Hi Trini, This is Terri from the old AOL Boards. I was doing some searching tonight about Panosteitis/Shelties & saw your post about Simba. We have a new pup (21 months old now) that we suspect has this. Xray did not show anything unusual so we went to an Orthopedic Specialist. His symptoms are limping on rotating back legs/whichever he has been laying on. I’d love to hear from you on this.