Objective To investigate the application value of prophylactic bilateral uterine artery catheterization and embolization in treatment of patients with pernicious placenta previa and accreta.Methods Data of 16 patients with pernicious placenta previa and accreta who underwent prophylactic bilateral uterine artery catheterization and uterine artery embolization and cesarean section were retrospectively analyzed.The amount of intraoperation blood loss,the amount of blood transfusion,cesarean hysterectomy rate,fluoroscopy operative time,radiation dose,complications and neonatal outcome were recorded.Results The technical success rate of the combined treatment was 93.75％ (15/16).The mean amount of blood loss was (1 575.00 ± 1 040.83)ml.The mean amount of blood transfusion was (3.44 ± 2.34)U leukoreduced red blood cells.The mean fluoroscopy operative time and radiation dose before delivery were (0.89±0.24)min and (7.17 ± 2.12)mGy.One newborn was diagnosed as severe asphyxia.The mean Apgar score of another 15 newborns was (9.38± 0.89) at 5 min after birth.One patient underwent hysterectomy due to postpartum hemorrhage complicated with disseminated intravascular coagulation.Buttock pain was found in 2 cases.Conclusion Prophylactic bilateral uterine artery catheterization and embolization can be used for the treatment of pernicious placenta previa and accreta.The combined treatment can control postpartum hemorrhage during placental dissection and reduce transfusion requirements and hysterectomy rate with few minor complications and low radiation exposure dose.

Objective To summarize the risk factors, the diagnostic and therapeutic approaches, and the outcomes of the ruptured primary hepatocellular carcinoma (PHC) occurred after transcatheter arterial chemoembolization (TACE) in order to make a further understanding of this complication. Methods The clinical data of 8 patients with ruptured PHC after TACE, who were encountered at the First Affiliated Hospital of Suzhou University during the period from Sep. 2007 to Sep. 2013, were retrospectively analyzed. Results A total of 1379 times of TACE were performed in 678 patients with PHC. Among the 678 patients, 8 developed rupture of PHC with bleeding after TACE. The overall incidence was 1.2%. The mean diameter of the tumors in the 8 patients was (11.5 ± 2.6) cm, ranging from 7.6 cm to 15.9 cm. All the lesions were located at the peripheral region close to the liver capsule, and most of them protruded outward. Five cases had coexisting portal hypertension. The average dosage of Lipiodol used in TACE was (14.9 ± 4.5) ml with a range of (8 - 20) ml. Of the 8 patients, emergency transcatheter embolization was carried out in 4 and medical management was employed in other 4. Seven patients died as all active emergency treatments failed. Only one patient, who had received emergency transcatheter embolization, survived the ruptured PHC. Conclusion Rupture of primary hepatocellular carcinoma after TACE is a rare, but very serious complication. Its occurrence may be related to lesion’s characteristics, such as large tumor size, superficial location and protrusion from the liver surface, etc. Besides, interventional management, e.g. without use of solid embolic material to enhance the embolization effect, may also be responsible for the rupture.

The genetic diversity of three Tibetan herbs, i. e., Sang-Di, E-Dewa and Ye-Xingba (Tibetan names), was studied based on the field collection, specimen identification and DNA sequence analysis. Swertia hispidicalyx, Gentiana lhassica and Scrophularia dentata, as the original plants of the three Tibetan herbs, were collected and identified. The regions of ITS, matK, rbcL, rpoC1, trnL(UAA), psbA-trnH, atpB-rbcL, trnS (GCU)-trnG(UCC), rpl20-rps12, trnL(UAA)-trnF(GAA) and nadl 2nd intron were amplified and sequenced. The ITS regions of S. hispidicalyx and S. dentata were cloned and sequenced, and the sequences were classified into different genotypes. All the sequences were analyzed and compared with those of closely related species. Our studies may provide reference for the genetic diversity analysis and molecular identification of the three Tibetan herbs.
Genetic Variation ; Gentiana ; classification ; genetics ; Phylogeny ; Plant Proteins ; genetics ; Plants, Medicinal ; classification ; genetics ; Scrophularia ; classification ; genetics ; Swertia ; classification ; genetics ; Tibet

Objeetive To investigate the effect of alteration of blood flow in the hepatic artery on the therapeutic effect of cryoablation in VX2 hepatic tumor rabbit model.Methods Thirty rabbits with VX2 hepatic tumor were divided into three groups according to hepatic artery blood flow:complete occlusion of the hepatic artery(group A),paaial occlusion of the hepatic artery(group B),and no occlusion of the hepatic artery(group C).With conventional CT scau and perfusion scan,the values of blood flow(BF)and blood volume(BV)of VX2 tumor were computed and the differences among the three groups were analyzed.After cryoablation,the animals were euthanized and the livers were removed.The hepatic tissue from the cryoablation area and surrounding area underwent both methyl thiazolyl tetrazolium(MTT)diaphorase staining and triphenyl tetrazolium chloride(TTC)staining.The gross pathology and histopathological 3.14)ml/100 g in group C,respectively.There were significant differences among the three groups in the BF and BV(F value was 452.16 and 421.33 in the BF and BV,respectively,P＜0.01);(2)The maximum diameter of cryoablation-induced necrosis was(2.3±0.3)cm in group A,(1.5±0.2)cm in group B,and(0.8±0.1)cm in group C,respectively.The difference was significant among the groups (F value was 315.32,P＜0.01).(3)There were well-defined frozen areas.bordering areas and normal surrounding areas in MTT staining.In group C,positive staining around some blood vessels could be seen.Conclusion Alteration of the blood flow in the hepetatic artery can affect the cryoablation efficacy.With the decrease of hepatic artery blood flow,the efficacy of cryoablation on liver tumor increased.

Objective To establish VX2 hepatic carcinoma model in rabbits by implanting the tumor fragment into the liver through percutaneous puncture under ultrasound guidance and to observe its growing and metastatic characteristics, to determine the optimal time for interventional experiment study with the model. Methods Inoculation of VX2 carcinoma fragment was performed in 28 New Zealand white rabbits. PET/CT and ultrasonography (US) examinations were carried out in the second, third and forth week after the inoculation, and each time two tumor-bearing rabbits were sacrificed for pathologic study. Results The successful rate of model establishment was 89.28% (25/28). On PET or CT scans, single lesion in the liver was demonstrated in 25 rabbits. Two, three and four weeks after the inoculation, the maximum diameter of the tumor was (4.82±0.80) mm, (16.05±2.89) mm and (30.08±5.38) mm respectively, while the metastasis rates was 0% (0/25), 13.04% (3/23), 76.19% (16/21) respectively. No significant necrosis was found in the second week after inoculation, only tiny coagulation necrosis was revealed in the third week, and massive necrosis was seen in the forth week. Conclusion Percutaneous inoculation of the tumor fragment into the liver under ultrasonographic guidance is a simple method to establish VX2 hepatic carcinoma in rabbits with a high successful rate. The third week after inoculation is the suitable time for making interventional experiment study.

Adult ; Female ; Hemangioblastoma ; pathology ; Humans ; Sella Turcica ; pathology ; Skull Neoplasms ; pathology

The alpine plant Gentiana robusta is an endemic species to the Sino-Himalayan subregion. Also, it is one of the original plants used as traditional Tibetan medicine Jie-Ji. We sequence the nuclear ribosomal internal transcribed spacer (ITS) regions, matK, rbcL, rpoC1, trnL (UAA), psbA-trnH, atpB-rbcL, trnS( GCU)-trnG(UCC), rpl20-rps12, trnL(UAA)-trnF( GAA) fragments of cp DNA in both G. robusta and such relative species as G. straminea, G. crassicaulis and G. waltonii. With Halenia elliptica as the outgroup, molecular systematic analysis reveals that G. robusta is a natural hybrid. G. straminea is the mother of hybrids, but the father is not very clear. In addition, the molecular markers for distinguishing G. robusta from the parental species or closely related species are identified, respectively. Our studies may provide valuable reference for the species identifications of medicinal plants with complex genetic backgrounds.
DNA Barcoding, Taxonomic ; DNA, Plant ; genetics ; Gentiana ; classification ; genetics ; Molecular Sequence Data ; Phylogeny ; Plant Proteins ; genetics ; Plants, Medicinal ; classification ; genetics

Objective To analyse the clinicopathological features of primary small intestine lymphoma(PSIL), and explore the relationship between clinical stage,histological findings,therapeutic modality and prognosis. Methods The clinical data of 34 cases of PSIL were collected,the pathohistological features and results of immunohistochemical examinations were obtained,and the follow-up findings were adopted for comprehensive analysis. Results Among these 34 cases of PSIL,abdominal pain or discomfort,gastrointestinal bleeding and abdominal mass were the predominant symptoms.PSIL mainly involved ileum,especially the bottom of ileum and ileocecal area.Among the 26 patients with follow-up for more than one year,the 1-year survival rate was significantly higher in patients without tumor perforation than those with tumor perforation(76.2% vs 20.0%)(P

Objective To observe the expression of mitochondrial fission protein locus Fis1 and ultrastructural changes in the renal cells of rats with chronic fluorosis,and to reveal the mechanism in mitochondrial damage of the renal cells.Methods Sixty SD rats were randomly divided into 3 groups according to sex and body mass(20 in each group):control group,lower fluoride group and higher fluoride group.All the rats were fed with different doses of sodium fluoride in drinking water(0,10 and 50 mg/L,respectively).Six-month later,the expression of Fisl in renal cells was determined by real-time fluorenscence quantitative PCR and immunohistochemistry technology,the mitochondrial morphology of renal cells was observed under transmission electron microscopy (TEM).Results As compared with the control group(28.70 ± 12.41),Fis1 mRNA levels(91.48 + 34.83 and 582.09 ± 184.69) in renal cells of the lower fluoride and the higher fluoride groups were increased(all P ＜ 0.05).As compared with the control group(10.49 ± 7.66),Fisl protein levels(16.33 ± 10.26 and 21.50 ± 5.24) in renal cells of the lower fluoride and the higher fluoride groups showed a trend of increasing,the higher fluoride group was higher than that of the control group(P ＜ 0.05).By TEM,mitochondrial crest in renal cells of the lower fluoride and the higher fluoride groups was vague or disappeared,mitochondrial division section appeared.Conclusions Fluoride is a kind of toxicant that can cause damage to mitochondrion of renal cells,induce the expression of Fis1 in transcriptional and protein level,and lead to the obstacles of mitochondrial fusion-fission and ultrastructural abnormality of mitochondrion,which may play an important role in mechanism of mitochondrial damage in the renal cells of rats with chronic fluorosis.

Objective To investigate the expression of AR and its relationship with clinicopathological features in human epidermal growth factor receptor-2(Her-2) enrich breast cancer. Mehtods The expression of AR was detected by immunohistochemical staining in 102 patients with Her-2 enrich breast cancer. The relationship between AR expression and its clinicopathological characteristics was analyzed. Results The positive rate of AR expression was 75.5%. Patients in the positive group had a lower level of lymph nodes and Ki-67 value (P < 0.05). However, no significant differences of AR expression were observed in age, menopausal status, tumor size, histological grade, vessel invasion, P53 and PCNA (P > 0.05). Conclusion AR was highly expressed in Her-2 enrich breast cancer, which may be a potential target for treatment of Her-2 enrich breast cancer.