Since Tiffany already worded it so beautifully, I'll just copy and paste what she had to say on her blog.
Late last week a strange lump appeared on Emma's right hand. She visited the doctor today and he suggested that we take her to a pediatric surgeon right away. It looks like whatever is underneath the skin will need to be removed. He wasn't sure what caused it, and thought that it was so strange, he called a colleague in to take a look at it as well.
Thankfully, Emma thinks this whole thing is rather humorous. :) Last week, she came up to me and told me she had a bump on her hand. Later, she told my parents, "my bone is too big!" ;-) She has been good natured so far, and doesn't seem to mind that the doctors will make her go to sleep so they can remove the lump from her hand.
We would be very grateful if you could keep Emma in your prayers as she has doctor visits and most likely surgery. If you could also remember our family, especially our Mom, during this time, we would really appreciate it. I'll keep you posted as things progress.