ULTRASONIC DIAGNOSTIC METHOD OF EXTENSION OF BREAST CANCER TO SOFT TISSUES OF FRONT CHEST WALL Russian patent published in 2011 - IPC A61B8/00 

FIELD: measurement equipment.

SUBSTANCE: invention refers to medicine and is designed for diagnostic of extension of breast cancer to soft tissues of the front chest wall. Verification biopsy is performed with cutting needle and injection of 4-6 ml of 2% solution of lidocaine; at that, immediately after injection of lidocaine the repeated investigation of the concerned section is performed. Pictures of the investigated breast section and section of chest wall are recorded before and after injection of lidocaine in "B-mode" of scanning in version "2B". Picture is recorded in the left half of monitor of the investigated section before lidocaine is applied, in the right half - in real time scale with possible storage and further comparison of pictures of one and the same breast section. In case of absence of differentiation of lipo layer, fascia and structure of pectoral muscle the availability of tumour invasion to chest wall is diagnosed, and if lidocaine layer appears in the form of unechogenic section clearly outlining the rear contour of tumour and the front contour of pectoral muscle, absence of invasion is diagnosed.

EFFECT: method allows improving accuracy of ultrasound diagnostic of extension of breast cancer to soft tissues of the front chest wall.

4 dwg, 2 ex