Objective To furthur recognize the pathomorphological features of the endometrial stromal tumors.MethodsThe clinicopathological analysis was made for 19 cases of endometrial stromal tumors of uterus, including 1 of nodule, 15 of low-grade sarcomas and 3 of high-grade sarcomas. ResultsThe location of neoplasm predominated in submucosal in 4 cases, 4 cases of sarcomas recurred after operation. 4 cases showed extrauterine tumors. Sex-cord-like differentiation presented in 6 tumors. Smooth muscle differentiation was found in 7 cases. ConclusionLow-grade endometrial stromal sarcomas is the commonest histopathological pattern in the endometrial stromal tumors. Sex-cord-like differentiation and smooth muscle differentiation are not rare in endometrial stromal tumors.

A lot of clinical trials proved that enhanced external counterpulsation (EECP) is a low-cost ,non-invasive , safe and effective method treating coronary heart disease .The present article made an overview on possible mecha-nism of EECP treating coronary heart disease .

Objective To investigate the elinicopathologic features of atypical endometriosis(AEM) and to discuss the relationship between AEM and tumors. Methods A retrospective analysis was performed of 163 cases of AEM, which were retrieved from the Department of Pathology files at the Tianjin Central Obstetrics and Gynecology Hospital between Jan 2004 and Dec 2006. The pathologic changes of AEM including its glandular epithelium, stroma, background and the conditions coexisting with tumor were observed. Results The AEM accounted for 4.38% (163/3724) of the endometriosis (EM) eases. Of 172 AEM foei of 163 patients, 168 were in the ovary, and the other 4 were in the fallopian tube, cervix and uterine serosa respectively. The rate of ovarian AEM was 6.81% of endometriosis. AEM associated with tumour was found in 26 cases (15.95% )and among 27 of ovarian AEM, 15 were malignant, 9 borderline and 3 benign. The AEM epithelia were mainly arranged in the form of surface epithelium. They present with characteristic features of moderate to marked pleomorphism, epithelial tufting and bud structures by microscopy. The walls of AEM cyst were presented with three layers of epithelium, endometrioid stroma and fibrosis-collngen. The endometrioid stroma were usually thin in contrast to the fibre-collagen tissue, which was often thick with scarred background. The transformation from AEM to tumor was found in most of the malignant tumors( 14/15,93% ). Conclusions AEM lesions hold some features of both EM and tumor, which may have a relatively higher potential for tumorigenesis and cancerafion. The process of damage and repair in EM foci during a long course may play a role in the development of EM into AEM and finally into tumor.

Objective:To discuss and analyze the clinical efficacy and application value of transperineal ultrasound dynamic monitoring for the contraction function of pelvic floor muscle to guide training based on its feedback in the treatment of stress incontinence of female.Methods: 169 female patients with stress incontinence were enrolled this study. And all of them were treated by using the Koegel physical training of pelvic floor muscle under the guidance of doctor, at the same time, the relative contraction function indicators of pelvic floor muscle before and after treatment were observed and compared by applied transperineal ultrasound dynamic monitoring.Results: The differences between before and after treatment of physical training on pelvic floor muscle about the length of the levator hiatus, the acreage of pelvic diaphragm hiatus, and the perimeter of pelvic diaphragm hiatus in contraction and silent period were significant (t=-2.858,t=-2.949,t=-4.899,P<0.05), and that of after treatment was higher than that of before treatment. The horizontal distance of pubis combined with margo inferior, vertical distance and thickness of viscera on pubis of after treatment were significant higher than that of before treatment (t=3.674, t=-4.899,t=4.230,P<0.05). The posterior urethra intersection angle and the intersection angle of left and right levator after treatment were significantly higher than that of before treatment (t=-4.087,t=6.584, P<0.05).Conclusion: Transperineal ultrasound dynamic monitoring can correctly evaluate the clinical efficacy of the contraction function of pelvic floor muscle to guide training based on its feedback in the treatment of stress incontinence of female. And this method has important clinical value.

BACKGROUND:Existing evidence has confirmed that umbilical cord blood mesenchymal stem cel s have an effect on functional recovery of a variety of damaged cel s.
OBJECTIVE:To explore the effect of umbilical cord blood mesenchymal stem cel transplantation on ovarian cancer chemotherapy.
METHODS:Sixty healthy adult female Wistar rats were randomly divided into normal control group, damage group and treatment group (n=20/group). There was no treatment in the control group, and a rat model of ovarian cancer chemotherapy damage was made in the damage group and treatment group. After successful modeling, rats in the control group were given normal saline injection via the tail vein, and those in the damage and treatment groups were given paclitaxel chemotherapy and pacligaxel chemotherapy plus umbilical cord blood mesenchymal stem cel transplantation, respectively. After transplantation of 2 weeks, mRNA and protein expressions of XAF1 and Survivin in ovarian tumor tissues were detected by RT-PCR and western blot assay, respectively. Apoptosis in ovarian cancer cel s were detected using TUNEL method.
RESULTS AND CONCLUSION:Compared with the damage group, a significant up-regulation of XAF1 mRNA and protein but a remarkable down-regulation of Survivin mRNA and protein were obtained in the treatment group (P<0.05). A severe damage to the ovarian tissues was visible in the damage group, presenting with large hemorrhage and necrosis area. This damage was markedly reduced in the treatment group. Additional y, the apoptotic rate of ovarian cancer cel s was significantly higher in the treatment group than the damage group (P<0.05). Al these findings indicate that umbilical cord blood mesenchymal stem cel transplantation aids in ovarian cancer chemotherapy to promote ovarian tissue repair in rats, and XAF1 and Survivin cannot be ignored in tumor angiogenesis and ovarian cancer cel apoptosis.

Endometrial Neoplasms ; drug therapy ; pathology ; Female ; Humans ; Precancerous Conditions ; drug therapy ; pathology ; Progestins ; therapeutic use

Objective:To evaluate the clinical effect of minimally invasive extraction of impacted supernumerary teeth.Methods :35 cases of impacted supernumerary teeth were included.Excluding extraction contraindications,preoperative X-ray or dental CT examina-tion was executed to find out the location of the impacted teeth and adjacent anatomical structures.According to the location,operation approach was selected to extract the impacted supernumerary teeth using minimally invasive apparatus.Intraoperative and postoperative feeling of the patients and the complications were recorded.Results:Operation time lasted from 1 0 to 40 minutes,average 1 5 minutes. All patients maintained good comfort in the operation.8.6% patients had postoperative adverse reactions such as mild pain and discom-fort.None had serious reactions.Conclusion:Minimally invasive extraction of impacted supernumerary teeth has less complication and less uncomfort.

Objective:To explore the relationship among plasma level of lipoprotein‐associated phospholipase A2 (Lp‐PLA2) ,ankle brachial index (ABI) ,brachial‐ankle pulse wave velocity (baPWV) and coronary heart disease (CHD) .Methods :According to results of coronary angiography ,a total of 120 patients with suspected or diagnosed CHD were divided into CHD group (n=90) and non‐CHD group (n=30) .CHD group was further divided into sin‐gle vessel coronary disease group (single vessel group ,n=30) ,double‐vessel coronary disease group (double‐vessel group ,n=30) and multi‐vessel coronary disease group (multi‐vessel group ,n= 30) .Plasma Lp‐PLA2 level ,ABI and baPWV were measured and compared among all groups .Results:Compared with non‐CHD group ,there were significant rise in plasma Lp‐PLA2 level [ (23.60 ± 13.33)μg/L vs .(36.65 ± 17.24)μg/L] and baPWV [ (1244.27 ± 127.85) cm/s vs .(1753.08 ± 284.32) cm/s] in CHD group ,P<0.01 both .In CHD group ,compared with single vessel group ,plasma Lp‐PLA2 level significantly rose [ (25.81 ± 8.97)μg/L vs .(35.03 ± 9.80)μg/L vs .(49.13 ± 21.22)μg/L] in double‐vessel group and multi‐vessel group ,and that of multi‐vessel group was significantly higher than that of double‐vessel group ( P<0.05 or <0.01 );baPWV significantly rose [ (1579.77 ± 178.05 ) cm/s vs . (1808.07 ± 272.11) cm/s ,(1871.40 ± 306.03) cm/s] in double‐vessel group and multi‐vessel group , P<0.01 both . ABI of single vessel group and double‐vessel group were significantly higher than that of multi‐vessle group [ (1.19 ± 0.08) ,(1.17 ± 0.07) vs .(1.11 ± 0.15)] ,P<0.01 or <0.05 .Conclusion:Plasma Lp‐PLA2 level ,ABI and baP‐WV are related to CHD and its lesion degree ,combined measurement of these three indexes can predict CHD and its severity more accurately ,then preventing and treating CHD should be more effective .

Objective:To observe influence of enhanced external counterpulsation (EECP) on plasma levels of lipo‐protein-associated phospholipase A2 (Lp‐PLA2) and hsCRP in patients with coronary heart disease (CHD) ,and preliminarily explore anti -inflammatory mechanism of EECP in prevention and treatment of CHD .Methods :A to‐tal of 85 CHD patients were selected from our hospital ,randomly divided into routine treatment group (n=42) and EECP group [n=43 ,received EECP based on routine treatment ,once/d ,60min each time ,continuous five weeks were regarded as one course (35 times)] .Plasma concentrations of Lp‐PLA2 and hsCRP were measured in all sub‐jects at the enrollment day and after five -week treatment .Results:Compared with before treatment ,after five-week treatment ,there were significant reductions in plasma levels of Lp‐PLA2 [(58.46 ± 40.04)μg/L vs .(33.94 ± 23.22)μg/L] and hsCRP [ (3.54 ± 2.22)μg/ml vs .(2.19 ± 1.16)μg/ml] in EECP group (P<0.01 both) ,and there were no significant difference in routine treatment group between before and after treatment .Compared with routine treatment group ,after five-week treatment ,there were significant reductions in plasma levels of Lp‐PLA2 [ (56.87 ± 33.69)μg/L vs .(33.94 ± 23.22)μg/L] and hsCRP [ (3.63 ± 1.60)μg/ml vs .(2.19 ± 1.16)μg/ml] in EECP group , P<0.01 both .Conclusion:1. EECP of one course can significantly reduce plasma concentrations of Lp‐PLA2 and hsCRP in CHD patients , indicating that anti - inflammatory may be one of its mechanism in preven‐tion and treatment of CHD .

AIM:To establish a new rat model of depression by the antagonistic relationship of antagonizing pairs of neurotransmitters in the brain.METHODS:Dopamine D1 receptor antagonist SCH23390 was injected into the hippocampus of the rats by microinjection at low, medium and high doses (1, 2 and 4 g/L) to establish a depression model.After modeling, the sucrose consumption, open-field and novelty suppressed feeding tests were used to evaluate the behaviors of the rats, and screen out the best modeling drug dose.The model of depressive rats was induced using the best modeling drug dose and the model rats were observed for 2 weeks.The stability of the model was evaluated by behavioral tests, and the contents of IL-1β and TNF-α in cerebrospinal fluid (CSF) were measured by ELISA to evaluate the safety of the model.The levels of the antagonizing pairs of neurotransmitters in the cerebral cortex and hippocampus were analyzed by the method of high-performance liquid chromatography-mass spectrometry (HPLC-MS), so as to evaluate the pathological characteristics of neurotransmitter imbalance in the brain of the model rats.RESULTS:After modeling, the rat weight, sucrose preference rate, and horizontal motion and vertical motion scores of open-field test were significantly decreased in eACh dose model group, and feeding latent periods of novelty suppressed feeding test were significantly increased, indicating a typical depressive behavior.The rats with the medium dose (2 g/L) of SCH23390 had the most significant depressive behavior.At 2 weeks after modeling, compared with the normal control group, the weight, sucrose preference rate, and horizontal motion and vertical motion scores in medium dose group were significantly decreased (P<0.01), while the feeding inhibition time was significantly increased (P<0.05).No significant difference in the content of IL-1β and TNF-α in the CSF of normal control group, blank control group and medium dose group was observed, indicating that the model did not cause obvious inflammatory injury, and the modeling method was safe.Compared with blank control group, the contents of 5-HT, NE and Glu in the left hippocampus of rats in medium dose group were significantly increased (P<0.01), and the content of DA and ACh showed decreasing trends.The contents of 5-HT, NE and Glu in the right hippocampus of the rats were significantly increased (P<0.05), and the contents of DA and ACh showed decreasing trends.The content of Glu in cerebral cortex was significantly increased (P<0.05), the contents of 5-HT and NE showed increasing trends, and the contents of DA and ACh showed decreasing trends, indicating that the model was basically consistent with the pathological features of neurotransmitter imbalance in the brain of depression.CONCLUSION:This method can successfully replicate the rat model of depression, which has the characteristics of typical and persistent symptoms, fast modeling, and safe and easy operation.Using the dosage of 2 g/L is more suitable.