In this book are published papers presented at the first meeting about tomodensito- metry (Computer Tomography) which the CEPUR organized in Luxembourg in March 1977. CEPUR (College d'enseignement post-universitaire de Radiologie) is an international medical association having as its main aim the promotion of courses in advanced radiology. Several sections deal with the subspecializations, one of which is Com- puter Tomography. Thanks to the fruitful cooperation of several University Hospitals (Ancona, Leuven, Montpellier, Bruxelles, Strasbourg), the two-day meeting organized by Dr. Capesius...