1.Application of immunohistochemistry and its limitations in diagnosis of ovarian sex cord-stromal tumor.
Chinese Journal of Pathology 2010;39(1):62-65
12E7 Antigen
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Antigens, CD
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metabolism
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CD56 Antigen
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metabolism
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Calbindin 2
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Carcinoma, Endometrioid
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metabolism
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pathology
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Cell Adhesion Molecules
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metabolism
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Cystadenocarcinoma, Serous
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metabolism
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pathology
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Diagnosis, Differential
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Female
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Humans
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Immunohistochemistry
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Inhibins
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metabolism
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MART-1 Antigen
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metabolism
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Neprilysin
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metabolism
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Ovarian Neoplasms
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diagnosis
;
metabolism
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S100 Calcium Binding Protein G
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metabolism
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Sertoli-Leydig Cell Tumor
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metabolism
;
pathology
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Sex Cord-Gonadal Stromal Tumors
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diagnosis
;
metabolism
;
Steroidogenic Factor 1
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metabolism
;
WT1 Proteins
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metabolism
2.Effects of Psychological Stress on Peripheral Blood Lymphocyte Apoptosis and Bax,Bcl-2 Gene Expression in Rats
Jun YAN ; Ai-Guo CHEN ;
Chinese Mental Health Journal 2002;0(09):-
Objective:To investigate the effects of the psychological stress on peripheral blood lymphocytes apoptosis and Bax,Bcl-2 gene expression in rats after being given different intensity of noise stress.Methods:All 24 SD rats were divided into three groups:control,high intensity of the noise stress,middle intensity of the noise stress. The apoptosis in peripheral blood lymphocytes(PBL)of rats was demonstrated with the flow cytometer to determine the percentages of apoptosis in rat PBL,and the expression changes of related Bcl-2,Bax genes were observed by us- ing immunohistochemical method.Results:1)After high intensity of the noise stress for three weeks,the apoptosis in rat PBL increased significantly compared with the control.2)After high intensity of the noise stress for three weeks, Bcl-2 expression as down-regulation in PBL,but the B ax expression remained obviously high.Conclusion:It indi- cates that apoptosis exists in the immunocytes of rats in the course of high intensity of the psychological stress and it consists with the expression of the related regulatory genes.
3.Diagnoses on Pharmacology Cognizing Among Five-year and Three-year Systems Students
Chinese Journal of Medical Education Research 2006;0(07):-
Objective:To analyze and compare pharmacology cognizing between five-year and three-year systems students in medicine to provide materials for teaching innovation.Method:To gather feedbacks from the students and to analyze and induce the cases by EXCEL software.Results:The effectiveness of medicament is the focus.But five-year and three-year systems students concern different problems.57.1% questions raised by three-year system students are about the effectiveness and the effective factors of medicament,while 53.2% by five-year system students are about the effectiveness and the mechanism of medicament.Conclusion: There have been certain differences of pharmacology cognizing between five-year and three-year systems students.
4.Application of reflectance confocal microscopy combined with dermoscopy in assessing melanin and blood ;vessels in chloasma lesions
Chinese Journal of Dermatology 2016;49(8):591-594
Objective To investigate the morphology and quantity of melanin and blood vessels in chloasma lesions by using reflectance confocal microscopy(RCM)and dermoscopy, and to explore the relationship of melanin and blood vessels with lesion color. Methods RCM was used to evaluate the quantity and distribution of melanin in lesions of 135 patients with chloasma, and to observe the morphology of melanin and dendritic melanocytes in 54 of the 135 patients, and dermoscopy was performed to assess the quantity and morphology of blood vessels in lesions of the 54 patients. Statistical analysis was carried out by Spearman correlation analysis to assess the relationship of melanin and blood vessels with lesion color. Results Increased quantity of melanin was observed in both the epidermal layer and dermo?epidermal junction in all the 135 patients, and in only the superficial dermis in 36(27%)patients. No patients showed increased quantity of melanin in only the dermis without epidermal involvement. Among the 54 patients, there was a positive correlation between the quantity score and morphology score of melanin(r=0.73, P<0.001), between the quantity score and morphology score of blood vessels(r=0.87, P<0.001), as well as between the total melanin score and total blood vessel score(r=0.554, P<0.001). Lesion color was positively correlated with the quantity and morphology of melanin(r = 0.51, 0.39, respectively, both P < 0.05)and blood vessels(r = 0.46, 0.44, respectively, both P<0.05). Conclusions RCM and dermoscopy can be used to evaluate melanin and blood vessels in chloasma lesions. There is a positive correlation between the quantity and morphology of melanin and between those of blood vessels in chloasma lesions, and lesion color is positively correlated with the quantity and morphology of melanin and blood vessels.
5.Change of Brain Stem Auditory Evoked Potential in Newborn Infant with Hypoxic-Ischemic Encephalopathy after Hyperbaric Oxygen Therapy
Journal of Applied Clinical Pediatrics 2006;0(14):-
Objective To investigate the therapeutic role of hyperbaric oxygen(HBO) on neonatal hearing impairment induced by hypoxic-ischemic encephalopathy(HIE),by observing the brain stem auditory evoked potential(BAEP) changes of newborn infants with HIE.Methods One hundred and six cases of HIE in newborn infants(in which 82 cases were mild and 24 cases were severe) treated with HBO and conventional therapy were chosen as HBO treatment group,while other 42 cases of HIE in newborn infants(in which 38 cases were mild and 4 cases were severe) treated with conventional therapy only were served as control group.BAEP was measured at the 3rd to 7th day on patients before treatment and 42 days after birth with or without HBO therapy respectively,and the differences of BAEP changes were compared between the both groups.Results 1.In control group,the rate of abnormality was 47.4% and 31.6%,respectively before and after therapy in mild HIE cases(P=0.240),and 75.0%,50.0% in the moderate-severe HIE cases(P=0.462).2.In HBO group,the abnormal rate was 45.1% and 25.6%,respectively in mild HIE cases before and after therapy,while 75.0% and 41.7% in moderate-severe HIE cases(Pa=0.014,0.039).3.There was obvious difference between control group and HBO group in mild HIE cases(P=0.013),while there was no significant change between the 2 groups in moderate-severe HIE cases(P=0.717).Conclusions Treatment with HBO combined with conventional therapy may improve the abnormal rate of BAEP in patients with HIE according to the present test,especially in mild HIE cases,thus earlier HBO therapy may be used to mitigate hearing impairment and improve prognosis induced by the disease.
7.Advances in Laboratory Diagnosis of Avian Influenza Virus
Microbiology 1992;0(05):-
Avian influenza viruses (AIV) can cause serious economic losses and threaten to human health. The laboratory methods for rapid and accurate detecting AIV ensure timely implementation of intervention strategies so that it plays a key role in avian influenza prevention and control. The laboratory technologies for detecting AIV are topic subject and developed quickly those days. This paper reviews the advances of laboratory diagnosis technologies for AIV at 3 aspects of virus isolation, immunoassay and molecular diagnostics.
8.Investigation of Reticulocyte Haemoglobin Content of 6 0 0 Cases of Healthy Adults in Longhua Area of Shenzhen
Journal of Modern Laboratory Medicine 2014;(5):37-39
Objective To establish healthy adults in shenzhen longhua district reticulocyte red blood cell hemoglobin content of normal reference value range (CHr),and analyze its clinical significance.Methods By Sysmex XN-9000 automatic blood cell analyzer to detect CHr content in the blood,and 600 healthy adults to establish CHr reference range.At the same time detection of 40 patients with iron deficiency anemia (IDA)CHr content in the blood to contrast analysis.Results 18~30, 31~40,41~50,51~60 and >60 years old healthy male and female CHr content in the blood,respectively 36.35±3.26 pg and 33.95±2.81 pg,36.02±3.01 pg and 34.15±3.14 pg,36.41±2.76 pg and 34.21± 2.67 pg,35.96±3.06 pg and 33.83±3.04 pg,36.09±2.86 pg and 34.10±2.89 pg,with gender differences between different age groups had no statisti-cal significance (t=1.34~1.82,P>0.05),the difference was statistically significant between different genders is the same age group (t=4.62~5.26,P< 0.05).CHr levels in both men and women respectively reference range 36.12±3.16 pg and 34.05±2.94 pg,men than women,the results between the difference was statistically significant (t=6.792,P<0.05).Pa-tients with IDA CHr levels in both men and women,respectively 24.72±3.91 pg and 22.63±3.76 pg,significantly lower than healthy people,the results between the difference was statistically significant (t=11.29~13.02,P<0.01).Conclusion Shenzhen longhua area different gender differences between healthy adults of CHr content reference interval,men than women.IDA patients serum CHr significantly lower than the general population.Therefore,the establishment of different gender healthy adults of CHr content reference interval,diagnosis,differential diagnosis,curative effect judgment of anemia and early monitoring the extent of the hematopoietic function recovery has important clinical value.
9.Sclerotherapic effects of different concentrations of lauromacrogol on endometrial cyst models in rats in two retention ways
Jun ZHOU ; Junjie CHANG ; Ting AI
Chinese Journal of Ultrasonography 2015;(4):347-350
Objective To compare the sclerotherapic effects of different concentrations of lauromacrogol on endometrial cyst models in rats in two ways :10 minutes retention with extraction and retention without extraction .Methods Ninety SD rats after modeling were randomly divided into three groups :group A ,10 minutes retention with extraction;group B ,retention without extraction;group C , normal saline .While both A and B group were randomly divided into four subgroups with different concentrations :1% ,0 5.% ,0 2.5% ,and 0 1.25% . Seven days after treatment the cure rates and histopathological changes were observed .Results Cure rates in group A were 86 7.% ,71 4.% ,50% and 20% ;in group B were 100% ,100% ,87 5.% and 37 5.% .In both A and B groups ,the cure rates were not significantly different between 1% ,0 5.% and 0 2.5% concentration subgroups ( P >0 0.5) ,the cure rates of these subgroups in group B had statistical significance with 0 1.25% concentration subgroups and the saline control group( P <0 0.5) ,but there were no significant difference between 0 2.5% and 0 1.25% concentration subgroups in group A .Compared the differences of the cure rates among the same concentration subgroups , it had no statistical significance in groups A and B of 1% and 0 1.25% concentration subgroups( P >0 0.5) , but between 0 5.% and 0 2.5% concentration subgroups ,it had statistical significance( P <0 0.5) .Conclusions It will be conductive to enhancing the sclerotherapic effect if the lauromacrogol concentration remains above 0 2.5% and does not be extracted from the cyst models .
10.Preoperation concurrent radiation therapy and chemotherapy for operable bulky carcinomas of uterine cervix stagesⅠandⅡwith proximal parametrial invasion
Ai-Jun YU ; Yue YANG ; Ping ZHANG ;
Cancer Research and Clinic 1997;0(03):-
Objective To investigate the feasibility and efficacy of combined preoperative chemora- diation program followed by radical surgery in bulky early or moderate uterine cervical cancer.To determine the incidence and predictive value of rasidual disease in the radical hysterectomy specimens after CCR. Methods Thirty-five patients with uterine cervix carcinoma from January 2001 to September 2003 were treated with preoperative external beam radiotherapy to 3060 cGy in 4 weeks.Patients received concurrent continuous infusion cisplatin(20 mg/m~2)on day 1,8,15,22 of four weeks and 5-Fu(4 g)chemotherapy during the first four days and the last four days of the radiation course.Radical surgery was not performed until 4 weeks after the completion of the preoperative treatment.Results Clinical response was 85.71%,complete response,54.29 %;partial response,31.43 %.The analysis of the surgical specimens showed 19 patients had revealed residual disease and 16 patients had revealed no residual disease,the complete pathological response hed been 45.71%.Three-year survival rate was 87.14 % in 35 patients.Three-year survival rate of residual disease patients(76.32 %)was significantly lower than that of no residual disease(100.0 %)(P=0.0358). Three-year survival of cervical stromal invasion less than 1/2 and invasion extra stromal was 100.0 %, 41.67 % respectively(P=0.0109);three-year survival of lymph-vascular space involvement and no lymph- vascula space involvement was 0,85.29 %,respectively(P=0.0148).Conclusion Combined preoperative chemoradiation program followed by radical surgery in bulky early or moderate cervical cancer could reveal an effective efficacy with a tolerant complication.Residual disease is an independent and strong predictive factor.