This paper describes the value of positron emission tomography(PET) in diagnosis and staging of lung cancer. Current status and prospect of positron emission tomography in mainland of China were briefly discussed: PET examination cost has not been covered by national health care system at present. Numbers of PET should be increased within limits and its development should keep balance with economic and social development level. It is necessary to have more nuclear medicine physicians training and cooperation between PET physicians and clinical referring physicians.

OBJECTIVE:To probe into the condition of the occurrence of the adverse drug reactions(ADRs) induced by Chinese materia medica.METHODS:A total of 933 ADR cases induced by Chinese materia medica published in 100 different kinds of journals during 2000～2008 were studied retrospectively.RESULTS:A total of 156 kinds of Chinese materia medica were involved in these ADRs,which were administered by 5 routes,with intravenous administration showing the highest incidence at 78.46%. Among all the ADRs,the systemic reactions represented 57.77%.CONCLUSION:It is necessary to popularize the knowledge on safe medication of Chinese materia medica,standardize clinical rational use of Chinese materia medica and its preparations and tighten control and monitoring on the ADRs induced by Chinese materia medica.

Objective To evaluate the significance of the panel of 6 microsatellites in detection of bladder cancer. Methods In the tumor tissue and urine sediment of 32 cases of bladder cancer 10 microsatellites were chosen and PCR-SSLP silver staining assay was conducted according to the methods described in the literature and our previous study.15 cases of non-bladder cancer served as controls. Results Microsatellite alternate (MA) was found in 30 out of 32 cases of bladder cancers,the sensitivity being 93.8%.The MA of urine sediment of 15 cases of non-bladder cancer was negative,the specifity being 100.0%.Among the 10 microsatellites, 6 ones were chosen;the MA positivity of the panel of the 6 ones was 90.6% (29/32).This result was not significantly different from that of the panel of 10 microsatellites. Conclusions MA assay is a sensitive,effective method for detection of bladder cancer.Compared with the panel of 10 microsatellites,the panel of 6 microsatellites may be a better tool for detection of bladder cancer.

During 131Ⅰ therapy or the natural course of DTC,2％ to 5％ of them will gradually no longer be sensitive to 131Ⅰ therapy and lead to radioactive iodine-refractory DTC (RAIR-DTC).Recent studies found that alterations of critical molecular targets in main signal transduction pathways could decrease the iodine-trapping function of thyroid carcinoma,such as BRAFV600E mutation,followed by negative 131 Ⅰ-whole body scan (WBS) and discounted efficacy.This article reviews novel diagnostic and therapeutic modalities for RAIR-DTC.

0.05).Conclusion Gatifloxation is safe and efficient in the treatment of community acquired pneomonia.

OBJECTIVETo explore treatment effect of the locking plate percutaneous external fixation to tibial fractures.

METHODSFrom July 2010 to February 2013, 8 cases with pediatric tibial fractures were treated by using unilateral locking plate percutaneous external fixation,including 6 males and 2 females with an average age of 7 years old ranging from 4 to 10. Among them, 5 cases were open fractures involving 1 case of Gustilo-Anderson type II, 3 cases of type III A, 1 case of type III B; and the other 3 cases were closed fractures involving 2 cases of AO type A3, 1 cases of type B2. The postoperative bone healing and gait impact were observed and the function was evaluated by Johner-Wruhs scores.

RESULTSAll fractures healed successfully without infection. The fracture healing time was from 3 to 6 months with an average of 3.9 months. The locking plate removal time was from 4 to 7 months with an average of 4.3 months. Among them, 7 cases were visually normal after walking with stand, 1 case of anterior tibial tendon defect affected gait. The results of Johner-Wruhs assessment were excellent in 7 cases, good in 1 case. No rub contralateral medial calf skin wounds occurenced.

CONCLUSIONThe method is simple, stable and reliable. The fixation strength is suitable for children using locking plate percutaneous external fixation. The postoperative functional recovery was excellent and the walking gait was less affected. But the point of LCP pedicle screw should be carefully selected before installation with good skin coverage.

Bone Plates ; Child ; Child, Preschool ; External Fixators ; Female ; Fracture Fixation ; methods ; Fracture Healing ; Humans ; Male ; Tibial Fractures ; physiopathology ; surgery

BACKGROUND: Acellular vascular matrix as vascular scaffold has following advantages: acellular vascular matrix possesses complicated three-dimensional structure of natural blood vessels. Growth factor and structural domain on the surface of acellular matrix helps for cell adhesion and infiltration.OBJECTIVE: To prepare acellular vascular matrix material and to evaluate its biocompatibility in vivo and in vitro.METHODS: Trypsin and Triton X-100 were used to gradually dispose pig carotid artery and to prepare acellular vascular matrix. The biocompstibility of the material was evaluated by implantation in muscle, acute toxicity experiment and cytotoxicity test in vitro.RESULTS AND CONCLUSION: The acallular vascular matrix material possessed good chemical stability and did not release harmful factors that produced destruction and dissolution in erythrocytes, without acute hemolytic reaction or toxic effects on cell growth. The acellular vascular matrix material showed lots of inflammatory cell infiltration in eady stage of implantation, and no significant inflammatory cell infiltration in late stage of observation. Fibroblasts were visible in the acellular matrix. In addition, the acellular matrix material did not exhibit toxic effects on surrounding tissues, showing wound stage I healing. Simultaneously,histological sections demonstrated that there were good compatibility of scaffold material and surrounding tissues, without rejection. These indicated that acellular matrix material presented good biocompatibility in animals.

To evaluate multi-slice computer tomography (MSCT) in mediastinal lymph node metastasis of T1 and T2 non-small cell lung cancer (NSCLC). Methods:A total of 32 patients with T1 and T2 NSCLC from February 2004 to October 2012 were selected. Preoperative MSCT assessment of mediastinal lymph nodes was performed on basis of the pathological results. Results:Lymph nodes with diameters of≥10 mm were evaluated, and the sensitivity and specificity of the MSCT mediastinal lymph node me-tastases were 82.4%and 92.4%, respectively. Lymph node size, primary tumor location, and visceral pleural invasion showed statistical significance in forecasting mediastinal lymph node metastases (P<0.05). Conclusion:MSCT can be used for the effective evaluation of mediastinal lymph node metastasis, lymph node size, and position of primary tumor. and visceral pleural invasion of the tumor had a higher risk of mediastinal lymph node metastasis.

Objective To explore the incidence,features and outcomes of in-hospital sudden cardiac death (SCD) in order to determine the predictors of survival. Methods The clinical data of 69 patients with cardiac arrest hospitalized from January 2008 through December 2010 were retrospectively analyzed.Information on genders,age,types of arrhythmia was collected and further analyzed to determine these factors associated with the occurrence and outcomes of in-hospital cardiac arrest. Results The overall incidence of SCD was 47.3 / 100 000 per year and 17.4％ of them.survived at discharge.The occurrence rate was higher in male than that in female (66.7％ vs.33.3％,P ＜0.01 ),whereas difference in gender did not affect the discharge rate ( P ＞ 0.05 ). Survivors from in-hospital cardiac arrest were significantly younger than non-survivors (man:62.57 ± 12.83 years vs.75.56 ± 10.55 years; women:60.36 ± 13.24years vs.69.53 ± 11.72 years,P ＜ O.01 ).From 62 ECG records of SCD patients,the incidence of nonshockable rhythms was higher than that of shockable rhythms.Compare to the non-shockable rhythms,the shockable rhythms brought a higher rate of restoration of spontaneous circulation (ROSC) (54.5％ vs.24.5％,P ＜0.05),whereas survival rates at discharge between two groups were not statistically different ( 18.2％ vs.18.4％,P ＞ 0.05 ).Conclusions Non-shockable rhythms were more common in patients suffering from in-hospital cardiac arrest.Although defibrillation treatment contributed benefit to ROSC among patients with ventricular fibrillation or pulseless ventricular tachycardia,high-quality CPR and post-cardiac arrest care may play a more critical role in the outcomes of in-hospital sudden cardiac death.

Objective To explore the early diagnosis, option of the surgical procedures, preven-tion and treatment of the complications in patients with pancreatic trauma.Methods All patients with pancreatic trauma during the past 20 years were studied retrospectively in respect of sex, age, cause of injury, grade by AAST, style of operation, therapeutic efficacy, complications and factors for death etc.Statistical analysis was made with Chi-square test.Results In all 148 cases of the present series, 132 underwent surgical interventions including simple suture or external drainage alone, distal pancre-atectomy, distal pancreaticojejunostomy or other internal drainage, diverticularization, Whipple's pro-cedure, and Damage Control Surgery (DCS) etc.Postoperative morbidity was 27.83% with a signifi-cant difference of the incidence of pancreatic fistula between pancreas grade Ⅲ-Ⅴ injuries and grade Ⅰ-Ⅱ(P＜0.01).The mortality rate was 11.49%.The cause of the deaths was mainly massive bleed-ing due to severe associated injuries(76.47%).Among various grades, the difference of the mortality was not significant (P＞0.05).Conclusion To improve the survival rate, it is important to control massive hemorrhage from associated injuries precedes dealing with pancreas trauma.Selection of surgi-cal procedures should be based on whether the main duct is injured.The removing of devitalized tis-sue, adequate external and internal drainage are essential for treatment of pancreatic injuries.Early recognition of pancreatic injury and correct choice of surgical procedures may obviously decrease the in-cidence of postoperative complications.