Hi! It's definitely not a hemangioma in my opinion with everything you have described and based on how it looks. I would get a second opinion from another dermatologist and tell them exactly what you just posted here. I'm not sure where you live, but if possible I would be persistent until you get some answers, so you will know what it is and if anything should be done about it. Good luck! Let us know if you find out anything!
VBF Hemangioma Forum Moderator