Soft tissue masses can occur virtually anywhere in the body, including muscles, fat, nerves, cartilage, ligaments, tendons, or other tissues. These do not grow on bone. Most often, the mass is benign, but It is important to have the site assessed by a professional to rule out the possibility of a malignant tumor.
Oftentimes, soft tissue masses arise after a traumatic incident, where the growth will be dismissed as extreme swelling, and sensitivity due to the swelling. If a bruise or sprain is persistently painful for more than 6 weeks, ask your podiatrist to evaluate for a soft tissue mass.