faded bruise-looking marks on back of spine at waistline w/ "leaking" from hip to hip
My son is 10 months old. He has a birthmark that I would describe as 4 or 5 faded bruise-looking marks - the biggest is the size of a dime - located on the back his of spine at the waistline. The birthmark also has an almost imperceptible oval area with what appears to be a "leaking" or faded briuse extending from hip to hip and a couple of inches high. When my son was born via C-Section the OB and pediatrician thought he just had some bruises from sitting on my wife's spine due to the fact that he didn't have much room give that my wife is maybe 5'5" and he was 9lbs at 2 weeks early. When he was born the spots were essentially black, but they have since faded to bruise-like appearance described above. Other than the fading that has occurred in the last 10 months, no one has observed any growth or other strange things happening. Until Friday, my wife and I weren't all that concerned because the 2 pediatricians said it wasn't a concern. However, when we went to the University of Pittsburgh Medical Center this Friday to get our son's top-of-the-charts-large-head checked out and have an MRI done, all of the nurses and nurse practitioners said that they had never seen anything like it and that it was imperative to get it checked out by a dermatologist, and possibly a neurologist. So now we're looking for an answer to what his birthmark is. Has anyone seen any birthmarks like this and know what it is with any certainty? If you know what it is, are there any risks involved or anything else we should be aware of. We're in the process of looking for a specialist in the Pittsburgh area if anyone has any suggestions. I guess from the little that I've read, it could be any number of things - Hemangiomas, Mongolian Spots, Venous Stains, Venous Malformations. Actually it sounded most like Mongolian Spots, but neither myself nor my wife have any confirmed Asian or African ancestry.