Most of the maxillary first premolar are single-rooted,there are also two-rooted and three-rooted ones.A case of three-rooted maxillary first premolar was diagnosed by CBCT.CBCT has the advantage in the observation of the variation root number,root canal bending and the variation of root canal morphology.

Objective:To investigate the effectiveness of immunoFISH technology in detecting tumor cells in cerebrospinal fluid (CSF) for adjuvant diagnosis of meningeal metastasis from lung cancer. Methods:Circulating tumor cells (CTCs) were detected by im-munoFISH technology in CSF samples from 16 patients with meningeal metastasis from lung cancer and 8 patients with non-tumorous brain diseases. Meningeal metastasis from lung cancer was diagnosed on the basis of neurological symptoms and confirmed by en-hanced magnetic resonance imaging and CSF cytological examination. Results:The number of CTCs was significantly greater in pa-tients with meningeal metastasis from lung cancer than in those with non-tumorous brain diseases (P<0.01). The critical point of the maximum correct diagnosis index (Youden index) was regarded as the judging criterion for the positive tumor cells in CSF based on the receiver operating characteristic curve. When one tumor cell existed in 7.5 mL of CSF, the area under the curve was 0.875, and the 95%confidence interval ranged from 0.705 to 1.000. The diagnostic sensitivity, specificity, effectiveness, positive predictive values, and neg-ative predictive values were 75.0%, 100.0%, 83.3%, 100.0%, and 66.7%, respectively. Conclusion:ImmunoFISH technology provides great significance in detecting CTCs in CSF to diagnose meningeal metastasis from lung cancer.

Objective To explore the feasibility of tubeless 2 μm laser vaporesection in treating pediatric ureter cysts by ureteroscopy.MethodsClinical data of 33 ureter cysts patients who received tubeless 2 μm laser vaporesections by ureteroscopy were reviewed. The median age of patients was 4 years with a range from 1 to 7 years. The operations were carried out by RevoLix 2 μm laser through ureteroscopy without ureter stents and catheters indwelling.ResultsAll operations were successfully performed. And no serious complications occurred after the operations.ConclusionsTubeless transurethral 2 μm laser treatment by ureteroscopy was a superior micro-invasive surgery method for pediatrics with ureter cysts, with advantages of little blood loss, high safety, convenient operation and infrequent complications.

Objective To study the influence of central obesity on clustering of other metabolic syndrome (MS) risk variables among adults with normal body mass index.Methods Through cluster multistage and random sampling methods,local people aged ＞35 years old with normal body mass index (BMI=18.5-24.9 kg/m2) in Lanxi country were selected.Overnight fasting blood specimens of these people were collected.Chi-square test,analysis of covariance,and logistic regression analyses were performed.Results (1) 1821 residents were surveyed including 844 male and 977 female subjects.The overall prevalence of MS was 8.68％ and the overall prevalence of central obesity was 15.87％.Both prevalence rates of the two diseases appeared to be lower in males than in females(MS:3.32％ vs.13.31％; center obesity:5.57％ vs.24.77％,all P＜0.001 ).(2) The overall positive rate of clustering on other MS risk variable was 36.02％,with 34.12％ in males and 37.67％ in females.Comparing the subjects who did not have central obesity,those subjects wth central obesity had higher positive rate in other MS risk variables.(3) Data from analysis of covariance showed that the level of waist circumference appeared an upward trend along with the count of other MS risk variables (all P＜0.001 ).(4) Data from multivariable logistic regression analysis showed that central obesity was a risk factor on clustering of other MS risk variables.Conclusion Control the level of waist circumference among normal body mass index was an effective method in preventing metabolic syndrome and cardiovascular disease in adults.

Objective: To observe the effects of herb-partitioned moxibustion and ginger-partitioned moxibustion on the growth of colon tumors in rats with colitis-associated colon cancer (CACC), and explore the mechanism of moxibustion intervening CACC through the purinergic receptor P2X ligand-gated ion channel 7 (P2X7R)/signal transducer and activator of transcription 3 (STAT3)/vascular endothelial growth factor (VEGF) pathway. Methods: A total of 26 male Sprague-Dawley rats were selected. According to the random number table method, 6 rats were selected as the normal group. The remaining 20 rats were injected intraperitoneally with azoxymethane (AOM) combined with oral dextran sodium sulfate (DSS) to prepare the CACC model. After the model was successfully established, 2 rats were randomly selected for model identification. The remaining 18 rats which were successfully modeled were randomly divided into a model group, a herb-partitioned moxibustion group and a ginger-partitioned moxibustion group, with 6 rats in each group. Moxibustion intervention was performed in the herb-partitioned moxibustion group and the ginger-partitioned moxibustion group at Qihai (CV 6) and bilateral Tianshu (ST 25). Moxibustion was performed twice at each point each time, once a day, at a 1-day interval after 6 consecutive interventions, for a total of 30 interventions. After intervention, the colon tumor load, pathological change and histopathological score were observed. Immunohistochemistry was used to detect the expressions of VEGF, P2X7R, phospho-STAT3 (p-STAT3), and nuclear factor-kappa B p65 (NF-κB p65) proteins in rat colon tissue. Western blot was used to detect the levels of p-STAT3 and NF-κB p65 proteins in rat colon tissue. Results: Compared with the normal group, the colon tumor load and histopathological score in the model group were significantly increased (both P<0.001), and different grades of dysplasia were observed in colon tissue from the model group, reaching the degree of adenocarcinoma; the expression level of P2X7R protein in colon tissue was significantly decreased (P<0.001), and the expression levels of p-STAT3, NF-κB p65 and VEGF proteins were significantly increased (all P<0.001) in the model group. Compared with the model group, the colon tumor load, colon histopathological score and the levels of p-STAT3, NF-κB p65 and VEGF proteins in colon tissue were significantly decreased (all P<0.05) in the herb-partitioned moxibustion group and the ginger-partitioned moxibustion group while the expression levels of P2X7R protein in colon tissue were significantly increased (both P<0.05). Conclusion: Both herb-partitioned moxibustion and ginger-partitioned moxibustion can reduce the colon tumor load in CACC rats and delay the progression of colon adenomas. The mechanism may be mediated by the P2X7R/STAT3 pathway to inhibit STAT3 phosphorylation, thereby reducing VEGF protein expression.

OBJECTIVETo investigate the pathological characters and anatomic correction of penile epispadias.

METHODSThe urethra was formed by local urethra plate mucosa flaps. The contracture on dorsum of penis was released by cutting off the superficial suspensory ligament to reposition the penile and urethral sponge.

RESULTSFrom Jun. 2004 to Dec. 2010, 26 cases with penile epispadias were treated. 18 cases were followed up for 6 months to 5 years. 10 cases were treated successfully with good cosmetic and functional results. Urinary incontinence happened in 8 cases, which healed after tightening operation.

CONCLUSIONSThe anatomic correction of penile epispadias can recover the normal anatomic structure, resulting good cosmetic and functional results.

Adolescent ; Adult ; Child ; Child, Preschool ; Epispadias ; surgery ; Humans ; Male ; Penis ; anatomy & histology ; surgery ; Reconstructive Surgical Procedures ; methods ; Skin Transplantation ; Surgical Flaps ; Urethra ; anatomy & histology ; surgery ; Urologic Surgical Procedures, Male ; methods ; Young Adult

Objective To investigate the associations between polymorphisms of organic cation transporter OCTN1/2 (organic cation transporter 1/2) and the susceptibility of Crohn' s disease (CD) through a meta-analysis.Methods Databases of PubMed,EMBASE,MedLine,and CNKI (Chinese),Wanfang (Chinese) were searched for published case control studies on the association between polymorphisms of OCTN1/2 gene and the susceptibility of CD which were published before September 2012.The meta-analysis was applied with Review Manager 4.2 software and Stata 10.0 software.Results Nineteen eligible studies,including 14 from Europeans,3 from Asians,1 from Oceania,and 1 from the US were included in the meta-analysis.In total,significant associations were found between OCTN1/2 polymorphisms and the susceptibility of CD for all genetic models.In subgroup analyses,significant associations were found in the European population for OCTN1/2.Associations were not significant in the non-European population for OCTN1 (TT vs.CT:OR=1.25,95％CI:0.75-1.98,P=0.34; TT vs.CC+CT:OR=l.48,95％CI:0.95-2.29,P=0.08) and for OCTN2 (CC vs.GC:OR=1.03,95％CI:0.68-1.56,P=0.89; CC vs.GG + GC:OR=1.23,95％CI:0.83-1.82,P=0.31).However,there were significant associations found between OCTN1/2(TT vs.CC,TT+CT vs.CC,CC vs.GG,CC + GC vs.GG) polymorphisms and the susceptibility of CD found in the nonEuropean population.Conclusion Results from this meta-analysis suggested that OCTN1/2 polymorphisms were associated with the susceptibility of CD in the European population.Associations between OCTN1/2 polymorphisms and the susceptibility of CD in the non-European population required searching for large samples to confirm the findings.

OBJECTIVETo investigate the pathological feature of primary hepatic carcinoma and the clinical significance.

METHODSFrom August 2000 to December 2007, there were 89 patients with cirrhosis and carcinoma of liver who accepted whole liver resection. The whole liver was cut into 10 mm slices to examine the tumor size, number, distribution, capsule, satellite nodes, portal vein tumor thrombi (PVTT). The invaded adjacent tissue and lymph nodes were recorded, the distance from satellite to major tumor was measured, then histological examinations were carried out, and the final diagnosis was made by pathologists.

RESULTSThe total of 89 cases included hepatocellular carcinoma in 86 cases and cholangiocarcinoma in 3 cases; 53 cases with multiple tumors and 36 cases with solitary tumor; complete capsule only in 14 cases, no obvious margin in 11 cases, 13 cases had a major tumor in the right lobe and a small tumor in the left lobe; 8 of 25 cases with gross invaded tissue were confirmed by histological examination, 7 of 16 cases with swollen lymph nodes were infiltrated by cancer cells. There were 47 cases with PVTT (47.2%) and 39 cases with satellite nodes (43.8%). PVTT and satellite nodes increased with the increase of sizes and the numbers of the tumors. The distance from satellite node to major tumor mostly were 0.5 - 3.0 cm.

CONCLUSIONSThe whole explanted liver can completely reflect the characteristics of growth and infiltration of hepatic carcinoma. Attention must be paid to the small cancer lesions in another lobe, distal satellite nodes from major tumor, and tumor thrombi in a small branch of portal vein, which can not be found by imaging, and might influence the curative effectiveness after liver resection or transplantation.

Adult ; Carcinoma, Hepatocellular ; pathology ; surgery ; Female ; Hepatectomy ; Humans ; Liver ; pathology ; Liver Neoplasms ; pathology ; surgery ; Male ; Middle Aged ; Young Adult

To investigate the role of potassium channels in the pathogenesis of airway hyperresponsiveness induced by cigarette smoking, the alteration in expression of large-conductance calcium-activated potassium channel (BKca) and voltage-dependent delayed rectifier potassium channel (Kv1.5) in bronchial smooth muscle cells were investigated in chronic cigarette smoking rats. Airway responsiveness was determined, hematoxylin and eosin staining, immuno-histochemistry, in-situ hybridization and western blot techniques were used. The results showed: (1) Chronic cigarette smoking down-regulated the protein synthesis and mRNA expression of BKca and Kv1.5 in bronchial and bronchiolar smooth muscles. (2) BKca decreased more markedly than Kv1.5 in bronchi, but there was no difference between them in bronchioli. (3) No changes in the expression of these two potassium channel proteins were found in extracted cell membrane protein from lung tissue. The results suggest that chronic cigarette smoking can down-regulate the levels of BKca and Kv1.5 in rat bronchial smooth muscle cells in vivo, which might contribute to the mechanism of airway hyperresponsiveness induced by cigarette smoking.
Animals ; Bronchi ; metabolism ; Cells, Cultured ; Kv1.5 Potassium Channel ; Male ; Muscle, Smooth ; cytology ; metabolism ; Potassium Channels, Calcium-Activated ; biosynthesis ; genetics ; Potassium Channels, Voltage-Gated ; biosynthesis ; genetics ; RNA, Messenger ; biosynthesis ; genetics ; Rats ; Rats, Sprague-Dawley ; Smoking ; adverse effects

Objective To improve overall value of healthcare industry through setting up critical inpatient medical services strategic plan.Methods Identify major objectives which the local government expects to achieve through strategic map; Standardize inpatient output and assign weight to each group through diagonosis related groups; Translate the objectives of strategic map and result of diagnosis related group to Balanced Score-card; Finally build up strategic map and according action plans.ResultsPreliminarily established 16 objectives、23 measures and 13 tasks in four perspectives including customer,internal work flow,learning and growing and finance.ConclusionThe strategy map and the balanced score-card can help implement full strategic plan of regional inpatient medical services; DRGs is a core management tool of patient-centred service output management; Balanced Score-card is able to realize continuous improvement of Beijing inpatient medical services from macro to micro persoetive.