Plantar Fibromatosis - Everything You Need To Know - Dr. Nabil Ebraheim

Dr. Ebraheim’s educational animated video describes the of plantar fibromatosis.

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Plantar fascial fibromatosis (Ledderhose’s Disease) is a benign tumor of the plantar fascia of the foot. It consists of myofibroblasts and dense fibrous proliferation infiltrating the adipose tissue (myofibroblast and collagen proliferation). It is most often found in the central and medial portion of the plantar fascia. The firm nodule is located on the medial border of the sole of the foot. The nodule is close to the skin and gradually increases in size. It is painful with wearing shoes. The condition is bilateral in about 25% of patients. Early lesions are more cellular. Biopsy could be misdiagnosed as fibrosarcoma. Older lesions have less cells and more collagen. Plantar fibromatosis (foot) is different from palmar fibromatosis (hand) which causes Dupuytren’s contracture. Both conditions can coexist. There is no contracture with plantar fibromatosis. Plantar fibromatosis can result from fibroblast proliferation with infiltrative growth that is easily recognized clinically. If the mass is suspicious, then an MRI or ultrasound may help with the diagnosis. MRI and ultrasound will also show the extent of the lesion. Ultrasound will show diffuse, discrete fusiform thickening of the plantar fascia. The lesion can be multiple and bilateral. The superficial fibers are more affected. It is often difficult to differentiate between a chronic partial tear and a nodule. There is no relationship between the symptoms and the ultrasound appearance. The ultrasound appearance is usually characteristic. The etiology is usually multifactorial caused by trauma, familial, diabetes, epilepsy, liver disease, alcohol consumption, and smoking. Plantar fibromatosis occurs in adults and is rare before the age of 30. It occurs more in males than females. Plantar fibromatosis is treated nonoperatively by wearing accommodative footwear and inserts. If the lesion is excised, it will lead to a high rate of recurrence. The best treatment is wide resection of the fascia (lower recurrence rate) especially with large nodules that cause severe pain or nerve compression. Do not operate on painful nodules at the bottom of the foot as they may come back worse than before. You must study the nature of the painful nodules before you operate (make sure that you chose for the proper surgery). A local lesion will cause recurrence of the lesion due to the infiltrative nature (the lesion is not encapsulated). Post-operative radiation therapy for aggressive fibromatosis was found to improve local control of the lesion. If the mass appears suspicious, a biopsy may be needed to rule out soft tissue sarcoma such as synovial cell sarcoma.