Electronic EUS provided better quality images according to the examiner's subjective assessment. An objective advantage was faster identification of the distal CBD.

The new needle achieves sensitivities similar to those previously reported with no significant differences in sensitivity between cytology and histology. More effective tissue acquisition methods must be sought to improve overall results.

No abstract

schen 1928 und etwa 1955 Thorotrast, eine 24bis 26prozentige kolloidale Lösung von Th02 (Thoriumdioxid), aus diagnostischen Gründen inkorporiert haben. Das radioaktive Kontrastmittel war um 1928 zu-

No abstract