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Conclusions Many aspects of internal echoes of mass image-forming breast lesions have been discussed. These points, as well as other themes, should be documented or corrected through further investigation in wide clinical practice.
Summary Depth to width ratio (D/W) is the only quantitive item in seven criteria used to evaluate breast masses by the Japanese Ultrasound Society. Recent technical improvement of ultrasound is remarkable, but the usefulness of the D/W has not fully been evaluated. We reviewed prospectively the D/W estimation of breast masses by using dedicated ultrasound units in ten hospitals that belong to the...
Conclusions We have reported the Diagnostic Guidelines for Non-Mass Image-Forming Lesions. These have been discussed in the subcommittee of the Japan Association of Breast and Thyroid Sonology (JABTS) and the Japan Society of Ultrasonics in Medicine. This report is now the draft. We will discuss it further, and it will become a useful guideline for the ultrasonic diagnosis of breast cancers.
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