Objective To probe the application and values of multilayer spiral CT three -dimensional recon-struction of post-processing in the diagnosis of bone tumor images .Methods 54 bone tumor patients in our hospital from August 2013 to August 2014 were taken as research objects and they were randomly into two groups with same members.Patients in observation group were conducted with multilayer spiral CT three -dimensional reconstruction diagnosis while patients in control group were conducted with MRI diagnosis .The diagnosis Results were analyzed . Result Diagnosis effective rate in observation group was 85.2%, with 59.3%in control group.Differences were evi-dent ( p<0.05) and had statistical significance .Conclusion Applying multilayer spiral CT three -dimensional re-construction of post-processing in diagnosis of bone tumor can improve diagnosis accuracy rate , and correctly judge disease extents , which can provide effective gist for clinical treatment .

Objective To investigate the pathophysiological changes in irradiation-induced heart injury in rats in order to provide preventive and therapeutic strategies for irradiation-induced heart disease(RIHD).Methods Experiments were performed using female Wistar rats with body weight of approximately 220g.12 female Wistar rats were randomly assigned to two groups(sham-irradiated group and irradiated group).Heart of rats was locally irradiated with 60Co ?-ray at a dosage of 20 Gy.During the post-radiation period,the intake of food and activities of the animals were observed daily and the body weight was recorded monthly.On the 120th day after irradiation,myocardial perfusion was tested using real time myocardial contrast echocardiography(RTMCE).On the 180th day after irradiation,the hearts were isolated from the rats of the both groups,and they were perfused with a Langendorff apparatus.Hemodynamic measurements,including peak systolic LV pressure(LVSP),maximal rate of LV pressure rise(LV dp/dtmax)and fall(LV dp/dtmin)were studied.Then the hearts were examined pathologically with HE staining.Results Animals irradiated with single dose of 20Gy locally were apparently in a good condition during the observation period of 180 days.No differences in food intake,physical activities and body weight were observed between irradiated and control animals.However,myocardial blood velocity(beta)of irradiated rats was significantly lower than that of sham irradiated group(P

Objective:To explore the clinical features of subtyp es of ADHD in DSM-Ⅳ.Method:126 children fulfilled ADHD criteria of D S M-Ⅳ were further divided into 3 subtypes:predominantly inattentive(PI,61 cases) , predominantly hyperactive-impulsive(HI,9 cases)and combined type(CT,56 cases).C om orbid mental disorders were compared among the three groups.Parents and teacher s of children in each group completed CBCL(child behavior checklist)and TRF(teach er's report form).CWISC(Wechsler intelligence scale for children,Chinese versio n )and attention tests were also applied in each group.Results:Childr e n in CT group had more conduct disorder,more externalizing,delinquent and aggres sive behaviors rating by parents and teachers,and more inattentive than children in PI group.School performance of children in PI group was better than that of the other two groups evaluated by teachers.Conclusion:ADHD CT subty pe had highest rate of comorbid conduct disorder.They have more externalizing b ehavior,more academic problems and more inattentive.This subtype may be the mos t impaired subtype.

Objective To know the master condition about sexual knowledge in female workers in Dongguan, and then carry out certain effective community nursing intervention to populize the related knowledge in female workers. Methods Divided 3000 femle workers with 18-35 years old who had selected in 9 factories in Dongguan into the DV group and the teacher education group randomly, there were 1500 cases in each group. Video displaied was used in the DV group in certain propert time, teacher education about sexual knowledge was used in the teacher education group, compared the master condi-tion of sexual knowledge before and after the interventioni by questionnair in the two groups respectively, and then summarized the results. Results There were no significant differences between the two groups about sexual knowledge before the intervention, while after the intervention, the master conditon of sexual knowl-edge in the DV group were better than those of in the teacher education group. Conclusions Video dis-play is a kind of saving, effectiveness, open-end and circular mode for female workers to pepulize sexual-related knowledge, which should be ranging used.