 | Feet 23961 Feet For a long time, I have had lumps on the bottom of one foot in the arch area, toward the inner half of my foot. They are the size of marbles. I don’t think they are getting larger. But now I get pain in that area when walking or if I stand for a long time. What’s going on? Are these tumors that need to be cut out? For a long time, I have had lumps on the bottom of one foot in the arch area, toward the inner half of my foot. They are the size of marbles. I don’t think they are getting larger. But now I get pain in that area when walking or if I stand for a long time. What’s going on? Are these tumors that need to be cut out? htmASKTHEDOCplantarfibromatosislumps Based on your description, this sounds like a condition called plantar fibromatosis (Ledderhose’s disease). Here, the plantar fascia (a layer of firm fibers under the skin in the bottom of the foot) forms hard, irregular lumps. 1445046 InteliHealth 2012-06-21 t Howard LeWine, M.D. 2015-06-21  | Ask The Expert | |  |  |  |  | | Archive By Date: Feet | | | Answered questions from the past 2 years: | |  What exactly are “flat feet” and “fallen arches?” Are they the same thing? What causes them and how should they be treated? |  For the past few days I have woken up with a dull aching pain in my heel. The majority of the pain is on the bottom of the heel. I have not done anything out of the ordinary, and can think of no reason for this. What could be causing this pain? |  My wife has what we call scaly feet. Is there any medicine or techniques to help with this? |  For a long time, I have had lumps on the bottom of one foot in the arch area, toward the inner half of my foot. They are the size of marbles. I don’t think they are getting larger. But now I get pain in that area when walking or if I stand for a long time. What’s going on? Are these tumors that need to be cut out? |  I have heel spurs. The pain is under control, but I worry about this getting worse. What causes heel spurs? Is it caused by ingesting too much calcium? How about a vitamin deficiency? |  My wife has numb feet and legs a lot. What causes this? |  I have soreness in the ball of my foot for about one month. It hurts to walk. I also notice that moving my big toe causes pain. What could it be? | | | | |