Baby with waxing/waning spot on forehead

[Penny4Them]

Hi, I posted this in Life with Babe forum a while back and didn't get a reply, so I thought I'd post here to see if anyone can help.

My baby (now 13 mo) has this odd spot in the center of his forehead (down from his hairline, way above third eye point) that comes and goes. It started when he was about 8 mos. It's not bigger than a pencil tip eraser. I brought it up to doc and they said it's probably cafe au lait spot but after reading about those, it doesn't seem the same. His is reddish brown, more like a brown liver spot and is more present after he first gets up in the am, then by night time it's much lighter and sometimes completely gone. He used to have another one on his temple but I can hardly see it at all now due to hair and probably it getting lighter.

He developed them when he had a rash and virus (probably an adenovirus doc says), and they never completely went away. It's been nearly 5 months. It was also 4 wks after his 2nd Pentacel vax. Don't know if there is a relation but just thought I'd throw that in.

Anyone know what this might be? If not, is there a more appropriate board I can ask?

[Siennaflower]

Is it completely flat or does it get slightly puffed up looking? My dd has a small hemangioma on her cheek sort of close to her eye and it goes through cycles where it's more puffed up and red and noticeable, and then it will flatten out slightly and turn a lighter pinkish color. She had another one on her foot that has almost completely flattened out and is fading, and her ped says that the one on her face will eventually do the same but it may get bigger before it does.

[Penny4Them]

Thanks for the reply. The marks are not at all raised, so I'm not sure if this could be the same thing. I read about hemangiomas and those tend to present at or shortly after birth, and my son developed his at 8 mos. It's so weird ... every day after sleep/or nap it's there, then the longer he's up the less pronounced it is. I've also noticed, if he's fighting a bug that it's more pronounced too.