mediolateral oblique view

mediolateral oblique view

A standard mammographic view taken from an oblique or angled view, which is the most important projection as it allows imaging of the greatest amount of breast tissue and is preferred over the lateral 90º projection. With the MLO view, the pectoral muscle should be depicted obliquely from above and visible down to the level of the nipple or further beyond that; the muscle should bulge outward as a sign that it is relaxed.
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Due to the young age of the patient, only a mediolateral oblique view is obtained and no tomosynthesis is added.
A right mediolateral oblique view revealed an asymmetric density in the right axilla (Figure 1).
In the present case, after retrospective review of the original mammogram, the intramuscular lipoma was not seen because the area of interest in the inferior pectoralis muscle was not present in the mediolateral oblique view. It is important to have an adequate mediolateral oblique mammographic view, which should include the pectoralis muscle.
OBSERVATION AND RESULTS: In all 100 mammograms, both craniocaudal and mediolateral oblique views were studied.
Standard craniocaudal, mediolateral oblique views were taken as well as special views if indicated.
Craniocaudal and mediolateral oblique views of each breast were obtained (10 minutes per view).