Purpose To study the cytopathologic features of CT-guided percutaneous lung biopsy samples and to evaluate the role of cytopathology in the diagnosis and staging of lung carcinomas, as compared to histopathology. Methods Four-hundred twenty-five specimens were collected by CT-guided percutaneous lung biopsy which were also confirmed by histological diagnosis. Direct smears were performed for each case. Cytological and histological examination was carried out. Results The sensitivity, specificity, false positive rate, false negative rate and accuracy of cytopathology in diagnosing lung carcinomas by CT-guided percutaneous lung biopsy was 86. 6% (264/305), 100% (120/120), 0 (0/120), 13. 4% (41/305), 90. 4% (384/425), respectively. Overall 51. 1%(135/264) of the cases were precisely typed, including 77. 6% (83/107) of adenocarcinoma, 76. 9% (40/52) of squamous cell car-cinoma and 75. 0% (9/12) of small cell carcinoma. Conclusions Cytopathology of CT-guided percutaneous lung biopsy specimens is sensitive and accurate for diagnosing pulmonary carcinomas. In some cases, the lung carcinoma can be precisely typed. Therefore, it is useful for diagnosing and staging lung carcinomas.

Objective To investigate the value of a new index - Tei index for estimating left ventricular global function in patients with acute myocardial infarction.Methods The study population included 95 patients with acute myocardial infarction.They were divided into two groups according to EF measured by echocardiography in apical four chamber view:one group with normal EF(EF≥50%,n=52)(group A),the other with abnormal EF(EF

Objective To analyze the characteristics of ocular symptoms of Sjgren syndrome and to examine the relation between signs and symptoms.Design Prospective case series.Participants 36 patients with Sjgren syndrome diagnosed by rheumatisms.Methods A self-designed questionnaire was used to investigate 4 symptoms of patients including dryness,grittiness,soreness or irritation,burning or watering.A series of clinic tests were completed as follows:break-up time,fluorescein corneal staining,lissamine green conjunctival staining,Schirmer I test.The positive rate of such symptoms was calculated.The consistency of the symptoms and signs were compared.Main Outcome Measures Break-up time,fluorescein corneal staining,lissamine green conjunctival staining,Schirmer I test.Results Patients with Sjgren syndrome were marked by ocular symptoms.There were efficient statistically significant correlations between grittiness and fluorescein corneal staining,lissamine green conjunctival staining,break-up time(P

Objective To explore influence of long-term inhaled glucocoticoids(IGS) on soluble intercellular adhesion molecule-1(sICAM-1)) in children with bronchial asthma.Methods Enzyme-linked immunosorbent assay(ELISA) method was used to detect the serum sICAM-1 level in 36 healthy children and 29 children with bronchial asthma(untreated and post-treated for 3,6 and 12 months).Results 1.Serum sICAM-1 level was significantly elevated in children with asthma and significantly higher than that in normal control group(P

Objective To enhance the clinical diagnosis efficiency and accuracy of diabetic retinopathy (DR) to facilitate its early finding and diagnosis.Methods Image segmentation method was used to process and analyze DR vessel.Clinical images by fundus fluorescein angiography (FFA) were used as the objects for the research on DR vessel segmentation and extraction.Results Image processing and analysis gained higher definition and accuracy in segmenting the normal retinal image and DR vessel when they were compared with the fundus image and FFA image.Conclusion The method proposed enhances the early diagnosis of DR by processing and analyzing the retinal vessel,and thus contributes to the increased living quality of the patient.

Adolescent ; Adult ; Female ; Health Education ; Health Knowledge, Attitudes, Practice ; Health Services Needs and Demand ; statistics & numerical data ; Humans ; Male ; Middle Aged ; Occupational Health ; statistics & numerical data ; Rural Population ; statistics & numerical data ; Surveys and Questionnaires ; Transients and Migrants ; statistics & numerical data ; Young Adult

Objective To investigate the effect of Kanglaite injection (KLT) on immunological function of rat models with Lewis lung carcinoma. Methods Forty C57BL/6 mice were used to establish Lewis lung carcinoma models and divided randomly into the high dose(25 mL/kg), middle dose (12.5 mL/kg) and low dose (6.25 mL/kg) of KLT groups and model group(n=10). The mice in the KLT groups were sacrificed after injecting corresponding dose of KLT with intraperitoneal injection for 14 d. No treatment was performed on the rats in model group. The body weight, tumor and spleen weight was weighed, then the ratio of tumor restriction and the index of spleen was calculated. MTT colorimetric method and ELISA were used to detected activity of T cell proliferation and expression of IL-2 in spleen. The expression of NF-κB and IκBα protein was detected by Western blot. Results The ratio of tumor restriction in the high, middle, low dose of KLT groups decreased gradually. The indexes of spleen of the high and middle dose of KLT groups were higher than those in the model group (P<0.05 or P<0.01).Compared with the model group, the activity of T cell proliferation in the high, middle, low dose of KLT groups and the expression of IL-2 in the high and middle dose of KLT groups was increased significantly (P<0.05 or P<0.01). The expression of NF-κB protein in the nuclei of high, middle, low dose of KLT groups increased dose-dependently, and the expression of NF-κB and IκBα protein in the cytoplasm decreased dose-dependently. ConclusionKLT could enhance immunological function by effecting T cell proliferation, expression of IL-2, NF-κB and IκBα, while restricting tumor growth in Lewis lung carcinoma models.

The adiponeetin mRNA expression and secretion of human omental and subcutaneous preadipocytes were increaed by renin-angiotensin system (RAS) bloekers. Compared with thiazolidinedione, RAS blockers have stronger effects on human omental preadipoeytes in adiponeetin mRNA expression and secretion,suggesting a potential benefit of RAS blockers on metabolic syndrome with characteristic intra-abdominal obesity.

Objective To investigate the effect of fusidic acid cream on inflammatory reaction caused by skin barrier damage.Methods Eight male SKH-1 hairless mice were included in this study.The back of each of these mice were equally divided into six regions measuring 1 cm × 2 cm in size,which were then assigned into six groups:blank control group remaining untreated,barrier-impaired group,barrier-impaired and fusidic acid-treated group,barrier-impaired and vehicle-treated group,barrier-unimpaired and fusidic acid-treated group,barrierunimpaired and vehicle-treated group.Stratum corneum was removed by adhesive tape stripping to establish an animal model of acute skin barrier damage in the corresponding skin regions of these mice,and fusidic acid cream or vehicle was topically applied to the corresponding regions once.Twelve hours later,skin surface swab samples were collected from the back of these mice followed by bacterial culture and colony counting.Mice were then sacrificed,and skin tissue specimens were resected from these mice,and subjected to real-time fluorescence-based quantitative PCR for the measurement of the mRNA expressions of myeloid differentiation factor 88 (MyD88),interleukin-1α (IL-1α),IL-6,epidermal antibacterial peptides S100a8 and S100a9.Statistical analysis was carried out by repeated-measures analysis of variance (ANOVA) and least significant difference (LSD) test.Results The mRNA expressions of MyD88,IL-1α,IL-6,S100a8 and S100a9 were all significantly higher in the barrier-impaired group than in the blank control group (all P ＜ 0.05).Specifically,the mRNA expression level of MyD88 in the barrier-impaired group was 8 times that in the blank control group (8.3 ± 3.0 vs.0.8 ± 0.4).Compared with the barrier-impaired group,the barrier-impaired and fusidic acid-treated group showed a significant decrease in the mRNA expressions of IL-1α (2.8 ± 0.3 vs.20.1 ± 10.0,F =47.11,P ＜ 0.01),IL-6 (1.6 ± 2.3 vs.9.4 ± 4.0,F =16.18,P＜ 0.01),S100a8 (1.5 ± 1.4 vs.5.0 ± 1.6,F=59.71,P＜ 0.05) and S100a9 (1.2 ± 0.7 vs.3.4 ± 1.6,F=21.94,P ＜ 0.05).Conlusions Fusidic acid cream could attenuate the inflammatory reaction caused by acute skin barrier damage,which might partly explain its action mechanism in the treatment of inflammatory skin diseases.

Objective To evaluate the inhibitory effect of butyl flufenamate (BT) on ultraviolet (UV)-induced acute skin phototoxic reaction,and to investigate its possible mechanisms.Methods Eight SKH-1 hairless mice were included in this study.The back of each SKH-1 hairless mouse was divided into six regions,which were then randomly classified into six groups:blank group receiving no treatment,UV group receiving UV radiation only,BT + UV group and vehicle + UV group topically treated with BT ointment and vehicle respectively followed by UV radiation,UV + BT group and UV + vehicle group topically treated with BT ointment and vehicle respectively after UV radiation.Skin samples were obtained from these mice at 24 hours after treatment.Subsequently,hematoxylin-eosin (HE) staining was performed,real-time PCR was carried out to detect mRNA expressions of caspase-3,p53,COX-2,PGER1,interleukin (IL)-1β,IL-6,and an immunofluorescence assay was conducted to observe the expression of caspase-3.Statistical analysis was carried out by repeated-measures analysis of variance (ANOVA).Results Compared with the UV group,both BT + UV group and UV + BT group showed a decrease in the degree of skin edema and number of apoptotic cells at 24 hours after UV radiation.Real-time PCR showed that the mRNA expressions of caspase-3,p53,COX-2,PGER1,IL-l β and IL-6 were significantly higher in the UV group than in the blank group (all P ＜ 0.05),but significantly lower in the BT + UV group than in the UV group (all P ＜ 0.05),and only the expressions of caspase-3 and p53 mRNAs were significantly decreased in the UV + BT group compared with the UV group (both P ＜ 0.05).The immunofluorescence assay revealed that the expression of caspase-3 increased in the UV group compared with the blank group,but decreased in both BT + UV group and UV + BT group compared with the UV group.Conclusion BT could partially inhibit UV-induced acute skin phototoxicity in SKH-1 hairless mice.