Specialized Mammographic Technique; Spot Compression - Siemens MAMMOMAT 1000 Nova Application Handbook

Mammography applications

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Specialized mammographic technique

Spot compression images are valuable when improved compression

is desired over a small area and overlapping structures need to be

separated. Since scattered radiation is reduced with this technique,

it is possible to obtain high contrast and detailed images.

Set the tube at the angle desired. Choose the correct marker.

Mount the spot plate and corresponding aperture. Sometimes the

spot view can be obtained without an external aperture, or with

a larger aperture (axilla) if you want to visualize the surrounding

area.

Measure accurately (use a ruler) on the X-ray image where the

lesion is to be found. Measure from the nipple straight in and then

at right angles to the area of interest. Transfer the measurement

to the breast and make a small crossmark.

Inform the patient that it may feel more unpleasant with the

spot plate. Compress thoroughly and ensure that the cross lands

right under the plate. Make sure that no folds in the skin are formed.

Tell the patient to stand absolutely still and leave her to make

the exposure.

Note: Opcomp shall be neglected when spot-compression plates

are used.

SPECIALIZED MAMMOGRAPHIC TECHNIQUES

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