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Architectural distortion is a somewhat vague phrase used by radiologists, when the mammogram shows a region where the breasts normal appearance, looks like an abnormal arrangement of tissue strands, often a radial or perhaps a somewhat random pattern, but without any associated mass as the apparent cause of this distortion. The mammogram report will usually ask for some additional work-up, so they call-back the patient to get some extra views or ultrasound or both. Most of the time, architectural distortion causes some suspicion that there might be cancer.
Scientists at ETH Zurich and the University of Zurich have used machine learning methods to improve optoacoustic imaging. This relatively young medical imaging technique can be used for applications such as visualizing blood vessels, studying brain activity, characterizing skin lesions and diagnosing breast cancer. However, quality of the rendered images is very dependent on the number and distribution of sensors used by the device: the more of them, the better the image quality.
It is becoming more well-known that architectural distortion from old surgeries not seen in 2D can often be visualized in digital breast tomosynthesis. When you see this newly appreciated architectural distortion you are faced with the need to explain it. Is it something new?
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We present herein a novel algorithm for architectural distortion detection that utilizes the point convergence index with the likelihood of lines e. Validation was performed using 25 computed radiography CR mammograms, each of which has an architectural distortion with radiating spiculations. The proposed method comprises five steps. First, the lines were extracted on mammograms, such as spiculations of architectural distortion as well as lines in the mammary gland.
Proposed Indicators 8. Proportion of population below minimum level of dietary energy consumption MDG Indicator 9. Percentage of women of reproductive age with anemia
Breast architectural distortion is a descriptive term in breast imaging mammography, ultrasound, and MRI to indicate that the breast parenchyma is tethered or indented. The finding per se is not a mass. Architectural distortion is often due to a desmoplastic reaction in which there is focal disruption of the normal breast tissue pattern. There are several features that can be considered as part of architectural distortion 3 :.