Hernia, Inguinal ; diagnostic imaging ; Humans ; Male ; Middle Aged ; Peritoneal Dialysis, Continuous Ambulatory ; Peritoneum ; diagnostic imaging ; Tomography, X-Ray Computed ; methods

Objective To analysis and summarise the feature of conventional ultrasound(US) and contrast-enhanced ultrasound(CEUS) of anterior mediastinal tumor.Methods From April 2011 to March 2015,24 patients,diagnosed as anterior mediastinal tumor by chest CT and could be detected by conventional US,were enrolled in this study.Among them,there were 11 lymphomas,5 thymic carcinomas and 8thymomas.The US and CEUS,micro flow imaging(MFI) and time intensity curve(TIC) parameters were evaluated respectively.Results Compare with lymphoma and thymoma in US,there were significant difference between the tumor shape and internal echo respectively (P ＜0.05,P ＜0.05).Compare with lymphoma and thymoma in CEUS,there were significant difference between the display rate of microvascular and feature of enhancement respectively (P ＜ 0.05,P ＜0.05).The result of TIC in different tumors were analyzed respectively.The rise time of lymphoma was early than thymoma,but the half time of wash out of lymphoma was later than thymoma,there was significant difference between the two diseases respectively(P ＜0.05,P =0.01).Further more,the arrive time of invasive thymoma was later than noninvasive thymoma,there was significant difference between the two diseases (P ＜ 0.05).Conclusions CEUS could further assess the characteristic of microvascular perfusion in anterior mediastinal tumors,based on the evaluation of conventional US.It could have a potential clinical value and a development capacity for differentiation diagnosis.

Objective:To observe and compare the clinical effect of single-incision and two-incision posterior chamber phakic intraocularlens implantation in the correction of extreme myopia.Methods:40 cases(80 eyes) of patients with extreme myopia underwent conventional two-incision posterior chamber phakic intraocularlens implantation in our hospital from January 2011 to June 2013 were selected as the control group and 40 cases(80 eyes) underwent single-incision posterior chamber phakic intraocularlens implantation from July 2013 to January 2016 were selected as observation group.The open hole before and after operation,best corrected visual acuity of vision,operation safety,effectiveness index,diopter (column mirror,equivalent ball for eyeglasses),intraocular pressure,ECD,anterior chamber depth and occurrence of complications were compared between two groups.Results:The uncorrected visual acuity (UCVA) of both groups at 6 months after operation were significantly higher than those before operation (P＜0.05),which was significantly higher in the observation group than that of the control group (P＜0.05);The operation safety and effectiveness index of observation group were significantly higher than those of the control group (P＜0.05);The cylinder and spherical equivalent degree of both groups at 6 months after operation were significantly better than those before operation(P＜0.05),which was significantly better in the observation group than that of the control group(P＜0.05).The corneal endothelial cell counts(ECL) of control group after operation was significantly lower than that before operation (P＜0.05),and no significant difference was found in the ECL of observation group before and after operation (P＞0.05).The ECL of observation group after operation was significantly higher than that of the control group (P＜0.05);The incidence rate of complication in observation group was significantly lower than that of the control group (P＜0.05).Conclusion:Compared with two-incision operation,the single-incision posterior chamber phakic intraocularlens implantation had remarkable clinical effect in the correction of extreme myopia with higher security.

Objective To evaluate the clinical value of 18floro-deoxyglucose positron emission tomography-CY(~(18)FDG PET-CT)in the diagnosis of lymph node metastasis from advanced esophageal carcinoma. Methods A prospective study is perfonued here to assess whether ~(18)FDG PET-CT can improve the diagnostic accuracy in lymph node metastasis for patients with advanced esophageal carcinoma.Thirty patients had undergone esophagectomy with extensive lymph node dissection.PET-CT findings were compared with that d CT with pathological finding as the final say.Results All patients were operated successfully without peri-operative complications.The pathological examination conformed metastasis in 22 patients and 49 out of 243 excised lymph nodes.In CT analysis,the sensitivity was 40.8%,specificity was 96.9%,with a diagnostic accuracy of 85.6%, The positive and negative predictive value was 76.9%,86.4% respectively;PET-CT resulted in a sensitivity of 93.9%,specificity of 91.2%,accuracy of 91.8%.The positive predictive value was 73.0% and negative predictive value was 98.3%,The difference of sensitivity(P＜0.001),accuracy(P＜0.05)and negative predictive value between the two radiological modalities was statistically significant(P＜0.001).Conclusions With a high sensitivity and accuracy in the diagnosis of lymph node metastasis,PET-CT appears necessary in preoperative examination for advanced esophageal carcinoma in the hope that surgical treatment be guided by the results of PET-CT,especially for the elder patients with poor pulmonary function or heart or brain complications. Moreover,it could be used as the basis of the conformal radiation therapy planning for inoperable patients.

BACKGROUNDHeterotopic cesarean scar pregnancy (HCSP) is a very rare but life-threatening entity and there is no optimal management strategy. Here we report a successfully managed case of HCSP with expectant treatment in a tertiary referral hospital.

METHODSA woman with HCSP after in vitro fertilization-embryo transfer opted for expectant treatment after five days of mild bleeding and ultrasound demonstrated cardiac activity disappearance of the scar pregnancy at 8(+4) weeks of gestation.

RESULTSThe patient had mild to moderate bleeding during close monitoring. Three days later, speculum examination revealed the gestational mass was partly protruding at the os of the cervix and it was removed with forceps without massive hemorrhage. A healthy male baby was delivered by cesarean section at gestational age of 36(+4) weeks.

CONCLUSIONSThe expectant method might be an alternative option for a HCSP with loss of cardiac activity of the scar pregnancy, when applied under supportive management and with available emergency surgery facilities.

Adult ; Embryo Transfer ; Female ; Fertilization in Vitro ; Humans ; Male ; Pregnancy ; Pregnancy Outcome ; Pregnancy, Ectopic ; diagnostic imaging ; Ultrasonography

OBJECTIVETo study the alkaloids of Macleaya cordata and their anti-tumor activities.

METHODAlcohol and liquid-liquid extraction were used methods were used to extract the alkaloids constituents, and silica gel, reverse-phase octadecylsilyl (ODS), sephadex LH-20 chromatographic methods and HPLC were applied to isolate and purify compounds. MS, NMR spectroscopic methods were used to determine their structures. Furthermore, the cytotoxicity of these chemical components for MCF-7 and SF-268 cell lines was measured by MTT method.

RESULTTwelve alkaloids were isolated from the fruits of M. cordata, and their structures were identified as: maclekarpine E (1), 6-acetonyldihyrochelerythrine (2), cavidilinine (3), 6-acetonyldihyrosanguinnarine (4), O-methylzanthoxyline (5), 6-methoxy-dihydrosanguinarine (6), spallidamine (7), 6-hydroxyldihydrochelerythrine (8), arnotianamida (9), dihydrosanguinarine (10), protopine (11), and cryptopine (12).

CONCLUSIONCompounds 1, 3, 7-9 were isolated from M. cordata for the first time, and compound 5 is a new natural product. The results of cytotoxic assay indicated that compound 6 showed strong cytotoxicity against MCF-7 and SF-268 cell lines with IC50 values of 0.61 μmol · L(-1) and 0.54 μmol · L(-1), respectively.

Alkaloids ; isolation & purification ; pharmacology ; Antineoplastic Agents, Phytogenic ; isolation & purification ; Cell Line, Tumor ; Humans ; Papaveraceae ; chemistry

AIK is a novel cationic peptide with potential antitumor activity. In order to construct the AIK expression vector by Gateway technology, and establish an optimal expression and purification method for recombinant AIK, a set of primers containing AttB sites were designed and used to create the AttB-TEV-FLAG-AIR fusion gene by overlapping PCR. The resulting fusion gene was cloned into the donor vector pDONR223 by attB and attP mediated recombination (BP reaction), then, transferred into the destination vector pDESTl 5 by attL and attR mediated recombination (LR reaction). All the cloning was verified by both colony PCR and DNA sequencing. The BL21 F. coli transformed by the GST-AIR expression plasmid was used to express the GST-AIK fusion protein with IPTG induction and the induction conditions were optimized. GST-AIR fusion protein was purified by glutathione magnetic beads, followed by rTEV cleavage to remove GST tag and MTS assay to test the growth inhibition activity of the recombinant AIR on human leukemia HL-60 cells. We found that a high level of soluble expression of GST-AIK protein (more than 30% out of the total bacterial proteins) was achieved upon 0.1 mmol/L ITPG induction for 4 h at 37 °C in the transformed BL21 F. coli with starting OD₆₀₀ at 1.0. Through GST affinity purification and rTEV cleavage, the purity of the resulting recombinant AIK was greater than 95%. And the MTS assays on HL-60 cells confirmed that the recombinant AIK retains an antitumor activity at a level similar to the chemically synthesized AIK. Taken together, we have established a method for expression and purification of recombinant AIK with a potent activity against tumor cells, which will be beneficial for the large-scale production and application of recombinant AIK in the future.
Antimicrobial Cationic Peptides ; biosynthesis ; Antineoplastic Agents ; metabolism ; Escherichia coli ; metabolism ; Genetic Vectors ; HL-60 Cells ; Humans ; Polymerase Chain Reaction ; Recombinant Proteins ; biosynthesis ; Sequence Analysis, DNA

Objective To investigate the health status and nutrition-related diseases of residents in Pudong New Area,Shanghai and provide information for shaping the relevant national policies and guiding the people''s health dietary.Methods By means of a stratified multi-stage cluster random household sampling survey were performed questionnaire,physical examination and laboratory assay for 737 residents above the age of 15.Results The mean±standard deviation of the men''s height was (168.79±6.81) cm,and the women''s mean height (157.47±6.53) cm.And the rates of malnourishment,overweight,obesity and central obesity were 4.37%,48.91%,14.48% and 49.25%,and the prevalence rate of hypertension was 45.18%.Among residents above 18 years old,the abnormal rate of total cholesterol and triglycerides were 28.69% and 23.50%.Conclusion Nutrition-related chronic diseases will be an important public health problem in Pudong New Area.

BACKGROUNDMinimally invasive Ivor Lewis esophagectomy was usually performed with either hand-sewn or circular stapler anastomosis through a small thoracotomy or using a side-to-side stapler anastomotic technique. This study aimed to present our initial results of Ivor Lewis esophagectomy using a circular-stapled anastomosis with transoral anvil technique.

METHODSSix patients with esophageal cancer underwent minimally invasive Ivor Lewis esophagectomy with an intrathoracic circular-stapled end-to-end anastomosis. The abdominal portion was operated on laparoscopically, and the thoracic portion was done using thoracoscopic techniques. A 25 mm anvil connected to a 90 cm long delivery tube was introduced transorally to the esophageal stump in a tilted position, the anvil head was then connected to circular stapler. The anastomosis was completed under direct thoracoscopic view.

RESULTSA total of six patients in this report successfully underwent total laparoscopic and thoracoscopic Ivor Lewis esophagectomy with a circular-stapled anastomosis using a transoral anvil. They were five male and one female patients, and had a mean age of 55 years (range, 38-69 years). The thoracic and abdominal operations were successfully performed without any intraoperative complications or conversion to laparotomy or thoracotomy. The passage of the anvil head was technically easy and successful in all six cases. The mean overall operative time was (260 ± 42) minutes (range, 220-300 minutes), and the mean estimated blood loss was (520 ± 160) ml (range, 130-800 ml). Patients resumed a liquid oral diet on postoperative day seven. The median length of hospital stay was 17 days (range, 9-25 days). The postoperative pathological diagnosis was esophageal squamous cell carcinoma in five patients and esophageal small cell carcinoma in one patient. Tumors were staged as T(2)N(0)M(0) in three cases, T(2)N(1)M(0) in one case, and T(3)N(0)M(0) in two cases. During the mean follow-up of 2.5 months (range, 2-4 months), there were no intraoperative technical failure of the anastomosis or major postoperative complications such as leak or stricture.

CONCLUSIONSThe initial results of this small series suggest that minimally invasive Ivor Lewis esophagectomy for malignant esophageal tumor is technically feasible. However, further multi-center prospective studies and thorough evaluation are needed to evaluate the long-term results.

Adult ; Aged ; Anastomosis, Surgical ; methods ; Carcinoma, Squamous Cell ; surgery ; Esophageal Neoplasms ; surgery ; Esophagectomy ; methods ; Female ; Humans ; Laparoscopy ; methods ; Male ; Middle Aged ; Thoracoscopy ; methods

Adult ; Anastomosis, Roux-en-Y ; methods ; Female ; Humans ; Laparoscopy ; methods ; Male ; Middle Aged ; Pancreatic Pseudocyst ; surgery