Objective To evaluate the value of color Doppler flow image(CDFI)in diagnosis of acute renal allograft rejection in early stage,by comparative study on CDFI,single photon emission computer tomography(SPECT)and biopsy.

Evaluation of high frequency ultrasonography and CDFI in diagnosis of breast tumor;

CDFI showed that had a ringed colo.

Objective To evaluate the diagnostic role of high frequency ultrasonography(HFU) and CDFI for breast tumor,especially to evaluate the correlation of pathology in hyperplasia of breast.

The clinical value of the diagnosis of color doppler ultrasonography in breast hyperplasia;

Methods Totally 18 patients received color Doppler ultrasonography on day 1,3,and 7 after SPK.

The status of the carotid plague vessel wall, carotid artery intimamedia thickness and blood flow were observed by color Doppler ultrasonography.

Application of Color Doppler Flow Imaging in diagnosing complication from allograft kidney transplantation;

The contrast analysis of 2D(2-Dimensional) ultrasound and the characteristic of Color Doppler flow imaging in breast carcinomal;

Study of ocular hemodynamics in central retinal vein occlusion using Color Doppler Flow Imaging;

Study on the Diabetic Hemodynamics of Femoral Artery Using Color Doppler Ultrasound;

The Diagnosis Analysis of Color Doppler Ultrasound on Cryptorchidism;

Color Doppler ultrasoundal for the assessment of risk of injury on branches of the middle hepatic vein during laparoscopic cholecystectomy;