Finding a lump in your foot can be alarming. At Long Island Foot & Ankle Group, PC, patients are relieved when we tell them a fibrous knot in the arch of their foot is a plantar fibroma, which is not malignant.
A plantar fibroma is a fibrous knot or nodule that forms in the plantar fascia—that long band of tissue that runs along the bottom of your foot from heel to toe.