1.Difference of accuracy between magnetic induction Freehand-3D ultrasound and two-dimensional ultrasound in measuring the volume of thyroid model
Ying HUANG ; Xiaofeng WU ; Kai WANG ; Mengshang HU ; Mengqi ZHOU ; Lihong ZHANG ; Mengyao SUN ; Fenglin DONG
Chinese Journal of Ultrasonography 2021;30(4):341-345
Objective:To investigate the difference of accuracy between magnetic induction Freehand-3D ultrasound and two-dimensional ultrasound in measuring the volume of thyroid model.Methods:Forty thyroid models were established using porcine liver, and the Archimedes procedure was set as gold standard in the measurement of the volume of each model. The accuracy of measurement of the porcine thyroid model volume between two-dimensional ultrasound and magnetic induction Freehand-3D ultrasound were compared.Results:There were no significant differences in the accuracy of measurements of thyroid model volume among two-dimensional ultrasound, magnetic induction Freehand-3D ultrasound and Archimedes procedure (all P>0.05). Compared with the Archimedes procedure, magnetic induction Freehand-3D ultrasonic method showed higher correlation coefficient of the measurement of thyroid model volume ( r=0.998). Bland-Altman analysis showed the lower measure error with a relative error of 3.42% and range of -9.57% to 12.07%. And the limits of agreement were (-1.253, 0.999) in the magnetic induction Freehand-3D ultrasonic measurement. Conclusions:Compared with two-dimensional ultrasound, the magnetic induction Freehand-3D ultrasound show higher accuracy in the measurement of the volume of the thyroid model.
2. Clinical application of contrast-enhanced ultrasound combined with modified labeled method in locating sentinel lymph nodes of breast cancer
Yan ZHENG ; Jie SUN ; Mengshang HU ; Lizhu HOU ; Jianxia LIU ; Fenglin DONG
Chinese Journal of Ultrasonography 2019;28(12):1061-1065
Objective:
To explore the clinical value of contrast-enhanced ultrasound combined with modified labeled method in labeling sentinel lymph nodes of breast cancer in comparison with nano-carbon stained method.
Methods:
Eighty female breast cancer patients who underwent surgery in the First Affiliated Hospital of Soochow University between July 2017 and April 2019 were enrolled. Sentinel lymph nodes in all patients were labeled by contrast-enhanced ultrasound combined with modified labeled method and nano-carbon stained method, respectively. The consistency of first lymph node labeled by the two methods was judged, the number of SLNs labeled by two methods was counted, and the pathology of the labeled SLN was compared with that after axillary dissection.
Results:
The two methods have good consistency in locating sentinel lymph nodes of breast cancer(Kappa=0.749,
3.Comparative analysis of blood components distribution in 24 domestic prefecture-level blood stations
Cheng PENG ; Guanlin HU ; Li LI ; Zhenxing WANG ; Jinghan ZHANG ; Yugen CHENG ; Liping HUANG ; Qiuhong MUO ; Yang LIU ; Wenzhi WANG ; Haining WANG ; Hao LI ; Youhua SHEN ; Xiaojuan YANG ; Guoqian YANG ; Ling WU ; Feng YAN ; Ning LI ; Jing LIU ; Lin BAO ; Mengshang ZHANG ; Jing CUI ; Zhujun FU ; Helong GUO ; Shutao PANG
Chinese Journal of Blood Transfusion 2022;35(9):942-946
【Objective】 To understand the current situation of blood components distribution in domestic prefecture-level blood stations through analyzing the components distribution data of 24 prefecture-level blood stations in China. 【Methods】 The data of components distribution of 24 blood stations from 2017 to 2020 as well as the data of blood deployment of 24 blood stations from 2019 to 2020 were collected and analyzed. 【Results】 From 2017 to 2020, positive annual growth in red blood cells, plasma and cryoprecipitate was observed in 22, 19 and 15 out of the 24 blood stations, and the annual growth median rate of above three components was 5.24%, 3.80% and 3.25%, respectively. Among the 24 prefecture-level blood stations, 23 carried out the preparation of cryoprecipitate. 【Conclusion】 The distribution of red blood cells, cryoprecipitate and plasma in prefecture-level blood stations is increasing year by year. However, there is a overstock of plasma, and most blood stations need blood employment.