Affiliation: | (1) Department of Diagnostic Imaging, Central Railway Hospital, Bursztynowa 2, 04 749 Warsaw, Poland e-mail: d.figatowski@apexim.com.pl Tel.: + 48-22-6 13 19 76 Fax: + 48-22-6 13 19 76, PL;(2) Department of Radiology and Diagnostic Imaging, Medical Centre for Postgraduate Education, Warsaw, Poland, PL |