Chison Medical Imaging

Cheryl Hall Harris, R.N.

Nov 4, 2008

2008 11 03 16 23 07 147 Chison Thumb Ult 2008

(Booth 6654) Look for Wuxi, China-based Chison Medical Imaging to launch two new color Doppler ultrasound systems, the iVis 60 Expert console system and the Q8 portable unit, at this year's RSNA show.

The systems offer new imaging technologies such as double-phasing digital beam formation (DPDBF), speckle reconstruction algorithm (SRA), and compound imaging. Chison's extended cardiac software provides tissue Doppler, free M-mode, and other functions that are of particular interest to cardiac imagers.

The scanners have been cleared by the U.S. Food and Drug Administration and are currently available worldwide.

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Images depict a 43-year-old woman with a malignant nonmass lesion that was diagnosed as microinvasive ductal carcinoma. (A) Transverse and (B) longitudinal ultrasound images show a hypoechoic nonmass lesion (solid arrows) with segmental distribution in the left breast. The lesion has associated calcifications (dashed arrows in A). (C) Longitudinal color Doppler ultrasound image shows high vascularity. (D) Magnified image in the mediolateral oblique view from screening mammography shows grouped calcifications (arrows), which are considered a mammographic correlate of the ultrasound-detected nonmass lesion (A radiopaque marker attached to the skin is visible in the image because the mammographic exam was performed after screening breast ultrasound). Ultrasound-guided core needle biopsy and pathologic examination revealed ductal carcinoma in situ, but the lesion was upgraded to microinvasive ductal carcinoma at subsequent surgery (2.5-cm ductal carcinoma in situ, histologic grade II, estrogen receptor-positive, progesterone receptor-positive, human epidermal growth factor receptor type 2-negative).

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