Objective To summarize and evaluate the clinical feature and misdiagnosis of pulmonary granulomatosis with polyangitis (GPA).Methods The clinical data of 47 patients of pulmonary GPA were analyzed retrospectively.The clinical feature and misdiagnosis were summarized.Results These patients were most commonly misdiagnosed as pulmonary infectious disease (61.8％,34/55) and pulmonary malignancy (27.3％,15/55) was the next in line.70.2％(33/47) patients had nose and sinus involvement,40.4％(19/47) patients had kidney involvement,25.5％ (12/47) patients had rash,19.1％(9/47) patients had eyes involvement,6.4％ (3/47) patients had peripheral neuritis,6.4％ (3/47) patients had gastrointestinal bleeding,4.3％(2/47) patients had pericardial effusion,87.2％(41/47) patients had positive for antineutrophil cytoplasmic(cANCA),76.6％(36/47) patients had positive for proteinase-3.Conclusions Almost all pulmonary GPA patients have extra-pulmonary multi-systemic involvement.They are often misdiagnosed as pulmonary infectious diseases and malignancy.Educating doctors on GPA constantly and screening possible patients with cANCA testing may help reduce the misdiagnosis.

Objective To establish radioiodine therapy in nonthyroid tumor and to investigate 131Ⅰ treatment effect on xenografted ovarian cancer. Methods Based on previous test, xenografted ovarian cancer nude model were established in nude mice. The effects of radioactive isotope 99m TcO-4 imaging and radioiodine 131Ⅰ treatment on xenografted ovarian cancer in vivo were investigated. Results After transferring human sodium/iodide symporter (hNIS) gene, the xenografted ovarian cancer in nude mice was imaged by isotope 99m TcO-4 Moreover,131Ⅰ exerted inhibitory effect on the proliferative activity. Conclusion After the transfection of hNIS gene, 131Ⅰ has inhibitory effect on proliferative activity of xenografted ovarian cancer.

Objective To investigate calcineurin signaling pathway which mediates myocardium apoptosis of right heart in rats with chronic hypoxia and the potential mechanisms of it.Methods A rat model of right ventricular hypertrophy(RVH) was established induced by chronic hypoxia(95-105 mL?L-1 O2).Used randomized block design based on different brood,30 rats were divided into 3 groups:treatment group with cyclosporine A(CsA,10 mg?kg-1?d-1,intraperitoneal injection),chronic hypoxia group,normal control group(with normal oxygen).The rats in CsA treatment group and chronic hypoxia group were exposed to normobaric chronic hypoxia(95-105 mL?L-1 O2,21 days).Apoptotic index(AI),calcineurin A?(CnA?) mRNA levels,Bcl-2 mRNA levels and the protein expression levels of CnA?,nuclear factor 3 of activated T cells(NFAT3) and Bcl-2 in right ventricle were investigated.Results 1.The AI of treatment group with CsA was higher than that in chronic hypoxia group(P

Objective: To study the effects of long chain PUFA, AA and/or DHA on the fatty acid composition, growth and development of the newborn rats hippocampal neurons in culture. Methods: The primary culture of the hippocampal neurons was carried out in vitro by using serum free medium and supplementing 4 ? mol/L AA, DHA, or AA and DHA, of which the total concentration were 4 ?mol/L, the ratios of AA∶DHA from 1∶2 to 16∶1, in medium. The hippocampal neuronal fatty acid composition was analyzed by gas chromatogram, and the neuronal size and length of hippocampal neurite were measured by image analysis. Results: There were significant positive correlations between the ratios AA∶DHA in medium and the AA percentage and the ratios AA∶DHA in hippocampal neurons. The soma area? body maximum? minimum diameter and process length of hippocampal neurons in the group, which the total concentration of AA and DHA was 4 ?mol/L, and the ratio AA∶DHA in medium was 2∶1 or 4∶1,were higher significantly than other groups and groups with other ratios of AA∶DHA. Conclusion: AA and DHA could promote the growth and development of hippocampal neurons in culture..

Background The establishment of diabetic animal model is a crucial step for the study about diabetic eye diseases. At present,the main modeling method include the injection of streptozotocin and alloxan. But the shortcoming of the former is an expensive price, and that of the later is high death rate of animals. Objective This experiment was to discuss the way which decrease the death of alloxan-injected animal and explore the effects of high blood glucose on the posterior capsular opacification (PCO). Methods Forty clean healthy male New Zealand white rabbits were randomly divided into 2 groups. 90mg/kg of alloxan were injected via ear vein once in 20 rabbits to create the diabetic animal models,and the equivalent amount of normal saline solution was injected at the same way as normal blood glucose group. The successful models were selected in the animals with the blood glucose level over 12. 0 mmol/L two weeks later, and PCO of lens were graded based on the method of Odrieh under the slit lamp. Extracapsular lens extraction was then performed on the right eye of rabbits in both groups, and the posterior capsules were obtained from these eyes at the 6th, 10th and 14th days after operation. The expression of proliferating cell nuclear antigen ( PCNA ) in posterior capsular lens epithelial cell was detected by immunohistochemistry. Results The modeling successful rate was 70% after injection of alloxan. The body weight of rabbits in high blood glucose group was significantly lowed and the blood glucose was significantly elevated in comparison with normal blood glucose group ( all P<0. 05). Two weeks after surgery ,2 eyes occurred 2 grade of PCO and only one eye showed the 1 grade of PCO in the high blood glucose group. However, 1 grade of PCO was found in 3 eyes in the normal blood glucose group. Biopsy revealed that PCNA was positively expressed in the cell nuclei of LECs in high blood glucose group rather than the normal blood glucose group from the 10th day after surgery. The proliferation index of PCNA was 0. 86±0. 04 and 0. 25±0. 03 respectively in high blood glucose group and normal blood glucose group, showing a significant difference between them (t = -16. 171 ,P = 0. 000). Conclusion Stable diabetic models of rabbits can be created by intravenous injection of 90 mg/kg alloxan. High blood glucose level is one of the important factors for the development of PCO.

Objective:To evaluate the effect of short-time group psychological guidance on mental quality of college students. Methods:Designed the content of one day's psychological coach.600 college students received psychological coach successively.60 students were randomly chosen as the intervened group,who were treated with one-day group psychological guidance,while 60 students,who never attended the group psychological guidance,were chosen as control.Assessed and compared the mental quality of the intervened group and the control group with the Faith in People Scale (FPS),Personal Evaluation Inventory (PEI),Self-Rating Anxiety Scale(SAS),Self-Rating Depression Scale (SDS) on the day before or 1 and 12 weeks after coach.Results:There were no significant differences of the scale of FPS,PEI,SAS,and SDS between two groups before coach and there were significant differences between two groups after coach.Conclusion:Short-time group guidance is helpful to developing college students' ability in interpersonal contact and self-confidence and improving depression and anxiety.

Objective To observe the effects of simplified recipe ofBuyang Huanwu Decoction on expression of APJ in the brain of local cerebral ischemia rats;To discuss its mechanism of action. MethodsFocal cerebral ischemia rat models were established by middle cerebral arterial occlusion. The adult rats were randomly divided into sham-operation group, model group,Buyang Huanwu Decoction group and simplified recipe ofBuyang Huanwu Decoction group. Administration groups were given relevant medicine for gavage. The expressions of APJ protein and APJ mRNA at different time points were detected by Western blot and RT-PCR.ResultsCompared with model group and sham-operation group, the expression of APJ protein and APJ mRNA at different time points in Buyang Huanwu Decoction group and simplified recipe ofBuyang Huanwu Decoction group significantly increased (P<0.05). The expression of APJ protein at different time points showed no difference between simplified recipe ofBuyang Huanwu Decoction group andBuyang Huanwu Decoction group;while the expression of APJ mRNA in simplified recipe ofBuyang Huanwu Decoction group was higher than Buyang Huanwu Decoction group (P<0.05).ConclusionSimplified recipe ofBuyang Huanwu Decoction plays a role in neural protection and restoration by promoting the expression of APJ in the brain of focal cerebral ischemia rats.

Course teaching for international students in many domestic universities is in English.Some practice and experience of the department of nuclear medicine in Tianjin medical university are introduced from the aspects of teaching course,concerning preparations before class,teaching process and teaching techniques,which will give references to nuclear medicine teaching for international students.

Objective To observe dopamine transporter (DAT) binding capacity using 99Tcm-TRODAT-1 in drug-naive patients with Tourette's syndrome (TS) on SPECT imaging, and explore possible correlations between 99Tcm-TRODAT-1 uptake ratio and TS patient's age, disease duration, and tic severity.Methods Eighteen drug-naive TS patients, male 14, female 4, as well as 8 age- and gender-matched healthy subjects were recruited. Brain SPECT imaging was performed 2. 5 h after intravenous injection of 11.1 - 14.8 MBq/kg 99Tcm-TRODAT-1. ROI was drawn on the striatum including its sub-regions of caudate and putamen, with cerebellum as the background. Striatum/cerebellum ratio was calculated. Comparisons of the ratios between TS patients and controls were carried out by independent-sample t-test. Pearson correlation analysis was performed between DAT uptake ratios of striatum and patients' age, disease duration, tic severity. Results Compared with the control, higher symmetrically striatum uptake of 99Tcm-TRODAT-1 in TS patients was observed (2.17±0.23 vs 1.87±0.24, t =2.957, P＜0.05). Age (r= -0.320, P＞0.05)and tic severity(r = 0. 345, P ＞ 0.05) scores were not significantly correlated with specific uptake ratios measured in the striatum. But there was significant negative correlation between disease duration and the specific uptake ratios (r = - 0. 483, P ＜ 0. 05). Conclusions 99 Tcm-TRODAT-1 SPECT imaging may play an adjuvant role for initial evaluation of untreated TS.