Exams and Tests
More than 90% of
birthmarks are diagnosed by a careful medical history
and physical exam.1 Sometimes a health professional
will monitor changes in a birthmark by taking photos of the birthmark over a
period of time. All birthmarks need to be checked by a health
professional.
If a health professional suspects that your child has other
problems, he or she may do a blood test or do other tests to check your child's
internal organs (liver, lungs, stomach, or intestines). Additional tests might
include
MRI or
ultrasound. In rare cases, a health professional cuts
out a piece of the birthmark (biopsy) to make a diagnosis.