cancer doctors

Adrenal Cancer Symptoms

Question: Has anyone out there had a necropsy done on their horse with Cancer? Please only answer this question if you have had or known personally a horse that has had necropsy performed on post euthanasia. My boy has a form of lymphatic cancer that is starting to cause a vast array of symptoms. Before anyone says "get a vet" My vet and I are in constant contact sharing information and ideas, and we've already made the very hard decission to euthanaise before winter! He does not have cushings, but he has some cushings symptoms. He has never shown signs of insulin resistence (IR). Never foundered or developed any form of laminitis. Has always been a very lively, fit, and Very enthusiastic happy horse. Bloods always come back normal. We've ruled out thyroid, liver, kidney, heart and lungs, auto immune, gastric, viral, deficiencies, and anything else you can probably think of. In the last month though, he has developed some serious hormone issues. A horse that even as a 2yr old (prior to gelding) showed very little testosterone, and as long as I've had him (was gelded at 4) Has always been so much of a 'fairy' friends of mine kept offering to buy him pink handbags and I've been prestented with pink and purple gear, because friends have seen it in shops and it was too hard to pass up buying it for my prince(ss) He is now acting like a stallion @ 20yrs. I wanted to know if you've had necropsies done on a horse with lymphatic or similar cancers, whether it was just the pituitary glands or adrenal glands as well? also... What else was found to be affected? No guess work please!! Keep it as scientific and factual as possible, Thanks Thanks Dale, I am aware of what necropsies are, and of the massive expense involved. That is why I was asking if any one had had one done as it may give me some ideas as to his care, and organ support. He is doing fairly well at the moment (it is early summer here). And is mentally quite happy. There is no way I'll be able to afford the thousands of dollars required for all the lab work. So thus why the question if any one out there had spent the money and had it done. We have been dealing with low grade obscure symptoms with this boy for about 3 years, and in a way are glad that is has actually shown it's face and allowed us to put a name to it, even if it is a little "general" I think you may have missunderstood this question. I am not asking about the process of necropsy/ autopsy. The question I'm asking is " what have others found" if they have done this. I actually have no intention of doing a necropsy myself. I already know it is cancer. I already know it is affecting his pituitary and adrenal glands. My question is about what others have found. I am not euthanaising him just so I can do a necropsy, my query is purely related to my care and drug usage, and relevance of possible contraindications and side effects of these. What symptoms to treat and which should be left alone as treatment could be contraindicative to other symptoms. PS. it is SUMMER here right now. He is not being euthanaised till OUR winter. ie MAY 2010.

Answer: Hi, I'm really sorry to hear about your horse. While I've not had a horse of mine necropsied, I have been trained to do necropsies, and I've been present during horse necropsies, as as well as done necropsies on other species. In theory, when doing a necropsy, tissue samples should be taken from every major organ, and submitted for histopathology. Sometimes, organs may be grossly normal, but microscopically abnormal, and vice versa. Unfortunately, financial constraints often limit the amount of workup you can do, so samples are restricted to 'likely' samples. In this case, you correctly point out that the brain (pituitary) might be worth sampling (or at least looking at grossly for evidence of abnormalities) as well as the adrenals. In general though, there should be a careful, gross examination of all major organ systems. I would pay particular attention to the kidneys (lymphosarcoma likes to sit in the kidneys) as well as the GI tract (lots of lymphoid tissue there), and various lymph nodes throughout the body. I would recommend, that regardless of what samples your vet submits for histo-path, that he collects samples from just about every where. That way if you don't get your answers with the first 'round' of samples, you have the possibility to go back for a second round of tests. Its always possible that your vet will open him up, and find some very obvious internal pathology, and it might not even be worth submitting anything for further workup. Hope that helps a little, and I hope you get the answers you're looking for. Edit: That's why I think you should start by only submitting samples from areas of obvious pathology, *but* collect samples from everywhere (can't go back and get possibly important samples later). Collecting samples (should be) cheap. They just have to remove a piece and chuck it in some formalin. Its the histopathology and interpretation that becomes most expensive. I've seen vets do a 'field necropsy' in a fairly short order, superficially examining pretty much everything for obvious signs of pathology. Hopefully you'll see something obvious when you get in there, or at least something suspect, and you can focus the further diagnostic workup. Regardless of if you choose to work up the adrenals and the pituitary, I'd recommend taking samples of them (pituitary might be more expensive to get a sample of though), as well as taking samples (that you can hold back from the lab) of elsewhere, so you can follow the diagnostic story to its conclusion. There is nothing more frustrating than seeing evidence of potential pathology, but be unable to follow it up because you never took a sample of the appropriate organ.


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