>Were these ones who were turned in to your shelter after their adrenals >had been kicking up for some time? That sounds like the most common >cause of prostatic cysts. Yes, you're right. In both cases the ferrets had been turned in with symptoms that appeared to have been going on for quite awhile. Thanks for the additional info. Sandi Best Little Rabbit, Rodent & Ferret House a non-profit animal shelter 14325 Lake City Way NE Seattle, WA 98125 (206)365-9105 Open 7 days/week or visit our on-line store at: http://www.rabbitrodentferret.org [Posted in FML issue 4089]