Seven cases exhibited segmental bile duct dilation with filling defects. One case only showed dilatation of lobar bile ducts. Conclusion MRI features of IPNB are helpful for distinguishing IPNB from other hepatic lesions.

Objective To evaluate the value of liver acquisition with volume acceleration(LAVA) in the diagnosis of hepatic outflow abnormalities.Methods LAVA was performed in 78 patients with suspected hepatic outflow abnormalities,thrombosis,stenosis,occlusion,or compression,including 71 hepatocellular carcinomas and 7 Budd-Chiari syndrome.Image quality and the presence of venous abnormalities and collaterals were evaluated.Results LAVA images were of diagnostic quality and without artifact in all patients.LAVA clearly showed the vascular anatomy and various disorders.The site,extent,cause of venous obstruction,and collateral pathways were well depicted.Conclusion LAVA is simple to perform and accurate in detecting hepatic outflow abnormalities.

ObjectiveTo investigate whether intracerebral transplantation of heterogenous neural stem cells(NSCs) may cause immunal rejection or not.MethodsNSCs derived from the brain of embryonic 16-day Wistar rat were cultured in vitro. Cerebral ischemic SD rat models were made by middle cerebral artery occlusion and NSCs were transplanted into the ipsilateral or contralateral caudate nucleus 4 days later. Rats were sacrificed at different time points after transplantation, the reaction and proliferation of mononuclear phagocytic system(MPS) and splenic follicles as well as the survival and migration of NSCs were checked.ResultsNumerous NSCs survived and migrated toward the lesion in vivo. Comparing with control group that did not receive NSCs transplantation, there was no significant infiltration of mononuclear phagocytes or proliferation of splenic follicles in NSCs transplanted rats.ConclusionsIntracerebral transplantation of heterogenous neural stem cells did not cause remarkable immunal rejection.

OBJECTIVE: To investigate the effect of LARS artificial ligament on reconstruction of anterior and posterior cruciate ligament of keen joint.METHODS: Articles addressing reconstruction of anterior and posterior cruciate ligament by LARS artificial ligament were retrieved from VIP database (http://www.cqvip.com/) with the key words of "LARS artificial ligament, cruciate ligament,reconstruction" in Chinese between January 2000 and February 2010.Inclusion criteria: advantages and disadvantages of reconstructing anterior and posterior cruciate ligament by LARS artificial ligament; clinical application of reconstructing anterior and posterior cruciate ligament by LARS artificial ligament.Exclusion criteria: Duplicated studies or old references were excluded.A total of 31 articles were included in the final analysis.RESULTS: Reconstruction of anterior and posterior cruciate ligament by LARS artificial ligament characterized by convenient operation, short operative time, mild trauma, engaging in movement early, great strength, simple implantation, and reliable fixation; however, most patients were not able to bear the high medical cost, thus clinical application was limited.Scholars thought that LARS artificial ligament had great effects on reconstruction of anterior and posterior cruciate ligament.CONCLUSION: Patients who had multi-ligament injury, overhauling of ligament, and early movement were treated with LARS artificial ligament.

ObjectiveThe aim of this paper is to investigate more effective ways in postgraduate academic training and research management by analysis of the scientific papers published in graduate school period.MethodsThe categories,quantity and quality of the scientific papers published by postgraduate students in Beijing Neurosurgical Institute from 2001 to 2010 were analyzed statistically.ResultsThe quantity of papers published by postgraduate students has been stably improved year by year,and the quality of the papers has shown an obvious tendency of increasing.ConclusionsAn outstanding research capability of the whole institute,the strict demand of supervisors and the reasonable encouraging systems in scientific research management are all the guarantee of the improvement of academic research ability of postgraduate students in Beijing Neurosurgical Institute.

Based on B.S. Bloom's taxonomy of educational objectives, development of medical students' core competence requirements is paid great attention to meet the needs of society within worldwide medical education community. The Institute for International Medical Education has developed the “Global Minimum Essential Requirements in Medical Education” of medical students' core competence oriented in the educational objectives of physicians.

After the problems found in academic information push service and information literacy training of sub-ject librarians in Medical Library of Chinese PLA were analyzed , the concrete contents of subscribing personal RSS products in a certain institute of Academy of Military Medical Sciences and the feedback of its users were described with suggestions put forward for deepening the academic information push service, such as establishing personal RSS account for research rooms and implanting certain RSS subscription contents into the subject service platform.

Data management service abroad provided by subject librarians in biomedical field for scientific researchers, and the model, contents and efficiency of subject librarians-provided biomedical research data management service in NIH were analyzed according to the need for scientific research data management service in biomedical researchers . The enlightenments of biomedical research data management service abroad on the subject service in our library were elaborated .

OBJECTIVE:To develop a new electronic medication record web page and facilitate its remote data management.METHODS:With the aid of the Windows 2000 platform,the new electronic medication record web page was set up by using Visual Studio.Net,and its remote data management was achieved by using SQL Server.RESULTS:With the new mode of electronic medication record web page,detailed and accurate clinical data become available for clinical pharmacists and a remote data management has come off,furthermore,it is easy to operate.CONCLUSION:As a new mode of electronic medication record,it deserves to be popularized in clinical pharmacists.

Objective To investigate the ultrasonographic characteristics of angiofollicular lymph node hyperplasia (AFH). Methods The ultrasonographic and pathological characteristics in nine patients with pathologically confirmed AFH were retrospectively analyzed. Results All the 9 patients were hyaline vascular type of AFH. Ultrasonic manifestations included complete capsule, regular shape and clear boundary, internal solide low echo, mild posterior echo enhancement and without cystic degeneration, which was relative to the less incidence of necrosis and hemorrhage on pathologic findings. Calcification in the lesions were found in two patients. Color Doppler flow signals were observed in the periphery of lesions in 9 patients, and rich flow signals were observed in the center of lesions in 2 of them. Conclusion The ultrasonic manifestations of AFH has its own characteristics. The ultrasonic manifestations combined with clinical features are helpful to the differential diagnosis. The final diagnosis depends on pathologic examination.