Sorcha,

I don't know a thing about these cysts other than my old Golden Retriever Schooner had one. It looked like a large saddle bag on his right hip. We had it removed and he recovered just fine. But the recovery was fairly long. It was quite a show everytime he had to pee he had to get used to lifting his off leg. Then one day he discovered that he was not only healed and not in pain anymore but he was also ambidexterous regards to peeing. I can still remember seeing Old Schooner going from tree to tree, crossing the side walk and lifting the left leg for trees on the left, right leg for trees on the right. No only was he completely healed but he developed a new skill.

I hope you do at least as well as Schooner.

Warmest regards and best wishes.

Don