The new ARFI method allows accurate elastography of the spleen. The stiffness of the normal spleen is much higher than that of the normal liver and increases with age. However, spleen elastography is inferior to liver elastography for the detection of portal hypertension.

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In order to check the value of sonography in the diagnosis of Crohn's disease, 81 patients who suffered from Crohn's disease were examined by means of real-time B-mode ultrasound. Bowel wall infiltration along the terminal ileum that could be shown to involve the coecum as well, appeared to be a reliable parameter in the diagnosis of Crohn's disease. This finding was most pronounced in acute disease whereas in chronic or mild disease, characteristic signs of Crohn's disease were absent. Among the complications of Crohn's disease formation of intraabdominal abscesses can be demonstrated by sonography. From our results we propose to employ diagnostic ultrasound in the acute stage of disease. After remission the diagnosis should be confirmed by endoscopy and X-ray examinations.

Objective of the present study is to provide a current overview of the present state of research in abdominal ultrasound in the gastroenterological departments of university hospitals in Germany. We conducted a survey assessing the number of research projects in progress, sources of financial support, sponsorship by the private sector and publications generated. Reports from 28 of 35 gastroenterological departments responding to the survey indicated that a total of 124 research projects were in progress during the survey period, for an average of 3.5 projects per department. Clinical issues were addressed in 78 studies, technical questions in 33 studies and other questions in 13 studies. Of the 117 publications generated, 50 appeared in German-language journals and 67 in English-language journals. At present, neither the German Research Association (DFG) or the European Union (EU) is financially underwriting an ultrasound research project in the gastroenterological department of any German university hospital. Ultrasound remains the most frequently applied diagnostic imaging technique in gastroenterology. In order to convert the enormous technological progress into improved diagnostic capabilities, there must be a significant expansion in research support for gastrointestinal ultrasound.

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