A lump in the arch of the foot is often associated with a condition called plantar fibroma. This is a benign growth that develops within the plantar fascia. This thick band of tissue supports the arch and connects the heel to the toes. Plantar fibromas can form slowly and may vary in size. While they are non-cancerous, they can still cause discomfort, depending on their location and pressure from daily activities. This condition is part of a broader group of disorders that affect connective tissue and can impact normal foot function.
Symptoms of a plantar fibroma typically include a firm lump in the arch that may feel smooth or slightly raised. Some individuals also experience pain when walking, standing, or wearing certain shoes that press against the area. In other cases, the lump may not be painful at first but can become irritated over time. As the fibroma grows, it may create a sensation of fullness or tightness in the arch. Discomfort often increases with prolonged activity or pressure on the foot.
The exact cause of a plantar fibroma is not always clear, but several factors may contribute to its development. Repetitive stress on the foot, minor trauma, and abnormal foot mechanics can place strain on the plantar fascia. Risk factors include a family history of similar conditions, middle age, and certain health issues that affect connective tissue. Wearing unsupportive footwear and engaging in high-impact activities may also increase the likelihood of developing this condition.
Managing a plantar fibroma focuses on reducing pressure and improving comfort. Wearing supportive footwear, cushioning, and custom orthotics may help relieve stress on the arch. Early evaluation can help determine the best course of care and prevent worsening symptoms. If you have a lump in the arch of your foot, it is suggested that you consult a podiatrist for an accurate diagnosis and appropriate treatment.
A plantar fibroma may disrupt your daily activities. If you have any concerns, contact Elie C. Daniel, DPM of Illinois. Our doctor can provide the care you need to keep you pain-free and on your feet.
Plantar Fibroma
A plantar fibroma is a fibrous knot in the arch of the foot. It is embedded in the plantar fascia which is a band of tissue that extends from the heel to the toes along the bottom of the foot. There can be multiple plantar fibromas in the feet at the same time. There are no known causes for this condition. If you have a plantar fibroma, there will be a bump in the arch of your foot that cannot be missed. Any associated pain is most often due to a shoe rubbing against the nodule. Non-surgical options, such as steroid injections, physical therapy, and orthotics should be tried first. Surgery is a last resort and is the only thing that will remove a plantar fibroma entirely. Consult with a podiatrist for a proper diagnosis and to determine the treatment regimen that is right for you.
What Causes a Plantar Fibroma?
While there are no specific causes identified, a plantar fibroma can possibly come from genetic predisposition or the formation of scar tissue that forms from healing the tears in the plantar fascia.
What Are the Symptoms of a Plantar Fibroma?
There will be a noticeable lump in the arch of the foot that may or may not cause pain. If pain is felt, it is typically because a shoe is rubbing up against the lump or when walking or standing barefoot.
Treatment and Prevention
A plantar fibroma will not disappear without treatment, but it can get smaller and be a non-issue. If pain persists, a podiatrist examines the foot and when the arch of the foot is pressed, pain can be felt down to the toes. An MRI or biopsy might be performed to help diagnose or evaluate the plantar fibroma. The following non-surgical options are generally enough to reduce the size and pain of these nodules:
- Steroid injections
- Orthotics
- Physical therapy to help apply anti-inflammatory creams on the bump
Surgery is considered if the mass increases in size and the patient continues to feel pain after non-surgical methods are tried.
If you have any questions, please feel free to contact our offices located in Princeton, Peru, and Mendota, IL . We offer the newest diagnostic and treatment technologies for all your foot care needs.
