1.Computed tomography and magnetic resonance imaging findings of lymphoepithelial carcinoma in parotid gland: a report of 6 cases
Zuhua CHEN ; Risheng YU ; Dong TANG
Chinese Journal of General Practitioners 2015;14(3):225-228
To summarize the imaging characteristic of parotid lymphoepithelial carcinoma (LEC) by retrospective analyses of computed tomography (CT) and magnetic resonance imaging (MRI) findings for 6 cases of parotid LEC confirmed by operation and pathology and review the relevant literatures.All lesions were located in unilateral parotid.There were single (n =5) and multi-module fusion (n =1).All were located in superficial lobe of parotid gland.And deep lobe (3/6) was involved.An infiltration of casting shape was found along superficial parotid (4/6).There was an irregular margin with small spines,uniform density and signal and above moderate enhancement.An infiltration of casting shape along superficial lobe,uniform density and signal and rich blood supply suggest a diagnosis of LEC.
2.The expression of hypermethylated secreted frizzled-related protein 2 gene in eolorectal cancer
Dong TANG ; Daorong WANG ; Haifeng YU ; Yongkun LI
Chinese Journal of General Surgery 2010;25(6):480-483
Objective To analyze the relation of hypermethylated secreted frizzled-related protein 2 (SFRP2) gene in feces and peripheral blood of colorectal cancer(CRC) patient with Dukes stages and histological types,and to evaluate SFRP2 gene for screening and judging the pathogenetic condition of CRC.Methmls Methylation-specific PCR assay was performed to analyze SFRP2 gene promoter methylation status in a blinded fashion in tumor tissues,stool and pefipheral blood samples taken from 169 CRC patients,63 patients with adenoma,46 with hyperplastic polyp and 30 endoscopically normal subjects.Results SFRP2 gene Was hypermethylated in 88.2%.65.1%and 45.7% of CRC.adenoma and non-adenomatous polyp tissues,in 84.0%,46.0% and 32.6%of corresponding fecal samples,and in 66.9%,6.4%and 2.2% of corresponding peripheral blood samples,respectively.In contrast,no methylated SFRP2 gene was detected in mucosal tissues and peripheral blood of normal controls,while two cases of matched fecal samples from normal controls were detected with hypermethylated SFRP2.Moreover,no significant correlation were observed between SFRP2 hypermethylation and clinicopathological features including sex,age,size,location and Dukes stage,but there was a significant correlation between SFRP2 hypermethylation and tumor difierentiation and infiltration.SFRP2 hypermethylation in peripheral blood of CRC patients was positively correlated with the Dukes stage. Condusions Hypermethylation of SFRP2 gene in feces works as a molecular biomarker for CRC screening.The hypermethylation of SFRP2 gene is positively related with Dukes stage.
4.Digital imaging fiber optic transillumination (DIFOTI) method for determining the depth of cavity
Jiangli YU ; Rentao TANG ; Lin FENG ; Yanmei DONG
Journal of Peking University(Health Sciences) 2017;49(1):81-85
Objective:To analyze the accuracy of the digital imaging fiber optic transillumination (DIFOTI) on diagnosis of caries lesions depth using DIAGNOcam system.Methods:This experiment adopted self-matching design.Seventy-four extracted teeth (molar:sixty-six,premolar:eight) with one caries lesions in proximity which were not damaged in surface marginal ridge were selected.Dental calculus and dental stains were removed from the extracted teeth for standby application.A sign was marked in the middle of the occlusal surface edge at the side of decay.Then the teeth were fixed in the standard model of dentition and cavities were adjacent with the sound tooth surface.Sticky wax was applied to seal the level of 2 mm beyond cemento-enamel junction (CEJ) in the direction of occlusion and interproximal space to imitate gingival margin and gingival papilla.The standard models of dentition was seated in imitation head mold.The lesions depth degree was looked into and checked with DIAGNOcam system.Besides,the pictures on the occlusal surfaces were recorded and saved.The sign above could be seen on the picture.The measuring tool in DIAGNOcam system was used to measure the depth of the caries from the sign (as starting point) to the deepest point of caries in the pictures and its length was recorded for a.The line a was lengthened to the contralateral edge of occlusal surface in the photo and the length was recorded for b.A line from the marked point on the occlusal surface edge of the extracted teeth was draw parallel to the line b on the corresponding photo and its length was recorded for c.The depth of the cavities on the projected images was recorded for d,and calculated d/a =c/b (digital optical fiber measured decay depth/caries damage depth of the image =actual tooth width/tooth width of the image),and d =c/b × a inferred.At last,the teeth were taken out from the standard model dentition.The decay of the tooth was removed completely.The actual depth of the cavity was recorded for D.The difference between d and D was recorded for Δd.The software of SPSS 20.0 was used to test the consistency of the results,and the MedCalc 14.8.1.0 software was used for Bland-Altman analysis.Results:The intraclass correlation coefficient (ICC) between d and D was 0.951 (ICC > 75 %),P =0.263.There was a function relationship y =0.23 ± 0.9 1x between d (x) and D (y).Bland-Altman analysis method showed that the mean of Δd (Δd) was 0.05 mm,the standard deviation of Δd (ΔdsD) =0.308,and the 95% confidence interval was (-0.55 to 0.65).The amplitude of difference was clinically acceptable.So the consistency of the two measurement modes was high.Conclusion:There was no significant difference between the depth of caries lesions checked with DIAGNOcam system and the depth of the actual cavity,and the consistency was very good.The vitro study suggests that the DIAGNOcam system may be used to assess the depth of caries cavity as a useful tool in diagnosis and treatment.
5.Brief analysis on academic experience and characteristics of tendon trauma of SUN Shu-chun
Dongxin TANG ; Jun ZHANG ; Chun ZHANG ; Zhen WU ; Dong YU
China Journal of Traditional Chinese Medicine and Pharmacy 2005;0(12):-
SUN Shu-chun,the chief researcher,is one of the famous expert of osteo-traumatology of TCM.He makes systematic sort and study on chirismus on basis of succeeding experience predecessors and his own years of clinic experience.He is good at treating cervical syndrome with TCM chirismus,especially combine it with drugs.In osteo-traumatology academic circles,he is called "the best doctor at home".Professor SUN advocates that the rule of applying various therapies according to different conditions,combination of rigid-flexible,light,skill,gentle,harmony should be obey when we use chirismus.His diagnostic and therapeutic methods and thoughts are original and ingenious.In this article,the author analyzes the academic experience of tendon trauma of professor SUN.
6.Software design for Management Information System of Medical Materials
Liming TANG ; Chunhua YU ; Xiping JIANG ; Dong WANG ; Weijun YUAN
Chinese Medical Equipment Journal 2003;0(11):-
Objective To develop the software of Management Information System of Medical Materials.Methods Based on the platform of NET,three layers of C/S was applied in equipment & apparatus department for good operation platform,frequent data access and rapid response.Besides,the current HIS was utilized to protect the system to be extensible,easily-updated and easily-maintained.Results The application of Management Information System of Medical Materials could meet the requirement in scientific and standard supply,application and management of medical materials.The software was used in scores of hospitals with good effect.Conclusion Being able to organically integrate with other functional module,the software provides a powerful tool for the scientific management of hospital equipment.
7.Effect of Paishitang Combined with Tamsulosin Hydrochloride on Upper Urinary Calculi after Extracorporeal Shock Wave Lithotripsy
Taisheng LIANG ; Xiangdong LUO ; Gang WU ; Botao TANG ; Yu DONG
Progress in Modern Biomedicine 2017;17(23):4491-4494
Objective:To explore the clinical effect ofpaishitang combined with tamsulosin hydrochloride on the patient with up per urinary calculi after extracorporeal shock wave lithotripsy (ESWL).Methods:120 cases with upper urinary calculi in our hospital from January 2015 to September 2016 were selected and divided into two groups according to the random number table,60 cases in each group.ESWL was given to both groups of patients and provided with tamsulosin hydrochloride postoperation,then paishitang were additionally given to the patients in the observation group.The clinical effect and changes of serum creatinine (Scr),neutrophil gelatinase as sociated lipocalin (NGAL),cystatin C (Cys-C) and glomerular filtration rate (GFR) levels before and after treatment were compared between two groups.Results:The total effective rate of observation group was 96.67%,which was 86.67% in the control group,no signifi cant difference was found in the total effective rate between the two groups(P<0.05).The stone discharge rate was 95.00% in the observation group,which was significantly higher than that of the control group (P<0.05);the incidence rate of renal colic was 6.67%,which was significantly lower than that of the control group(P<0.05),the stone discharge time and the duration of hematuria were significantly shorter than those in the control group (P<0.01).There was no significant difference in the recurrence rate between the two groups within one year (P>0.05).The serum NGAL and Cys-C levels of both groups were gradually increased while the GFR levels were gradually decreased on the 1st,2nd day postoperation,but all the index mentioned above gradually recovered on the 3rd day postoperation.The levels of NGAL and Cys-C in the observation group were significantly lower than those in the control group on the 1st,3rd day postoperation while the GFR was significantly higher in the observation group than those of control group on the 1st,3rd day postoperation(P<0.01).No significant difference was found in the Scr at different time points postoperation between two groups(P>0.05).Conclusion:Paishitang combined with tamsulosin hydrochloride had significant clinical effect on thpatient with upper urinary calculus after ESWL and could effectively improve the renal injury induced by ESWL.
8.NOD-like receptor pyrin domain containing 3 inflammasome and myocardial ischemia-reperfusion injury
Bo DONG ; Shenghua ZHOU ; Siyang YU ; Liang TANG
Journal of Central South University(Medical Sciences) 2017;42(7):848-853
Myocardial ischemia-reperfusion injury (MI/RI) is an inflammatory cascade process involving the interaction of multiple factors.In recent years,more and more evidence suggests that NOD-like receptor pyrin domain containing 3 (NLRP3) inflammasome,an important component of the innate immune system,is closely associated with the inflammatory damage of MI/RI.Furthermore,blockage of NLRP3 inflammasome or the release of its downstream pro-inflammatory cytokines may provide new therapeutic targets for this disorder.
9.Clinical value of transvaginal Doppler ultrasound in diagnosing ectopic oviduct-pregnancy
Yun TANG ; Cheng TANG ; Zhen HUANG ; Hongshen DONG ; Maoen DENG ; Yuhua YU ; Haoliang HUANG
Chinese Journal of Primary Medicine and Pharmacy 2009;16(3):472-473
Objective To explore clinical value of transvagiTIa ultrasound in diagnosis of cctopie oviductpregnancy.Methods EUB-2000 ultrasound diagnosis meter was used,the vagina probe head frequency is 5~10MHz,after the vagina to the womb,the double-side ovary,the double side oviduct and its periphery organizes to carry on omni-direetionally sweeps looks up.Results Transvagina ultrasound diagnosis ectopic pregnancy center oviduct pot abdomen pregnancy 158 cases,the oviduct canyon department 4 cases,between the oviduct the nature department pregnancy 2 cases,all pass through the cefioseope of our hospital.Coincidence rate was 100%.Conclusion Transvagina ultrasound diagnosis ectopie pregnancy is one of most accurate ultrasound diagnosis methods presendy,suggested various basic units hospital widely develops.
10.Clinical efficacy and safety of catheter ablation for atrial fibrillation in elderly patients
Jing DONG ; Jianmin TANG ; Peng LIU ; Ronghui YU ; Deyong LONG ; Ribo TANG ; Jianzeng DONG ; Xingpeng LIU ; Changsheng MA
Chinese Journal of Geriatrics 2013;(3):241-245
Objective To evaluate the clinical efficacy and safety of catheter ablation for atrial fibrillation in elderly patients.Methods From September 2008 to October 2011,a total of 420 consecutive patients undergoing catheter ablation of atrial fibrillation (AF) were selected.The patients were divided into 3 age groups:30 59 yr group (n=279),60-74 yr group (n=100),and 75-87 yr group (n =41).The effect of operation and complications during operative and postoperative periods were evaluated.Patients were followed up for at least 6 months,and the rate of atrial fibrillation reocurrence and life quality were recorded.Results Among 480 catheter ablation procedures,in 7 (1.5%) patients occurred main complications,while in 5 (1.0%) patients appeared other complications.The incidence of main complications in 3 groups were 1.1% (3 patients),2.0% (2 patients) and 4.9% (2 patients) respectively,other complication rates in 3 groups were 0.7% (2 patients),1.0% (1 patient) and 4.9% (2 patients) respectively and there were no differences between groups (all P>0.05).During follow-up,the cases without AF relapse were 68.5% (191 patients),66.0% (66 patients) and 57.1% (23 patients) respectively,and the patients with AF paroxysm were 21.1% (59 patients),21.0% (21 patients),29.3% (12 patients) respectively,and there was no significant difference between groups (all P>0.05).And no difference was found in improvement degree of life quality among three groups (P>0.05).Conclusions Catheter ablation is safe and effective in elderly patients.For patients over 75 years with many types of cardiovascular diseases,catheter ablation is effective to control the relapse of AF,can significantly improve the quality of life,and has no increased risk of complications.