Ive just felt a lump on the back of Millie's neck. At first I thought it was her microchip but it feels bigger than this, and normally a microchip feels exactly like a grain of rice.

It doesnt appear to hurt her, and moves around to an extent. She had her vax booster a month or so ago, and I have read some people online saying that it can be a reaction to this.

I know people will say get it checked out at the vets, and I will make an appointment tomorrow. I just wondered if anyone had encountered anything similar. I am such a worrier when it comes to my cats!

I've certainly had the same reaction post injection which only lasted a few days. I'm not saying it's anything serious and may well be something completely unrelated, but best to have it checked anyway. Hopefully though it will go away on it's own!

Thanks for the reply.

Its almost exactly a month after her vaccinations, and is about the size of a pea. Id imagine if it were a reaction to the vax it would've come up before now? But then again, It may have done and I might just not have noticed.

I'll ring the vets tomorrow.

It could be a Lipoma, which is completely harmless....but your vet will be able to tell you for certain.

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Nellie Paddy Mitzy Milo Peggy Murphy

Millie and Monty, the White Devils!

I'd take her into the vet ASAP.

I'll make the same recommendations here as on another thread recently. There's been a report released which recommends that cats are vaccinated either into the ckin over the chest or into one of the rear legs, changing legs each year. This means that ifa sarcoma does happen, it can be removed.

Please, even if you think the risk is incredibly low as I do, just have it done this way. It minimises the possibility of losing a cat to sarcoma even more, and isn't that much more uncomfortable for the cat.

Thankyou for the advice. She was vaccinated a month ago and all I have read online abour sarcomas says that it becomes a concern if present after 3 months. Im considering keeping a very close eye on it for a week or two, and taking her to the vets if it is still there then, or sooner if it changes.

I am also wondering if it might be her microchip - I have felt them in cats before and it feels a similar size, but a little fattier.

Better have it checked ASAP.
If it is a sarcoma, the sooner it is removed, the better. And if it is harmless, you will not be worrying for nothing for the next couple of weeks.

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Jiskefet & the mognificent Dutch bunch

My little angels at the rainbow bridge

You are right jiskefek - I am still worrying about it, even though it is tiny.
I
think the thought of being charged £30 to be told its her microchip is niggling as I dont have any money until pay day, but I suppose that is the better option and worth it for peace of mind.

I took my kitten to the vet a couple of weeks ago with a lump in her neck. It was bigger than a pea size and very round. She had had a leukemia vaccination 2 weeks before and the vet thought it was probably a reaction to this although he did say usually the lump was not perfectly round like hers was. The vet did not charge me as he said if it was a reaction to the injection they felt they were to blame so don't charge. He did also say that reactions to vaccinations usually occurred around 3 weeks after so yours could easily be a reaction.

Your vet is absolutely right. If it is a reaction to a vaccination, you should not be charged. A lump like that is a result of their choice of vaccine and/or their style of injecting.
It is very good of him to admit to it, though.

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Jiskefet & the mognificent Dutch bunch

My little angels at the rainbow bridge