Cyst or cancer?

Dr. Marie replied:

Cases like this are frustrating...especially when you are hearing different things from different vets.

It sounds like the second vet did a biopsy of the lump. The results that you quoted basically say that there is no obvious evidence of cancer but that there is a good chance that this lump is a cyst. You can never say 100% for certain if there is no cancer, but it sounds unlikely.

If this is an inflamed cyst, then antibiotics *may* help, but they may not. Sometimes surgery is necessary to cure a cyst. Or, it may just get better on its own over the next couple of weeks. By "getting better" I mean that it may not go away but it might just cease to be uncomfortable.

At this point, given that report I think that euthanasia is *probably* premature, especially if she is eating and drinking well.

But then we have the issue of dirt eating. This can sometimes be a sign of anemia (low red blood cell level). In people, anemia is often due to iron deficiency, but it's not usually the case in dogs. It's not a bad idea to have your vet repeat the red blood cell level and see if it is decreasing. There are many possible reasons for decreasing red cells, but I do get worried about this type of problem in an older dog as it can be a sign of a hidden cancer or other serious illness.

I wish I could give you more advice on how to speed her recovery but it sounds like time is necessary and possibly more tests.

Dr. Marie.


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