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Ultrasound on painless breast lump done. What does brightness on ultrasound mean?

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Had an ultrasound on palpable painless breast lump 3 months post breast reduction. Radiologist suspects scar tissue, hematoma, or fat necrosis. Mentioned brightness on ultrasound indicative of fat or hematoma. What does brightness on ultrasound mean?
Posted Wed, 31 Oct 2012 in X-ray, Lab tests and Scans
Answered by Dr. Ioan Dorian OANA 5 hours later
Thanks for your query.

The significance of the brightness on ultrasound varies depending on the context, because some tissues normally reflect more or less ultrasound waves than others. When part of an organ changes to reflect more ultrasound waves than usual, with the result that it appears brighter than the surrounding tissue, this could indicate an area of disease.

There are a number of lesions that appear brighter on ultrasound which can be either completely or partly bright and most common of benign entities: fat containing breast lesions (lipoma of the breast, fibroadenolipoma of the breast, focal regions of mammary fat necrosis, angiomyolipoma of the breast, intramammary lymph node with prominent central fat replacement of the hilum), acute breast haematoma, breast angiomas and focal fibrosis involving the breast.

If you have any more queries, feel free to ask.

Dr. Dorian Oana MD, PhD
Above answer was peer-reviewed by
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