Medical imaging is a medical discipline with strong practicality.Picture archiving and transmission system ( PACS ) provides a convenient and effective method for the clinical teaching of diagnostic imaging,especially for the students from the University of Traditional Chinese Medicine.Applying PACS is more convenient to gain and manage typical images,more effective to study and teach individually and easier to probe novel method for medical imaging.

Objective To explore the clinical effectiveness of transcervical resection of polyps (TCRP) under hysteroscopes and dilatation and curettage in treatment for endometrial polyps infertility.Methods Ninety patients with endometrial polyps infertility from October 2010 to August 2012 were enrolled in this study.In them,45 patients were treated with TCRP under hysteroscopes (TCRP group),45 patients were treated with dilatation and curettage (dilatation and curettage group).Patients were followed up for 1 year,menstrual blood volume and endometrial thickness in ovulatory before operation and after operation for 3,6 and 12 months were recorded and compared between two groups.While the recurrence rate after operation for 6,12 months and 1-year pregnancy rate were also recorded and compared between two groups.Results The menstrual blood volume and endometrial thickness in ovulatory before operation between two groups had no significant difference (P ＞ 0.05).The menstrual blood volume after operation for 3,6 and 12 months in TCRP group was (125.2 ±56.4),(154.0 ±72.3) and (189.8 ±96.6) ml,respectively.While in dilatation and curettage group was (215.3 ± 87.8),(267.5 ± 98.4) and (297.5 ± 125.6) ml.There were significant differences (P ＜ 0.05 or ＜ 0.01).The endometrial thickness in ovulatory after operation for 3,6 and 12 months in TCRP group was significantly lower than that in dilatation and curettage group (P ＜ 0.05 or ＜ 0.01).The recurrence rate after operation for 6,12 months and 1-year pregnancy rate in TCRP group was 4.4％ (2/45),8.9％ (4/45)and 20.0％ (9/45) ; in dilatation and curettage group was 8.9％ (4/45),35.6％(16/45) and 26.7％ (12/45).The recurrence rate after operation for 12 months in TCRP group was significantly higher than that in dilatation and curettage group (P ＜0.01).Conclusions The prospective efficacy of TCRP under hysteroscopes in treatment of endometrial polyps infertility is better than dilatation and curettage.It is one of better methods and worthy to spread.

[Objective] To study the difference between stable angina(SA) and unstable angina(UA) on monocyte chemoattractant protein-1(MCP-1)and homocysteine(HCY)concentrations, to define its clinical meaning to angina. [Method] Select 67 cases of UA and 65 cases of SA, take 60 normal persons of similar age as healthy control group; col ect the vein blood within 12h at the last attack of UA group, col ect the vein blood in early morning for SA group and control one; measure serum MCP-1 and HCY with ELISA method. [Result] The MCP-1 and HCY levels had difference among al groups, among which, groups UA and SA were higher than control one, with difference of statistical meaning; while UA group was higher than SA group, with difference of statistical meaning. [Conclusion] In angina patients, the serum inflammatory factors MCP-1 and HCY levels are higher than healthy persons, UA higher than SA patients;to test MCP-1 and HCY levels is helpful to identifying and screening high-risk angina patients.

Objective .To evaluate the role of cystatin c in the risk judgement of coronary artery disease. Methods 77 patients with coronary artery disease were involved in the study.They were divided into two groups:Group 1 were patients with angiographically diagnosed coronary artery disease ( CAD) with their first acute coronary syndrome ( n=55);Group 2 were patients who had clinically diagnosed coronary disease but were negative on angiog-raphy ( n=22) .Serum Cys C levels in the two groups and the correlation to CAD were analyzed.Results Serum Cys C levels in patients of Group 1 were higher than that of Group 2 [(1.23 ±1.07)mg/L vs.(0.71 ±0.32)mg/L,P=0.002],but no significant difference was found between the two groups in crea levels [(123.76 ±80.44)μmmol/L vs.(117.63 ±65.43)μmmol/L,P=0.230].A ROC analysis revealed that there was a significantly higher risk of ACS above a cystatin c level of 0.875mg/mL (sensitivity:84.3%,specificity:38.8%).A similar analysis carried out for eGFR did not find any significant cut-off points above which risk of ACS was higher.Conclusion The data showed that a high level of cystatin c level is a risk factor for ACS.This could play an important role in the early diag-nosis and prevention of adverse cardiovascular events.

The effect of tubal obstruction on sexual behavior and physical strength has been observed in mice. The appearance of vaginal plug was used as an index of coitus and the interval that the mice could swim in the water tank till death as an index of physical strength. There was no significant differences between the operation group and the control group. Besides, the oestrous cycle still appeared regularly in the operation group. It shows that the tubal obstruction may not affect the normal sexual behavior, physical strength and the ovarian function

Background and purpose:Patients with lung cancer often have metastases to the mediastinal and/or hilar lymph node.Three dimensional conformal radiation therapy(3-DCRT) has been used for the treatment of lung cancer.The delineation of the lymph nodes metastasis based on CT transections may be variable from doctor to doctor.It is necessary to standardize the definition of lymph nodes regions on CT scans.Methods:Retrospective studies were performed with the enhanced CT scans and/or PET/CT imaging of patients with NSCLC before treatment from November 2004 to November 2005.A series of thoracic enhanced CT scans from a middle stature female was selected as the model.Positive mediastinal and hilar lymph nodes were marked as red points on the CT model according to its relative position.Based on standardized definition of regional lymph nodes and the actual metastasized regional nodes on the images,the boundaries were delineated by Adobe Photoshop CS software and the metastasized regional lymph nodes were delineated on the Exomio 2.0 system.Results:Forty patients with enhanced CT data were enrolled in this study.Ten cases also underwent PET/CT examination.There were 278 positive lymph nodes that were detected and marked on the CT model.We defined the boundaries of regional lymph nodes of Group 1-2R,1-2L,3A,3P,4R,4L,5,6,7,8,10-11R and 10-11L,and delineated the above regional lymph nodes on template of CT model.Conclusions:Clear definition of mediastinal and hilar lymph region boundaries on CT images provides guidelines for the clinical staging of lung cancer and the contouring nodal drainage for 3-DCRT.It is essential to make target volumes more repeatable with good conformity in contour for conformal irradiation,which would benefit the clinical diagnosis,staging and therapy of lung cancer.

This paper reports on the clinical analysis and medical statistice of 131 elderly patients of ischemic heart disease. We preliminary suggested that this disease is in common at the age of 60—75, and its incise is roughly the same between the male and female. The predisposing factor to the develoment of this disease are hypertension, cholesterolemia and diabetes. The significant changes can be seen in the electrocardiogram, ultrasonic cardiogram or x-ray examination, especially in the cases of myocardial sclerosis.

The time-density curves were collected in 106 patients with intracranial tumors.A de- tailed analysis was made among 66 of them whose illness was determined surgically and pathologically.The scanning technique,method of administration of contrast material in dy- namic CT and its value in the qualitative and differential diagnosis of intracranial tumors were discussed.We consider that 1.dynamic CT scan is performed safely and reliably without trauma or pain on patients.2.Due to their various degrees of vascularity and disorders in the blood-brain barrier,different histological kinds of brain tumors have their own typical time-density curves.3.Vascular disorders such as aneurysm,angioma and arteriovenous mal- formation can be determined and differentiated from intracranial tumors or granuloma based on the typical time-density curves.4.Dynamic CT study is of some value in differential diagnosis of various kinds of brain tumors and is important in differentiation between brain tumors and granulomatous lesions.

CT signs of 20 cases of brain abscess confirmed surgically and pathologically were analyzed in this article. They are often of hypodense lesions with obscure borders. Their periphery presents an isodense image before contrast enhancement, and a clear circular and thin-wall enhancement after contrast enhancement. We conclude that it is necessary to differentiate brain abscess from some intracranial tumors and cerebral cysticercosis sometimes.

CT demonstration of 4 cases of infratentorial haemangioblastoma and 2 cases of supratentorial malignant haemangiopericytoma conformed surgically and pathologically in our hospital were analyzed in this article. We think, that Infratentorial cystic haemangioblastoma has typical CT demonstrations. In general, the qualitative diagnosis of it may be achieved. CT demonstration of supratentorial malignant haemangiopericytoma is atypical, so it is difficult to differentiate from other intracranial tumors and brain abscess. In the end it is only defined by histology.