I think you are right, Sue. Although I've only seen photos of RRD, that is what my first thought was when I saw the photo.
Debra, you have to remove the plant from your garden and dispose of it carefully or your other roses will get infected. Make certain you get all of the roots, too. You cannot save a rose once it is infected by RRD. Also, check every rose in your garden for this kind of odd growth and remove them asap.
The infection may not show up on the other roses in your garden at this time of year, so really check them carefully in spring, too.
Lyn
