Carcinoma, Squamous Cell ; surgery ; Head and Neck Neoplasms ; surgery ; Humans ; Neoplasm Recurrence, Local ; prevention & control ; surgery ; Prognosis

Adolescent ; Child ; Child, Preschool ; Female ; Homeodomain Proteins ; genetics ; Humans ; Infant ; Male ; Oncogene Proteins, Fusion ; genetics ; Precursor Cell Lymphoblastic Leukemia-Lymphoma ; genetics

Normal perfusion pressure breakthrough is a serious complication that may occur in the treatment of cerebral arteriovenous malformations. This article reviews the progress in research on normal perfusion pressure breakthrough in recent years. It mainly investigates its pathogeneses, predictive methods and prevention and treatment strategies.

in this Article 20 Cases of Spontaneous rupture of primary liver Cancer Adimitted and treated in our hospital in the past 23 years (1956-1979) Are Analyed. of these 19 Were Male And 1 female, their Age ranged from 20 to 65 years, 75 per Cent Were 30 to 40 years of Age, The incidence Was 8 per Cent.Diagnosis, differential diagnosis and the mechanism of Spontaneous ruptnre of primary liver Cancer as Well as the Cause of Erroneous diagnosis are discussed in detail.The Clinical records revealed that 50 Per Cent of the Patients Who deid Within one month. After the rupture Should be reseued promptly, 2 Cases Survived 4 and 19 months respectively After the ligation of he patic artery, in order to prolong the Patients. life, it is Considered positive to excute ligation of hapatic Artery to stop bleeding And prevent the progress of Cancer.

Objective To evaluate the changes in the epidemiology and clinical characteristics of cervical carcinoma over the past 50 years, and to explore the equitable treatment corresponding to these changes. Methods The clinical and pathological data of 1557 patients with invasive cervical carcinoma from January 1955 to December 2004 were retrospectively analyzed. Results (1) The average age of cervical carcinoma onset gradually decreased over the past 50 years, from 56.27?8.45 in years 1955~1964 to 43.81?8.9 in years 1995~2004. At the same time, the radio of clinically early (stages Ⅰ-Ⅱ) and non-squamous cancer also steadily increased. (2) Young patients (≤35 year old) had higher ratios of non-squamous, poorly differentiated and late stage (Ⅲ-Ⅳ) cancers, with a higher rate of lymphatic metastasis compared with other ages. (3) Because of the changes in epidemiology and clinical characteristics of cervical carcinoma, it′s necessary to alter the traditional model of treatment and to explore equitable therapy corresponding to these changes. Conclusions The average age of cervical carcinoma onset gradually decreased and simultaneously the ratio of clinically early (stages Ⅰ-Ⅱ) and non-squamous cancer also steadily increased over the last 50 years. Patients aged 35 and younger of cervical carcinoma had some obvious clinical characteristics compared with that of older patients. Preservation of reproductive endocrine function ought to be deliberated on in cervical carcinoma treatment of women with fecundity. Neoadjuvant intraarterial chemotherapy (NAIC) is an useful method for cervical carcinoma at present

Objective:To investigate the changes of ultrastructure of myocardial cells and the expression levels of tumor necrosis factor α(TNF-α) in myocardium tissue of the diabetic rabbits during early myocardial ischemia and their mechanisms,and to provide the theoretical basis for studying the pathogenesis of diabetic myocardial ischemia injury.Methods:A total of 42 healthy male New Zealand white rabbits were chosen.The method of intravenous injection of alloxan in ear vein was used to establish the diabetic models in 26 rabbits among 42 rabbits;the method of partial ligation of left anterior descending coronary artery by thoracotomy was used to establish the diabetic myocardial ischemia models in 22 model rabbits with diabetes.A total of 16 (modeling succesfully) were divided into diabetic myocardial ischemia 7 d group and 28 d group;other 16 rabbits were used as sham operation groups at the relevant time points(7 and 28 d),and there were 8 rabbits in each group.The ultrastructure of myocardial cells was observed by transmission electron microscope;the apoptosis index (AI) of myocardial cells in ischemic myocardium tissue of the rabbits was detected by TUNEL method;the expression levels of TNF-α in ischemic myocardium tissue of the rabbits were detected by real-time RT-PCR method.Results:In sham operation groups,the nuclei of myocardial cells was bigger,the nuclear chromatin was in uniform distribution,the myofibril ordered arrangement,the sarcomere was neat;the mitochondria between myofibril were rich,and their structures were clear.For the rabbits in diabetic myocardial ischemia group,their early-stage cardiocyte nuclei were irregular in shape,myofibrils was loose in structure,the part of myofibril was broken,and the mitochondrial hyperplasia between the myocardial cells was obvious.Compared with sham operation groups,the AI of myocardial cells and the expression levels of TNF-α in the ischemic myocardial cells of the rabbits in diabetic myocardial ischemia 7 d and 28 d groups were significantly increased(P<0.05),and the indexes mentioned above in diabetic myocardial ischemia 7 d group was higher than those in diabetic myocardial ischemia 28 d group(P<0.05).Conclusion:The destruction of ultrasturctue and obvious apoptosis of the myocardial cells of the rabbits occur in the early stage of diabetic myocardial ischemia.The increasing of expression level of TNF-α may involve in the myocardial ischemic injury.

To summarize the experience about the preoperative and postoperative nursing of 11 cases with neurogenic bladder treated by sacral neuromodulation. The main nursing interventions of this procedure involved accurate recording of voiding diaries and postvoid residual, effective psychological nursing and health education of related disease information, standard videourodynamic examination. 11 patients acquired more or less benefit after the screening test and were discharged successfully, among them 2 cases had the permanent implantation of the stimulation device.

Head and Neck Neoplasms ; pathology ; Humans ; Lymphangiogenesis ; Neoplasm Metastasis

Objective To detect the effects of exenatide on the related indicators of proliferation, invasion and apoptosis of cell line SCC-25. Methods SCC-25 cells were cultured in vitro. The expression level of glucagon like peptide 1 receptor (GLP-1R) was determined by Western blot assay in SCC-25 cells. SCC-25 cells were divided into four groups:control group and exenatide group (1,10 and 100 nmol/L). The ability of cell proliferation was detected using MTT assay after 24 h, 48 h and 72 h of culture. The ability of invasion was measured with Transwell assays. The expression levels of MMP-2, Caspase-3 and Phospho-p38 MAPK were measured by Western blot assay. Results GLP-1 receptor expression was found in SCC-25 cells. Compared with control group, the cell survival rate, invasion rate and the expression of MMP-2 were significantly decreased in SCC-25 group (P＜0.05). The expression of Caspase-3 were significantly increased (P＜0.05).Changes were in a concentration-dependent and time-dependent manner (P＜0.05). The expression of Phospho-p38 MAPK was significantly increased at 24 h in 10 nmol/L exenatide group (P＜0.05). Conclusion Exenatide can inhibit the cell proliferation and invasion, which may contribute the apoptosis by promoting expressions of Phospho-p38 MAPK and Caspase-3 of SCC-25 cells.

To investigate whether a series of water-soluble cross-linked chitosan derivates synthesized in the guide of imprinting technology could be used as a uranium chelating agent to protect cells exposed to depleted uranium (DU), the imprinted chitosan derivates with high UO2(2+) chelating ability were screened, and cell model of human renal proximal tubule epithelium cells (HK-2) exposed to DU (500 micromol.L-1) was built, chitosan derivates (400 mg.L-1 ) was added to test group and diethylenetriaminepentaacetic acid (DTPA, 50 mg.L-1) was added to positive control group. The results showed that three Cu2+ imprinted chitosan derivates had higher uranium chelating ability (>49 microg.mg-1) than chitosan and non-imprinted chitosan derivates. Compared to the cells exposed to DU only, survival of cells in group added chitosan derivates rose up significantly (increased from 57.3% to 88.7%, and DTPA to 72.6%), and DU intracellular accumulation decreased, membrane damage and DNA damage also eased. Among the imprinted chitosan derivates, Cu2+ imprinted penta dialdehyde cross-linked carboxymethyl chitosan (Cu-P-CMC) was the best, and better than DTPA. From ultrastructure observation, the DU precipitates of test group added Cu-P-CMC were most grouped in a big hairy clusters in a string together outside cells. It is possible that the DU-chitosan derivates precipitates are too big to enter into cells, and from this way, the DU uptake by cells decreased so as to detoxication.