Cat Forum / Health and Behavior / December 2004
hyperthyroid
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theothertom - 30 Nov 2004 21:50 GMT Tess, my 10 year old domestic shorthair, has been diagnosed with hyperthyroid disease. According to the blood workup, levels are around 12%. Currently, she is taking 1/2 mil of Tapazole twice per day. I am familiar with the three different treatments and have opted for the liquid dose for now since she was just diagnosed three weeks ago during her yearly vet visit. I am wondering what other owner's experience has been in regard to this diagnosis and care.
Thanks.
Tom
Save Maia Kitty - 01 Dec 2004 02:11 GMT I just had my kitty treated using Radioactive Iodine Therapy. Since the procedure is costly, I made a website in an effort to raise money: www.savemaiakitty.com. I think you may find some stuff on my site informative re the treatment...if I can be of further help, please let me know! We wish kitty Tess wellness!
> Tess, my 10 year old domestic shorthair, has been diagnosed with > hyperthyroid disease. According to the blood workup, levels are around [quoted text clipped - 7 lines] > > Tom Mary - 01 Dec 2004 02:27 GMT > I just had my kitty treated using Radioactive Iodine Therapy. Since > the procedure is costly, I made a website in an effort to raise money: > www.savemaiakitty.com. I think you may find some stuff on my site > informative re the treatment...if I can be of further help, please let > me know! So you have already paid for the treatment and expect people to reimburse you? Unbelievable.
icedog - 06 Dec 2004 20:33 GMT > > I just had my kitty treated using Radioactive Iodine Therapy. Since > > the procedure is costly, I made a website in an effort to raise money: [quoted text clipped - 4 lines] > So you have already paid for the treatment and expect people to > reimburse you? Unbelievable. Hear, hear. Half the USA seems to be overweight due to bingeing on Wendyburgers, or suffering from cancer due to Marlboro cigarettes. The other half are suing. If one can't afford all eventualities then don't contemplate owning a cat or having kids. Yep, I know. I live in UK and things aren't much better here.
Icedog
Mary - 06 Dec 2004 21:06 GMT > > > I just had my kitty treated using Radioactive Iodine Therapy. Since > > > the procedure is costly, I made a website in an effort to raise money: [quoted text clipped - 8 lines] > Wendyburgers, or suffering from cancer due to Marlboro cigarettes. The other > half are suing. If one can't afford all eventualities then don't contemplate owning a cat or
> having kids.Yep, I know. I live in UK and things aren't much better here. > > Icedog Heh heh. You're funny.
jamie - 01 Dec 2004 08:20 GMT > I just had my kitty treated using Radioactive Iodine Therapy. Since > the procedure is costly, I made a website in an effort to raise money: > www.savemaiakitty.com. I think you may find some stuff on my site > informative re the treatment...if I can be of further help, please let > me know! Gideon (17 yrs) had thyroid surgery a few months ago, and recovered beautifully. His thyroid was hugely overgrown, so he wasn't a good candidate for radiation treatment, as it could have been cancerous growth (fortunately it wasn't). The vet said that the lobe of thyroid removed was almost as big as her thumb. As I understood it, it was supposed to be about the size of a peppercorn.
He came home with about a 3/4 inch vertical incision in his lower throat, which she'd closed with dissolving stitches, so he didn't need to go back to have them removed, and a bottle of Metacam drops for pain (he'd also had a couple of teeth pulled), which I mixed with a spoonful of chicken babyfood when he started to perk up after he'd been home a little while. By the time the anesthesia completely wore off a few hours later, he was alert, had a good appetite, and was purring normally (rather than a hard-breathing pain-purr --I'm sure you all know what I mean).
 Signature jamie (jamiemck@newsguy.com)
"There's a seeker born every minute."
Phil P. - 01 Dec 2004 12:21 GMT > > I just had my kitty treated using Radioactive Iodine Therapy. Since > > the procedure is costly, I made a website in an effort to raise money: [quoted text clipped - 8 lines] > removed was almost as big as her thumb. As I understood it, it was > supposed to be about the size of a peppercorn. I guess your vet didn't tell you, I-131 destroys hyperplastic and *neoplastic* thyroid cells even at ectopic sites. Normal thyroid tissue tends to be protected from the effects of radioiodine, since the normal thyroid tissue is suppressed.
> He came home with about a 3/4 inch vertical incision in his lower > throat, which she'd closed with dissolving stitches, so he didn't need [quoted text clipped - 5 lines] > normally (rather than a hard-breathing pain-purr --I'm sure you all > know what I mean). There is always a chance that the cat might have hyperfunctioning thyroid tissue at ectopic sites -- usually in the anterior mediastinal area -- which may be very difficult to resect surgically. Also, there's always the chance that the hyperthyroidism will not be cured with surgery -- or that it will reoccur a few months to a few years after thyroidectomy. In addition, there's about a 10% fatality rate associated with surgery.
I'm not crazy about radioiodine, either, but its a much, much better choice than thyroidectomy.
I'm glad the surgery went well, but I would *never* recommend it.
Phil
jamie - 01 Dec 2004 23:38 GMT >> > I just had my kitty treated using Radioactive Iodine Therapy. Since >> > the procedure is costly, I made a website in an effort to raise money: [quoted text clipped - 13 lines] > tends to be protected from the effects of radioiodine, since the normal > thyroid tissue is suppressed. I assume that you mean that the radioactive iodine treatment would have killed cancerous tissue -- but this growth was so large that it was pushing into and interfering with his esophagus or trachea (I don't remember which). I could not imagine why the previous vet did not find it palpating his throat, when the new vet showed it to me.
 Signature jamie (jamiemck@newsguy.com)
"There's a seeker born every minute."
Phil P. - 02 Dec 2004 02:21 GMT > >> > I just had my kitty treated using Radioactive Iodine Therapy. Since > >> > the procedure is costly, I made a website in an effort to raise money: [quoted text clipped - 19 lines] > (I don't remember which). I could not imagine why the previous vet > did not find it palpating his throat, when the new vet showed it to me. I've read enough of your posts to think you're definitely not a person who would allow a disease progress that far. So I kinda figured some incompetent vet might have missed it - Really, an enlarged thyroid - especially that size - is not that difficult to detect.
Again, I've very happy he pulled through ok.
Phil
teri - 03 Dec 2004 01:53 GMT >> I guess your vet didn't tell you, I-131 destroys hyperplastic and >> *neoplastic* thyroid cells even at ectopic sites. Normal thyroid tissue >> tends to be protected from the effects of radioiodine, since the normal >> thyroid tissue is suppressed. normal thyroid tissue takes up radioactive iodine, which is why when you have cancer in one lobe, the other one is removed also. otherwize the good lobe will take up the treatment and it won't do any good.
>I assume that you mean that the radioactive iodine treatment would >have killed cancerous tissue -- but this growth was so large that >it was pushing into and interfering with his esophagus or trachea >(I don't remember which). I could not imagine why the previous vet >did not find it palpating his throat, when the new vet showed it to me. hard to believe is right. it was probably displacing both the esophagus and trachea. glad it was taken care of and he is doing so well! teri
Phil P. - 03 Dec 2004 08:02 GMT > >> I guess your vet didn't tell you, I-131 destroys hyperplastic and > >> *neoplastic* thyroid cells even at ectopic sites. Normal thyroid tissue [quoted text clipped - 4 lines] > you have cancer in one lobe, the other one is removed also. otherwize > the good lobe will take up the treatment and it won't do any good. You couldn't be more mistaken. Think about what you're saying. If radioiodine was taken up by normal thyroid tissue it would *kill* the cat.
Radioiodine is concentrated primarly in the hyperplastic or neoplastic thyroid cells where it destroys *only* hyperfunctioning tissue. Normal thyroid tissue is protected since its supressed and gets only a *small fraction* of the dose. IOW, normal thyroid tissue takes up very, very little of the radioiodine dose - the vast majority is concentrated in the hyperplastic or neoplastic tissue where it destroys *only* the hyperfunctioning tissue.
We've treated a few cats with I-131 that had thyroid carcinomas with comple success. So I can say, with *absolute* certainty, I-131 destroys cancerous thyroid cells while sparing normal tissue.
Phil
Mary - 03 Dec 2004 15:32 GMT > > >> I guess your vet didn't tell you, I-131 destroys hyperplastic and > > >> *neoplastic* thyroid cells even at ectopic sites. Normal thyroid [quoted text clipped - 7 lines] > > You couldn't be more mistaken. Think about what you're saying. Teri is a declaw advocate that allows her cats outside to roam in a busy urban area, Phil. You ask too much.
teri - 03 Dec 2004 23:54 GMT >Teri is a declaw advocate that allows her cats outside to roam >in a busy urban area, Phil. You ask too much. maybe you should should cut back on your alcohol intake. you have become delusional, and very old.
Mary - 04 Dec 2004 00:43 GMT > >Teri is a declaw advocate that allows her cats outside to roam > >in a busy urban area, Phil. You ask too much. > maybe you should should cut back on your alcohol intake. > you have become delusional, and very old. Very insightful. Now see if you can learn to use your caps key and understand that your posts are archived in Google. Forever. That would be the Google outside my head.
Cheryl - 04 Dec 2004 05:25 GMT On Fri 03 Dec 2004 07:43:08p, Mary wrote in rec.pets.cats.health+behav (news:wK7sd.1644$Pw1.387683 @twister.southeast.rr.com):
>> >Teri is a declaw advocate that allows her cats outside to roam >> >in a busy urban area, Phil. You ask too much. [quoted text clipped - 5 lines] > in Google. Forever. That would be the Google outside > my head. wtf?
 Signature Cheryl
Mary - 04 Dec 2004 16:27 GMT > On Fri 03 Dec 2004 07:43:08p, Mary wrote in > rec.pets.cats.health+behav (news:wK7sd.1644$Pw1.387683 [quoted text clipped - 11 lines] > > wtf? Also very insightful. Let me just have another double maritini and I'll ponder the wisdom.
teri - 03 Dec 2004 23:59 GMT >You couldn't be more mistaken. Think about what you're saying. If >radioiodine was taken up by normal thyroid tissue it would *kill* the cat. when you do a total thyroidectomy there is no thyroid tissue left of course. but you could be right, I was thinking about how we treat humans. we always preach that children are not small adults, so I guess I must remember that cats are not small children... t.
theothertom - 03 Dec 2004 15:56 GMT > I just had my kitty treated using Radioactive Iodine Therapy. Since > the procedure is costly, I made a website in an effort to raise money: > www.savemaiakitty.com. I think you may find some stuff on my site > informative re the treatment...if I can be of further help, please let > me know! I am aware of this type of therapy, but for the time am sticking with the oral med.
> > We wish kitty Tess wellness! Thanks,
Tom
Barb - 01 Dec 2004 02:36 GMT My cat has had hyperthyroid for several years. She's on Tapazol and is doing fine. She is 13 years old.
-- Barb Of course I don't look busy, I did it right the first time.
theothertom - 03 Dec 2004 15:43 GMT > My cat has had hyperthyroid for several years. She's on Tapazol and is > doing fine. She is 13 years old. [quoted text clipped - 3 lines] > Of course I don't look busy, > I did it right the first time. Good to hear that Barb. Seems the Tapazol works well for most.
Tom
Tiger Girl - 01 Dec 2004 04:37 GMT My fifteen year old was diagnosed with hyperthyroid. Had lost quite a bit of weight, drank ferociously, and lost a lot of tone to his coat before we got the dosage (Tapazole) all worked out. We gave him the pill form and hid it in a little lump of canned cat food. He ate it with no problems at all.
One thing you need to be careful is that the hyperthyroidism can mask kidney problems. I can't remember how this works, but has something to do with the increased blood volume or blood supply from the thyroid problem putting the kidneys into overdrive. In any case, it's not uncommon to discover that the cat has a kidney problem when you get the thyroid levels corrected. You probably want to find out from the vet what level of water consumption is normal for your cat and your cat's condition, and then monitor its intake very carefully. My vet told me to expect "increased" intake from the thyroid, etc. and I therefore wound up missing the early, and presumably more treatable, stage of kidney failure. :( :( :( :(
Tibby is now pushing up the daisies, or will be in the spring at least. He was 17, though, so this was a more normal passing than it would have been if he were 10.
>Tess, my 10 year old domestic shorthair, has been diagnosed with >hyperthyroid disease. According to the blood workup, levels are around [quoted text clipped - 7 lines] > >Tom theothertom - 03 Dec 2004 15:52 GMT > My fifteen year old was diagnosed with hyperthyroid. Had lost quite a > bit of weight, drank ferociously, and lost a lot of tone to his coat > before we got the dosage (Tapazole) all worked out. We gave him the > pill form and hid it in a little lump of canned cat food. He ate it > with no problems at all. I use the liquid in tuna juice from tuna packed in water. I probably should not be doing this due to the mercury concerns regarding tuna. She is not an easy cat to pill or place anything in her mouth, like most cats.
> One thing you need to be careful is that the hyperthyroidism can mask > kidney problems. I can't remember how this works, but has something [quoted text clipped - 7 lines] > therefore wound up missing the early, and presumably more treatable, > stage of kidney failure. :( :( :( :( Yes, I had read about this. Tess does not appear to be drinking water exessively, but I am watching.
Thanks,
Tom
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