I have, for what it helps, searched the web for some more information regarding the RVG type of DICOM file. Maybe some hints can be gleaned from that: http://www.44342.com/network-protocols-f546-t2480-p1.htm https://forum.dcmtk.org/viewtopic.php?t=1075 Karsten -- GPG 40BE 5B0E C98E 1713 AFA6 5BC0 3BEA AC80 7D4F C89B