By analyzing major characteristics of professionalism education for medical students in certain western developed countries,this paper proposes some measures to strengthen the current professionalism education for medical students in China.

Objective We searched for optimal methods of embolization according to the images of selective hepatic arteriography to improve the efficiency of intervention.Methods 40 patients were selected to embolic with lipiodol ultra-fluida and PYM and followed by 6～48 months.Results According its shape and sign of stainangtime,liver hemangioma was distincted from liver cancer.The hemangioma sizes of 30 cases reduced beyond 50 percent and 4 cases had no change.All diminished hemongioma signs can been detected by ultrasound.The effective rate reached 85 percent.All patients had no side-effect.Conclusion The treatment of hepatic hemangioma with selectic arteriography and embolization is a good way in diagnosis and handle.

AIM: To study inhibitive effect of Lagotis Brevituba Maxim extracted on human stomach cancer SGC-7901 cells proliferation and/or induce apoptosis. METHODS: Human stomach cancer SGC-7901 cells were treated with Lagotis Brevituba Maxim extracted from n-butanol of 0.34～21.60 mg/mL for 24 h～72 h.Cell proliferation was evaluated by MTT assay.Morphological changes of apoptosis were examined by fluorescence microscope and electron microscope.DNA fragmentation was visualized by agarose gel electrophoresis.The amount of apoptosis cells was measured by flow cytometry. RESULTS: Growth of SGC-7901 cells was obviously inhibited by Lagotis Brevituba Maxim extract with value from 21.60 mg/mL to 0.34 mg/mL.After incubation of SGC-7901 cells with 2.7 mg/mL Lagotis Brevituba Maxim extract for 48 h, morphological changes of apoptosis were observed.DNA ladder was identified by agarose gel electrophoresis of DNA ladder. CONCLUSION: The n-butanol extract of Lagotis Brevituba Maxim can inhibit SGC-7901 cell growth and induce apoptosis.

Objective To sum up our experience in the preoperative management for anticoagulated valve replacement patients undergoing selective biliary tract surgery Methods Thirty eight patients were divided into normal liver function group of 23 cases (group A) suspending anticoagulant 3 days before the surgery and group B of 15 cases with abnormal liver function suspending anticoagulant plus VitK 1 injection 12 hours before the surgery Prothrombin time was measured, and result was compared with 115 normal controls Results There were no significant difference in prothrombin time between the two groups Conclusion A biliary tract surgery could be safe if anticoagulated patients receive adequate preoperative management

Objective To detect the expression of CD44v5 in esophageal squamous carcinoma (ESCC) and analyze its relationship with clinical pathological features,so as to explore the value of detecting CD44v5 in serum for screening ESCC. Methods The CD44v5mRNA and protein in ESCC tissues and its corresponding adjacent non-carcinomatous tissues were detected by RT-PCR and Western-Blot. Enzyme-linked immunosorbent assay (ELISA) was applied to detect the protein in serum of 100 ESCC patients and 60 healthy subjects. Results (1)The expression of CD44v5 in esophageal squamous carcinoma tissues is higher than the tissue adjacent to carcinoma, and CD44v5 expression in different TNM stages, invasion depth, presence of lymph node metastasis and differentiation is with statistical differences(P < 0.05). (2)CD44v5 proteins in patients with ESCC (31.308 ± 10.123) μg/L is higher than healthy subjects (19.364 ± 1.680) μg/L, the difference is statistically significant (P < 0.01). (3)In the trial of using ELISA method to detect CD44v5 content in serum in the diagnosis of ESCC, the area under the ROC curve is 0.865. If the healthy subjects' serum content of the upper limit of 95%confidence interval was taken as a positive judgment standard, the diagnosis effect: sensitivity is 91.0%and speciality is 60.0%. Conclusion The expression of CD44v5 was related to the occurrence and lymph node metastasis of ESCC. Using ELISA method to detect the contents of CD44v5 proteins in serum, with a high sensitivity, can be used to screen ESCC.

Objective To detect the expressions of Wnt2 and dishevelled (Dvl) protein in esophageal squamous carci-noma, and analyze their relationship with the occurrence and development of esophageal squamous cell carcinoma. Meth-ods The expression levels of Wnt2 and Dvl protein were detected by Western blot assay in 60 samples of esophageal carci-noma and adjacent non-carcinomatous esophageal tissues, and their relationship with clinical pathological features were ana-lyzed. Results The relative expression levels of Wnt2 and Dvl protein were higher in esophageal squamous carcinoma tis-sue (0.512 ± 0.406, 1.218±1.082) than those of esophageal tissue adjacent to carcinoma (0.153 ± 0.189, 0.505±0.358). There were significant differences in the expression levels of Wnt2 and Dvl protein between different infiltration depth, different TNM stages, and lymph node metastasis (P<0.01). There was a positive correlation between Wnt2 and Dvl protein in esopha-geal squamous carcinoma (r=0.718, P<0.01). Conclusion The high expression levels of Wnt2 and Dvl protein promote the development and metastasis of esophageal squamous cell carcinomas collaboratively via Wnt2 signal transduction path-ways.

AIM\ To observe the effect of methionine enkephalin(Met Enk) on proliferation and mechanism involved by opiate receptor of peripheral blood lymphocyte(PBL) from patients with systemic lupus erythematosus(SLE). METHODS\ Lymphocyte proliferation assay. RESULTS\ Naloxone (Nal,1?10 -6 mol?L -1 )could block the increasing effect of Met Enk(1?10 -8 ～1?10 -6 mol?L -1 )on the PBL proliferation of normal humans,but there was no direct effect on that. However,Nal could not only block the promotive action of Met Enk on PBL proliferation of SLE patients,but there was a direct decreasing effect on it. CONCLUSION\ Endogenous Met Enk may participate in the abnormal regulation with SLE PBL via opiate receptor.

Objective To evaluate the therapeutic effects and experience of the tracheal stent implantation for the management of severe tracheal stenosis.Materials Thirteen patients with severe tracheal stenosis of various causes underwent high kilovoltage radiography and computed tomography for evaluating the site,form and extent of the stenosis including 10 at the trachea,1 at the right main bronchus and 2 at left main bronchus.The C2 catheter assisted with ultra-slipping guide wire was inserted into the trachea under fluoroscopy and then a replaced high shoring guide wire was pushed through the stenotic segment and retained the stent. Results All stents were implanted successfully with successful rate 100% together with dyspneic improvements.The mean survival time was 6.2 months for patients with malignant neoplasm.One patient with benign tracheal stenosis has been followed-up for 5 years without restenosis. Conclusions The tracheal stent implantation is an effective means for severe tracheal stenosis.

Heart sounds teletransmission is very important in telemedicine.The heart sounds are transmitted to the server which has been accessed to internet in custody center based on GPRS,then doctors analyze the heart sounds and transmit the conclusion to the consumer.

Objective To explore the application value of combined detection of serum hyaluronic acid(HA) ,procollagen type Ⅲ(PCⅢ) ,laminin(LN) and collagen type Ⅳ(CⅣ) .Methods Immunoradiometric analysis was conclucted to detet the index levels of serum HA ,PC Ⅲ ,LN and C Ⅳ in 81 patients with liver disease(24 cases in hepatitis group ,39 cases in liver cirrhosis group ,18 ca-ses in liver cancer group) and 40 healthy adult(control group) .Then compared the differences of 4 indicators among groups .Results Four index levels of serum liver fibrosis from liver disease patients were higher than those of control group(P< 0 .05 or P<0 .01) ,HA level of liver cirrhosis group and liver cancer group were significantly higher than that in hepatitis group (P<0 .05 ,P<0 .01)HA level of liver cancer group was higher than that of liver cirrhosis group(P<0 .05) ,liver cirrhosis was higher than hepati-tis group(P<0 .05) .Conclusion Combined determination of the serum HA ,PCⅢ ,LN and CⅣ has importantly clinical significance in early diagnosis and prognosis of hepatic fibrosis .