Ongoing improvement of the laws, rules and regulations are putting the diagnosis and verification of occupational diseases in China onto a legal and standard track. A case study of the "Pneumouconiosis event" of migrant worker Z in 2009 analyzed the challenges and causes of such system.In addition, the authors probed into the fundamental principles to follow in the diagnosis and verification,and raised recommendations for a better diagnosis and verification system in China.

Objective To study effects of the intrathymic injection of allohepatic cells on intestinal allograft.Methods Adult male DA and PVG rats,7-9 week old,were used as donors and recipients,respectively.The ectopic small howel transplantations were performed one week after intrathymic injection of hepatic cells without use of any immunosuppressants.The surgical procedures were carried out in a such manner that portal vein was anastomosed with 1eft renal vein by the cuff,aorta was anastomosed with superior mesenteric artery with its aortic patch.Results The donor liver ceils could survive in the recipient thymus for 3 weeks.The small intestinal allograft showed severe rejection and donor died one week after intrathymic injection of hepatic cells,but the hepatic cells could survive within the thymus at this time.Conclusion The intrathymic injection of allohepatic cells could not induce immune tolerance of the recipient to the same donor small intestinal graft.

Objective To discuss the biological and pathological features, diagnosis, treatment and prognosis of primary malignant mel-anoma of the foreskin. Methods The diagnosis, treatment, and follow-up of one case of primary malignant melanoma of foreskin treated in our hospital was reported, and the related literatures were reviewed. Results The tumour stage of the patient was stage I, and the patient was given partial amputation of the penis and bilateral inguinal lymph node dissection. Chemotherapy and immunotherapy were conducted at the same time. And there was no recurrence metastasis of during the postoperative follow-up of 54 months. Conclusion Primary malignant melanoma of the foreskin is rare in clinical and it is of high malignant degree. Its diagnosis depends on pathology and surgery is the main treatment. Postoperative chemotherapy and immunotherapy can prolong the survival time of patients, but the overall prognosis is poor.

Objective To explore the efficacy of shugan -jieyu capsule and escitalopram in treating post -stroke depression (PSD).Methods 80 cases with PSD were randomly divided into the study group(administered with shugan -jieyu capsule and escitalopram)and the control group(administered only with escitalopram),40 cases in each group.Hamilt Depression Rating Scale(HAMD),Modified Einberg -Scandinavian Stroke Scale(MESSS)and Treatment Emergent Symptoms Scale(TESS)were used to assess treatment effect before treatment and at the weekend of 2nd,4th,8th after treatment.Results The scores of HAMD and MESSS in the study group were much lower than those in the control group.The scores of HAMD at 4th weekend and 8th weekend in the study group were (16.92 ± 3.75),(8.60 ±3.25),those in the control group were (19.27 ±4.11),(11.13 ±3.72)(t2w =-2.671,t4w =-3.239,P <0.05).The scores of MESSS at 4th weekend and 8th weekend in the study group were (20.06 ±3.87), (12.47 ±3.97),which in the control group were (21.68 ±3.12),(15.09 ±3.20)(t2w =-2.061,t4w =-3.250, P <0.05),while the effective rate in the study group(80.0%)was significantly higher than that in the control group (45.0%)(χ2 =5.227,P <0.05).Conclusion The efficacy of shugan -jieyu capsule combined with escitalopram for PSD is superior to use escitalopram alone.

Objective:To investigate the effects of the miR-149 on the growth and invasion of prostate carcinoma cells. Meth-ods:Real-time fluorescence quantitative polymerase chain reaction was performed to detect the expression of miR-149 on prostate car-cinoma tissues and paraneoplastic tissues. The PC3 and DU145 cells were transfected with miR-149 mimics and negative controls. The cell growth and invasion abilities were tested in terms of colony formation and via Transwell invasion assay. The cells were transfected with the siRNA of the target gene FOXM1 and siRNA control. Western blot was used to detect the expression of FOXM1. The cell colo-ny formation and invasion ability were also detected. Results:Compared with the paraneoplastic tissues, miR-149 was down-regulated in the prostate carcinoma tissues (P<0.01), and the FOXM1 mRNA was highly expressed (P<0.01). PC3 and DU145 cells with miR-149 mimics had only a few colonies and invading cells (P<0.01). Moreover, PC3 (P<0.01) and DU145 (P<0.05) with miR-149 mimics had a low protein level of FOXM1. The FOXM1 expression was knocked down by the siRNA of FOXM1 in the PC3 and the DU145 cells (P<0.01). The knocking down of FOXM1 resulted in an inhibition of the cell colony formation and invasion abilities (P<0.01). Conclusion:The miR-149 inhibits prostate carcinoma cell growth and invasion by suppressing the FOXM1. Our data suggest that miR-149 may function as an effective tool for the molecular treatment of prostate cancer.

The causes of transient ischemic attack (TIA) are diverse and complex.It often attacks repeatedly and its early risk of stroke is high.Identifying etiology and pathogenesis and start the correct treatment in time are the important measures for the prevention of cerebral infarction.However,the conventional CT and MRI reveal no abnormalities in patients with TIA,and it brings difficulties to the clinical diagnosis and treatment.CT perfusion imaging can reflect abnormal cerebral blood flow perfusion in patients with TIA.CT perfusion imaging in combination with CT angiography may visually display its corresponding abnormal changes in the feeding artery and provide the valuable diagnostic information for the location of vascular stenosis,severity,plaque characteristics and collateral circulation.It has very an important significance for guiding clinicians to choose the best treatment options,improve clinic efficiency and observe efficacy.

Objective:To analyze the causes of microbial contamination in methadone hydrochloride oral solution used for the ma-intenance treatment of heroin addict in Guangxi and propose the relative countermeasures. Methods:The samples of methadone hydro-chloride oral solution were obtained from 10 maintenance treatment clinics, and then the microbial limit test and identification were per-formed,the content of preservative was detected and the relationship between the preservative content and microbial contamination was studied. Results:The total number of aerobe in the samples of methadone hydrochloride oral solution from the 10 clinics was all over the standard limit value of 100 cfu·ml-1 ,and the main contaminating germ was Burkholderia cepacia. The contents of sorbic acid were 78. 2％-98. 3％,the four batches with the lowest concentration of preservative were detected with higher total number of aerobe. Con-clusion:The microbial contamination in methadone hydrochloride oral solution from the 10 maintenance treatment clinics is severe,and the environment of medicine packaging, content of preservatives, packaging machine and storage conditions are the primary causes for the microbial contamination. To ensure drug quality safety, it is suggested that the environment cleanliness of medicine packaging be improved, suitable content of preservatives be added, packaging machine be clean, the products be stored in shade and the quality be tested regularly.

To improve the quality of health care by improving the quality of residency training,the Accreditation Council for Graduate Medical Education of USA has renewed the standards and methods of residency training to improve health care,and issued the compe- tence-based training standards. The residents have to achieve six key competences when they finish the training. The University of Washington,School of Medicine,responds to the new re- quirements and standards by reforming its residency training pathway,enriching formal teach- ing/training activities,and improving its supervision and the evaluation. We should use for refer- ence reforming the residency training in China.

Objective To explore the efficacy of low -frequency repetitive transcranial magnetic stimulation (rTMS)and setraline in treating Parkinson's disease patients with depression.Methods 80 cases of Parkinson's dis-ease with depression were randomly divided into the study group(administered with rTMS and setraline)and the con-trol group(administered only with setraline)according to random number table,40 cases in each group.Hamilt De-pression Rating Scale(HAMD),Unified Parkinson's Disease Rating Scale(UPDRS)and Treatment Emergent Symp-toms Scale(TESS)were assessed before treatment and 1,2,4 weeks after treatment.Results The scores of HAMD and UPDRS in the study group were lower than those in the control group[the score of HAMD at 2nd week in the study group was (18.44 ±5.56 )points,the score of HAMD at 4th week in the study group was (10.51 ± 4.27)points,the score of HAMD at 2nd week in the control group was (21.23 ±5.18)points,the score of HAMD at 4th week in the control group was (14.05 ±4.10)points,t2w =-2.322,t4w =-3.782,all P <0.05],and the score of UPDRS at 2nd week in the study group was (30.14 ±4.92)points,the score of HAMD at 4th week in the study group was (28.39 ±3.38)points,the score of UPDRS at 2nd week in the control group was (33.74 ±4.87)points, the score of HAMD at 4th week in the control group was (31.09 ±3.94)points (t2w =-3.289,t4w =-3.290,all P <0.05),while the effective rate of the study group(77.5%)was significantly higher than that in the control group (45.0%)(χ2 =4.450,P <0.05 ).Conclusion The efficacy of rTMS combined with setraline for Parkinson 's disease with depression is superior to that of using setraline alone.

Cholangiopancreatography, Endoscopic Retrograde ; Cholangiopancreatography, Magnetic Resonance ; Endosonography ; Humans ; Lymph Node Excision ; Neoplasm Staging ; Pancreatectomy ; methods ; Pancreatic Neoplasms ; diagnosis ; pathology ; surgery ; Tomography, X-Ray Computed ; methods