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[Color Doppler flow imaging in gallbladder tumors].
D Li1
1Ultrasound Unit, Beijing Hospital.
Zhonghua Yi Xue Za Zhi
|July 1, 1992
Summary
High velocity arterial blood flow signals (VABFS) in gallbladder masses or walls indicate primary gallbladder carcinoma. This Doppler ultrasound finding aids in distinguishing primary gallbladder cancer from metastatic and benign lesions.
Area of Science:
- Medical Imaging
- Oncology
- Gastroenterology
Background:
- Gallbladder (GB) masses and wall thickening require accurate diagnosis.
- Differentiating primary GB malignancy from metastatic and benign conditions is clinically important.
Purpose of the Study:
- To evaluate the utility of duplex and color Doppler ultrasonography in identifying primary gallbladder carcinoma.
- To assess the significance of high velocity arterial blood flow signal (VABFS) in GB lesions.
Main Methods:
- Sonography, including duplex and color Doppler, was performed on 30 patients with GB masses or thickened walls.
- Pathological confirmation was obtained post-surgery for all patients.
- VABFS in GB masses and walls was analyzed and correlated with pathological findings.
Main Results:
- Seven of 8 primary GB malignancies exhibited high VABFS in tumor masses.
- No VABFS was detected in metastatic GB lesions or adenomas.
- Ten primary GB carcinomas showed high VABFS in the GB wall, unlike metastatic cases.
- Benign GB lesions rarely showed VABFS, and when present, it was low velocity.
Conclusions:
- High VABFS in gallbladder masses or walls is a significant indicator of primary GB carcinoma.
- Doppler ultrasonography, specifically VABFS assessment, is valuable for differentiating primary GB carcinoma from metastatic and benign GB lesions.