Our experiments have shown that bee venom possesses effects of significantly increasing the fluidity of erythrocyte membrane,markedly decreasing the whole blood and plasma viscosities,accelerating erythrocyte microelectrophoresis speed and reducing erythrocyte rigidity index in rabbit. The results showed that bee venom can markedly change some of the parameters of hemorrheology,and possess certain effects in promoting blood circulation to remove blood stasis.

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Objective To explore the conventional MRI,diffusion-weighted imaging (DWI)characteristics and the pathological basis of angiomatous meningioma.Methods The conventional MRI,DWI and pathological manifestations of 7 cases with angioma-tous meningioma confirmed by surgery and pathology were analyzed retrospectively.The apparent diffusion coefficient (ADC)value of the tumors and contralateral normal brain parenchyma were measured and compared with each other.Results Among the 7 ca-ses,5 cases were in the convexity of brain (4 cases in the frontal part and 1 case in the parietal part),and 2 cases in the parasella. 6 cases showed hypointense on T1 WI and hyperintense on T2 WI,and 1 case showed isointense on both T1 WI and T2 WI.The necro-sis within the tumor was seen in 2 cases.The flowing void phenomenon was seen in 6 cases.The significant peritumoral edema was seen in 5 cases on FLAIR.Significant enhancement on contrast-enhanced T1 WI was seen in all the cases.The average ADC value of the tumors (1.35×10 -3 mm2/s)was significently higher than that of the contralateral normal parenchyma (0.92 × 10 -3 mm2/s) (t=7.21,P <0.01).Mature vessel component was seen on pathological section in all the cases.For immunohistochemically analy-sis,the expression of vimentin (Vim)was positive in 6 cases and scattered positive in 1 case.The expression of epithelial membrane antigen (EMA)was positive in all the cases.Conclusion The MRI features of angiomatous meningioma are closely correlated with rich blood vessels.The ADC value of the tumor is higher than that of the contralateral parenchyma,which is helpful for the diagno-sis.

BACKGROUND: Saving the humeral head is a challenge when the proximal humerus is fracture in orthopedic trauma, and how to obtain medial column support is a hot topic in recent years. OBJECTIVE: To summarize the general concept, clinical significance and function, the common injury mechanism of humeral calcar, and the progress using locking plate so as to improve the clinicians' understanding for the humeral calcar and to reduce the occurrence of surgical complications. METHODS: From 2004 to 2019, Wanfang, CNKI, VIP, PubMed, Web of Science, and Springer Link about the treatment and research progress of proximal medial wall of the humerus were searched by the first author. The key words were "proximal humeral fracture, Philos, intermedial screw, calcar screw, fibular allograft, middle support" in English, and "proximal humeral fracture, humeral spur, medial column, plate, fibular allograft" in Chinese. The references were retrieved by hand. Finally, 51 studies were used for review according to the inclusion and exclusion criteria. RESULTS AND CONCLUSION: (1) The range of the humeral calcar region is still unclear. There is no uniform classification standard for fractures involving the humeral calcar region. X-ray films show that calcar fracture patterns are often inconsistent with the actual fracture situation, which is often a complex fracture. Lack of understanding and paying litter attention to the humeral calcar region is the main reason of iatrogenic injury and the failure to get a good repair. (2) Treatment using the locking plate is still the preferred method for proximal humerus fracture. Meanwhile, it is a feasible method that using the screw, the allogeneic iliac bone graft, the bone cement or the medial plate to reconstruct the medial column if there is a "repairable medial wall". Getting anatomical reduction of the internal wall and effective support of the medial column during operation can help to reduce postoperative complications. However, the use of the medial buttress plate requires further research to verify. It is critical important to repair the rotator cuff for the medial column support. (3) The range of the humeral calcar region needs to be unified. Understanding the humerus calcar is essential for the treatment of proximal humeral fracture. Only by mastering the fracture mode of the humerus calcar and choosing the most appropriate surgical procedure before surgery, meanwhile, achieving anatomical reduction of the medial wall and the effective support of the medial column during operation can reduce the postoperative complications of the fracture. Repairing of the rotator cuff carefully during operation is indispensable for patients to obtain better shoulder function.

Objective To explore the expression of cell apoptosis regulatory elements in esophageal canceration course. Methods 60 specimens of esophageal carcinoma and corresponding adjacent no cancerous tissue were detected quantitatively by propidium iodide(PI) stain and indirect immunofluorescence of fluorescein isothiocyanate(FITC) using flow cytometry(FCM) equipment. Results Expression of bcl-2 and c-FLIP in esophageal carcinoma was significantly higher, and Fadd, Caspase-8 and Caspase-3 were significantly lower than that in adjacent tissues (P <0.01). There was positive correlation between Fadd and Caspase-8 gene (P <0.01 or P <0.05). The expression of Fadd was positively correlated to Caspase-8. Comparing with normal epithelium and dysplasia tissue, DNA content and heteroploid cells were increased significantly in esophageal carcinoma. Conclusion During the esophageal canceration course, expressions of relevant cell apoptosis regulatory elements were abnormal. DNA content and heteroploid cells were increased significantly in esophageal carcinoma.

BACKGROUND:Spinal canal decompression and fusion combined with pedicle screw fixation has become the main method for the treatment of thoracolumbar fracture and dislocation. OBJECTIVE:To restore the vertebral height of the patients with thoracolumbar fracture and dislocation who underwent subtotal resection and decompression through titanium cage packed with autologous cancel ous bone and pedicle screw fixation. METHODS:Thirty-one patients with thoracolumbar fracture and dislocation treated in the Shanghai 6th People’ s Hospital of Shanghai Jiao Tong University from February 2007 to September 2011 were selected. Al the patients received subtotal resection, spinal canal decompression and titanium cage packed with autologous cancel ous bone and pedicle screw fixation. Imaging examination was performed before and after treatment to observe the recovery of vertebral sequence, vertebral height and Cobb angle, as wel as the recovery of nerve function. RESUTLS AND CONCLUSION:The patients were fol owed-up for 12 months, and al the patients healed wel after treated with titanium cage packed with autologous cancel ous bone and pedicle screw fixation, and there was no loosening, shedding or breakage after pedicle screw fixation. During reexamination, the grafts fusion, good deformity correction, basic recovery of vertebral height and good recovery of Cobb angle were observed. Seven cases had neurological function recovery, and among them, six cases raised for one degree, one case raised for two degrees, and another 22 cases without recovery. Case analysis and relative researches showed that subtotal resection and decompression and titanium cage packed with autologous cancel ous bone and pedicle screw fixation can reduce the loss of correction of the patients with thoracolumbar fracture and dislocation, restore the vertebral height, and enhance the stability of the vertebral body.

Objective To investigate the clinicopathologic and immunohistochemical features of gastric stromal tumors.Methods A total of 105 cases with gastric stromal tumors were included in the study.The expression of cluster of differentiation 117 (CD117),cluster of differ entiation 34 (CD34),smooth muscle actin (SMA),S-100 protein and Ki-67 in gastric stromal tumors specimens was detected by immunohistochemistry.The clinico-pathologic features of gastric stromal tumors were also analyzed.Results Of 105 gastric stromal tumors specimens,90 were positive for CD117 [85.7 ％ (90/105)],98 positive for CD34 [93.3 ％ (98/105)],21 positive for SMA [20.4 ％ (21/105)],60 positive for Ki-67 [56.1％ (60/105)],13 positive for S-100 [12.4 ％ (13/105)].Conclusion Combined detection of CD117 and CD34 can improve the diagnostic accuracy of gastric stromal tumors.The expression of Ki-67 can be used as a prognostic parameter for gastric stromal tumors as it is correlated with tumor size,risk and mitotic.

Doctor-patient relationship is a special relationship between people in special circumstances during a special peri -od, which is directly related to the harmony and stability of society as well as people's quality of life.Values are the fundamental views of people, including the understanding of the nature , composition and standards of values .Doctors and patients are consistent in goals , interests and ideals , having the same objectives to overcome diseases , promote health , and prolong lives .They are essentially unified in values.However, there are some inharmonious phenomena in the relationship between doctors and patients .Efforts should be made to improve the present doctor-patient relationship by the whole society besides doctors and patients , aiming to establish a harmonious doctor-patient relationship of mutual respect , mutual trust , mutual tolerance and mutual cooperation on the basis of common values .

Objective:To explore the relationship between coronary slow flow (CSF) and vascular inflammatory fac-tors .Methods :A total of 229 inpatients with normal coronary angiography (CAG) results were selected as research object .According to CAG TIMI flow and corrected TIMI frame count ,patients were divided into CSF group (n=102 ,no obvious lesion in epicardial coronary artery but coronary flow was slow ) and normal coronary group (n=127 ,completely normal epicardial coronary artery and blood flow ) .General clinical data were collected ,vascular inflammatory factors were measured and their relationship with CSF was analyzed .Results:Compared with normal coronary group ,there were significant rise in levels of high sensitive C reactive protein [ (1.41+0.72 ) mg/L vs . (2.82+0.58) mg/L] ,interleukin 1 [ (0.18 ± 0.05)μg/L vs .(0.26 ± 0.06)μg/L] and interleukin 6 [ (0.363 ± 0.016) ng/L vs .(0.465 ± 0.015) ng/L] in CSF group , P<0.05 all .Logistic regression analysis indicated that vas-cular inflammatory factors were risk factor for CSF occurrence (OR= 1.008 , P= 0.015 ) .Conclusion:Coronary flow velocity is closely related to vascular inflammatory factors .

At present,the commonly used tumor markers,with low sensitivity and low specificity,can 't achieve the purpose of early diagnosis.However,autoantibodies against tumox-associated antigens have been detected in the asymptomatic stage of cancer and thus can serve as biomarkers for early cancer diagnosis.Moreover,due to autoantibodies are found in sera,they can he screened easily using a noninvasive approach.The discovery of panels of autoantibodies with high sensitivity and specificity will help to improve the diagnostic and prognostic for the patients with cancer.