO views. The patient is positioned in front of the mammography arm of the hand in question lying at the top of the table top, usually at 45°.What is the mediolateral oblique (MLO) view?
The mediolateral oblique (MLO) view is one of the two standard mammographic views, alongside the craniocaudal (CC) view . It is the most important projection as it allows depiction of most breast tissue.