1.Glomus tumors: a clinicopathological observation of 11 cases
Wei ZHANG ; Renquan TANG ; Jing GUO ; Yuanyuan LIU
Cancer Research and Clinic 2009;21(10):692-694
Objective To investigate the clinicopathological features of glomus tumor and its differential diagnosis. Methods Clinical, morphologie and immunohistoehemical representations were described in 11 cases of glomus tumor. Results The tumors were located at the hyponychial in 7 cases, forearm subcutaneous in 2 cases, knee subcutaneous in 1 case, gastric antrum forewall in 1 cases. Localized pain was the primary symptom. 9 giomus tumors were histopathologically classified as solid type, and 2 glomangiomatous type. The prominent morphologic features of glomus tumor were as follows: the tumor cells were small, round, uniform, the tumor cells arranged around capillary vessel or expansion of the small vein showing nest pattern,some tumor cells in fasciation pattern; focally myxoid change in the stroma were seen. Immunohistochemistry: 11 cases were positive for SMA and Vimentin; while other markers including CK, CD117, CD34, CgA, Syn, Desmin, S-100 and HMB45, were all negative. All 11 cases were without any evidence of recurrence or metastasis in followed-up for 12-30 months. Conclusion Glomus tumor is extremely rare. The diagnosis depends on the histology and immunohistochemistry. Glomus tumor is rare in visceral sites. It may be misdiagnosed and needs to he differentiated from other tumors.
2.Application of Flipped Classroom Teaching Method for Computer Basic Courses in Medical Colleges Based on BB Platform
Yan TANG ; Renquan LIU ; Fengying GUO ; Ping WANG
Journal of Medical Informatics 2015;(9):87-90
〔Abstract〕 Taking Beijing University of Chinese Medicine as an example , the paper analyzes problems existing in teaching computer basic courses .It proposes to combine the teaching concept of flipped classroom with the case -based teaching method , reform the teach-ing contents, methods, processes and modes of computer basic courses in medical colleges and cultivate students ′abilities to analyze and solve problems , and analyzes the feasibility .
3.The value of serum glypican-3 level in aided diagnosis of patients with primary hepatocellular carcinoma
Xiaoyu TANG ; Yanchun WANG ; Renquan LU ; Lin GUO
Chinese Journal of Preventive Medicine 2020;54(9):998-1002
Objective:To investigate the clinical value of glypican-3 (GPC3) detection in the diagnosis and therapy-monitoring of primary hepatocellular carcinoma (HCC).Methods:From March 2018 to May 2019, the patients with HCC were enrolled as the experimental group( n=166)from Fudan University Shanghai Cancer Centre, while the specimens from health control group( n=94) and benign control group ( n=50) were analyzed. The serum of GPC3 and alpha fetoprotein (AFP)levels were respectively detected by ELISA and chemiluminescence. GPC3 detections combined with AFP etc. in accuracy of HCC diagnosis were explored by using Logistic regression analysis. Results:The serum GPC3 level in patients with HCC [0.210 (0.048, 0.801)mg/L] [Median (quartile Q1, Q3)] was significantly higher than those in healthy controls [0.029(0.019, 0.052)mg/L] and benign controls [0.033(0.021, 0.043) mg/L] ( Z=-7.69, P<0.001).The serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT) and AFP were significantly different among the three groups ( Z=-7.02, -6.85, -8.36 respectively, P<0.001). Among the serological indicators, it was related to ALT and AST ( Z=-3.77, -4.09 respectively, P<0.001).The Cut-off level of GPC3 was determined as 0.077 mg/L by ROC curve. The sensitivity of the combined detection of serum GPC3 with AFP for HCC was up to 87.82%, the specificity was 77.86%, the negative predictive value was 84.29%, and the positive predictive value was 82.53%.The HCC-GPC3 model was constructed by using Logistic regression analysis. The area under the ROC curve was 0.882, the total sensitivity was 91.10%, and the total specificity was 72.73%. Further analysis showed that the serum GPC3 of patients with HCC was significantly lower [0.454(0.019, 0.286) mg/L] than that before surgery[0.608(0.039, 0.554)mg/L]( Z=-7.32, P<0.001). Conclusion:The detection of serum GPC3 can be applied to aid diagnosis and therapy-monitoring of HCC.The combination of GPC3 and AFP can improve the diagnostic efficiency of HCC.
4.The value of serum glypican-3 level in aided diagnosis of patients with primary hepatocellular carcinoma
Xiaoyu TANG ; Yanchun WANG ; Renquan LU ; Lin GUO
Chinese Journal of Preventive Medicine 2020;54(9):998-1002
Objective:To investigate the clinical value of glypican-3 (GPC3) detection in the diagnosis and therapy-monitoring of primary hepatocellular carcinoma (HCC).Methods:From March 2018 to May 2019, the patients with HCC were enrolled as the experimental group( n=166)from Fudan University Shanghai Cancer Centre, while the specimens from health control group( n=94) and benign control group ( n=50) were analyzed. The serum of GPC3 and alpha fetoprotein (AFP)levels were respectively detected by ELISA and chemiluminescence. GPC3 detections combined with AFP etc. in accuracy of HCC diagnosis were explored by using Logistic regression analysis. Results:The serum GPC3 level in patients with HCC [0.210 (0.048, 0.801)mg/L] [Median (quartile Q1, Q3)] was significantly higher than those in healthy controls [0.029(0.019, 0.052)mg/L] and benign controls [0.033(0.021, 0.043) mg/L] ( Z=-7.69, P<0.001).The serum levels of aspartate aminotransferase (AST), alanine aminotransferase (ALT) and AFP were significantly different among the three groups ( Z=-7.02, -6.85, -8.36 respectively, P<0.001). Among the serological indicators, it was related to ALT and AST ( Z=-3.77, -4.09 respectively, P<0.001).The Cut-off level of GPC3 was determined as 0.077 mg/L by ROC curve. The sensitivity of the combined detection of serum GPC3 with AFP for HCC was up to 87.82%, the specificity was 77.86%, the negative predictive value was 84.29%, and the positive predictive value was 82.53%.The HCC-GPC3 model was constructed by using Logistic regression analysis. The area under the ROC curve was 0.882, the total sensitivity was 91.10%, and the total specificity was 72.73%. Further analysis showed that the serum GPC3 of patients with HCC was significantly lower [0.454(0.019, 0.286) mg/L] than that before surgery[0.608(0.039, 0.554)mg/L]( Z=-7.32, P<0.001). Conclusion:The detection of serum GPC3 can be applied to aid diagnosis and therapy-monitoring of HCC.The combination of GPC3 and AFP can improve the diagnostic efficiency of HCC.