>Is this in ferrets only or all animals. I have had cats and dogs that got
>them, and seemed to always end up with surgical removal. Just trying to
>figure out if this is species specific or individual specific.
 
Mast cell tumors in ferrets are generally benign, but they are an exception
to the rule.  These are really nasty in cats and dogs, and should be
removed ASAP, and the animal checked for systemic involvement.  We've lost
2 dogs at the hospital in the last 2 months to this, despite excellent
care by the owners, extensive surgery and chemo.
 
-Dr. Karen
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[Posted in FML issue 3404]