I think people are talking about a few different issues and different types of ridges. I am not an expert (or even close!) but here is what I know:
- --Lots of babies have pronounced ridges at birth because of the compression of going through the birth canal – usually those ridges resolve themselves within the first few weeks.
- sometimes an ill-fitting helmet can cause a baby’s head to grow up into the available space, causing a bump up where the helmet stopped
- or babies or toddlers can have a ridge caused by premature fusing of the sutures. depending on which suture and when it occurs, this can be no problem at all or it can be a sign of craniosyntosis, which causes pressure on the brain requires surgery. My understanding is that craniosyntosis is usually diagnosed within the first two months of life.
- also, some babies just have little bumps and ridges on their heads which are just part of who they are. Look around at bald adult head and you will see a lot of variation and not so many perfect heads.
Probably lots of other reasons too, I am definitely not an expert. My 2 year old has a ridge on her head caused by premature fusing of one of her sutures but the neurosurgeon said it is of absolutely no concern. It feels prominent to me when I feel her head or comb her hair, but no one else would ever notice it. And the neurosurgeon also said it will settle and become less pronounce over (a long) time.
Tasman 2 years
Jackson 8 ½ months, in a local active helmet since October.
Sent: Saturday, January 12, 2008 1:27 PM
Subject: Re: [Plagio] Question about bump/ridge on top of head
Please keep us posted on what you find out. I have stated my son had
the ridge at birth along with the plagio but at about 3 months it
seemed to disappear and the plagio seemed to get worse. The doctor
caught the plagio at our 1 week visit but never mentioned the ridge
and then it disappeared and I just thought it was because he was so
cramped at birth then grew so fast that it just adjusted to where it
was suppose to be. I would like to know what it really was.
Evan 6mo and Alix 14
--- In Plagiocephaly@
> Weird! My son has this ridge too and he hasn't been banded yet. I've
> been told it's everything from unrelated to his plagio (don't buy that
> one!), to it's just a hard suture, to it's caused by one plate pushing
> up over the other and that it may or may not stay that way. No one
> seems to be able to give me a clear answer. I'm planning to ask for a
> referral to a craniofacial specialist at
> try to get a better answer about this.
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