RESUMO
Drawing experience from the theory and practice of flipped classroom, this paper proposes a new concept of "maker-oriented flipped classroom", differentiates it from the orthodox flipped classroom teaching, and expounds its teaching design and actual implementation in details through the example of WeChat Official Platform "Med Show". By adopting the 5-point Likert Scale, a survey was conducted on students' satisfaction degree about the effectiveness of "Med Show". The results reveal that students have made considerable progress in terms of medical English proficiency, awareness of medical humanities, and abilities of self-regulated learning and innovation. In conclusion, "Med Show" has made achievements in optimizing conventional teaching approaches, refining evaluation methods of teaching and learning, and redefining the role of teachers, and thus it provides some enlightenments for college English teaching in the era of Internet Plus.
RESUMO
Objective To study the CT features of small hepatocellular cancer.Methods 37 patients with small hepatocellular cancer proved histopathologically underwent spiral CT examinations including plain scans and contrast-enhanced scans.The arterial phase scan,the portal phase scan and delayed phase scan started at 25th second,70th second and 5th minute respectively after injecting the contrast medium with the high pressure syringe,the velocity was 2.5 ~3 ml/s,and the dose was 1.5 ml/kg.Results 73% (27/37) of tumors showed hyperdensity in arterial phase,65%(24/37) of tumors was hypodensity and 35% (13/37) had hyperdensity during portal phase,of which eight showed hypodensity in equilibrium phase.Conclusion Spiral CT can display the features of blood supply of small hepatocellular carcinoma that is of benefit in early diagnosis.
