Even one little cheese nip could cause pancreatitis in some dogs - I know that one little cheese nip costs me a bundle in vet bills. Prayers for a quick recovery. Please keep us posted as to how she is doing.
They really don't know what causes pancreatitis, but rich fatty foods seem to be the culprit in many of the cases. I would think if would be most likely something she ate within 24 hours of the symptoms, not 8 months ago. I've seen other posts with parmesan causing problems, definitely discontinue the use of that.
Here's one link that gives an overview of pancreatitis.
http://vetmedicine.about.com/cs/dogd...ncreatitis.htm