There is a Yahoo Group for Ledderhose's disease with a couple of photos on it that show very large bumps.

You asked if anyone had had the surgery to remove the lumps well I have and my story is explained in many of the other posts to your question. I started out with a pea sized lump on the arch of my foot and after three surgeries and plastic surgeon intervention I now have a scar 3 inches long and 1 to 1.5 inches long on the bottom of my foot. It is so hideous that I never take my socks off at home unless alone and I am very aware to the fact I must keep it hidden while swimming or sun bathing. I recommend you not have the surgery unless ABSOLUTELY necessary. As I age with basically half a foot I wonder what problems await me as my skin shrinks and deteriorates with age. Will I be able to stand or walk if I make it to my 80's?