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Color Doppler signals from breast tumors. Work in progress
D O Cosgrove1, J C Bamber, J B Davey
1Royal Marsden Hospital, London, England.
Radiology
|July 1, 1990
Summary
Color Doppler ultrasound effectively differentiates breast cancer from benign conditions by detecting increased blood flow. This imaging technique shows promise for diagnosing breast lesions, even small cancers.
Area of Science:
- Medical Imaging
- Oncology
- Radiology
Background:
- Distinguishing malignant from benign breast masses is crucial for timely treatment.
- Ultrasound is a primary imaging modality for breast lesion assessment.
- Assessing vascularity may improve diagnostic accuracy.
Purpose of the Study:
- To evaluate the utility of color Doppler ultrasound in differentiating breast carcinoma from benign breast disorders.
- To develop and apply a quantitative grading method for assessing blood vessel density in breast masses.
Main Methods:
- Sixty patients with breast masses underwent subjective assessment and quantitative analysis of color Doppler signals.
- A regional grading method was used to quantify blood vessel density.
- Blood flow parameters (vessels/cm², % color pixels) were compared between malignant and benign groups.
Main Results:
- Breast carcinoma consistently showed moderate to high blood flow (0.5 vessels/cm², 12.2% color pixels).
- Benign disorders typically exhibited no or minimal flow (0.01 vessels/cm², 0.8% color pixels).
- Color Doppler detected flow in cancers as small as 10 mm; high-velocity flow was specific to malignancies.
Conclusions:
- Color Doppler ultrasound is a valuable tool for the differential diagnosis of breast lesions.
- Quantitative assessment of blood flow can significantly aid in identifying breast cancer.
- This technique shows promise as an adjunct to conventional ultrasound imaging.