Sometimes a patient will feel the bottom of their foot in the area of the arch and feel a small lump or bump that appears to be under the skin so you can't see it on the surface, but you sure will be able to feel it.  It may be painful, or it may go unnoticed until someone points it out to you, such as a doctor when examining the foot.  What could it be?  It may be a plantar fibroma.  This is a soft tissue lesion that is made up of collagen or fibrous tissue that typically grows in the middle of the arch.  How do you know if you have a plantar fibroma? How did you get it? Could that lump be something else? Make an appointment with one of our doctors at Prairie Path Foot and Ankle Clinic to have a thorough exam and diagnosis, and together we will come up with an effective treatment plan.