30 years of Katayama’s article on ionic and non-ionic contrast media: appreciation of well and less known facts of a milestone paper

摘要

The corona virus COVID19/SARS-Co2 controls worldwide life in all its facets as well as the topics of medical publications. Nevertheless, there are still other topics. We should regard other topics even in these Corona times, too. Therefore, the goal of this comment is to celebrate a historical event. Which event? 125 years ago, Wilhelm Conrad Roentgen discovered the so-called X-rays. Indeed, for radiologists an important event, but Mr. Roentgen is not the one I will congratulate. Another milestone in radiology is the original paper by Hitoshi Katayama and colleagues (1) published 30 years ago. This famous work is the focus of the comment.