[First experiences with ultrasonic diagnosis using gastroenterologic endoscopy in Hungary].

The authors were the first to gain experiences with gastroenterological endoscopic ultrasonography (EUS) in Hungary. Their examinations included the study of the esophageal wall and its environment as well as that of the stomach wall and the neighbouring organs. The construction of the instrument, the technique of the method and the indication for EUS are described on the basis of the authors' experiences and the literary data.

Ultrasonography in the preoperative diagnosis of chronic pancreatitis causing severe obstruction, and in indication for surgery.

It is pointed out that some cases of chronic pancreatitis causing severe obstruction may clinically simulate tumour. This can occasionally be confirmed by other examinations (e.g.