So about 2 weeks ago my little brat of a pup escaped and was hit by a car. She was taken to the Vet and checked out and was 100% okay. I personally wasn't but I don't think Akira minded. Anyway, about half a week later I noticed a bit of a bump roughly around the size of a 5 cent coin. I know that might not mean much to many of you as I have noticed majority of you are from America, but that is the best I can do haha. The bump hasn't gone down nor has it gotten bigger. Should I be worried or should it be okay to leave for another week and then take her to the vet if nothing has changed?

I'd watch her for any kind of incoordination, pupil size discrepancy, drowsiness...but highly unlikely 2 weeks out.

Maybe totally unrelated to accident, watch for growth.

Hope she's ok.

Exactly where on her head is the bump? Where is it in relation to where she was hit?

Many dogs have a "knowledge bump" situated between their ears but behind them - that bump is perfectly normal. If an Aussie five cent coin is even close to a US five cent piece, that'd be about the right size as well.

I think the proper name for the "knowledge bump" is occiput.  Lycus has one as well.

What exactly is a knowledge bump/occiput? Never heard of it before.

Lucy, it's basically the hard bump you'll sometimes see on top of some dogs head. It's more prominent in dogs like labs or hunting dogs.

Haha, I've learned something new today!!

Yeah it is in that exact spot. Maybe I never fully noticed and was being a worry wart after the accident and then really noticed. Her personality and everything is in tact so it can't be hurting. I don't really know where she was hit as I wasn't there but I feel like that would be more to the side of the head. I'll keep an eye on it but by the sounds of it I am being an over protective mother!