Synovial sarcomas are rare with an incidence of 2.57 per 100,000 people, and typically affects people between the ages of 15-40 years. Synovial Sarcoma: Whilst most tumors on the bottom of the foot are benign (non-cancerous), they can occasionally be caused by a synovial sarcoma which is malignant.They tend to be small, soft and slow-growing. Cysts/ Benign Soft Tissue Tumors: A bump on the bottom of the foot may also be caused by a cyst (small pocket of fluid) or a benign soft tissue tumor e.g.There are a number of other things than can also result in a bump on the bottom of the foot including: They are notoriously slow to respond to treatment which may consist of regular application of salicylic acid or various creams, cryotherapy, or surgery. Plantar warts cause a small painful bump on the bottom of the foot that is usually skin colored with small, black dots on the surface. Plantar warts are benign epithelial tumors caused by the HPV virus entering the body through a break in the skin. Plantar WartsĪnother common cause of a bump on the bottom of the foot is a plantar wart, aka verruca. If you suspect the bump on the bottom of your foot is caused by a morton’s neuroma, you can find out all about the causes, symptoms, diagnosis and treatment options in the Morton’s Neuroma article. With a morton’s neuroma, people often complain of a painful bump on bottom of foot that hurts when they walk. They typically develop in middle age and are much more common in women than men.Ī lump in the ball of the foot caused by a morton’s neuroma typically causes a sharp, stabbing, shooting or burning pain under the foot that spreads to the toes, and there may be tingling and numbness in the ball of the foot. Morton’s NeuromaĪ bump on the bottom of the foot between the middle toes may be due to a Morton’s Neuroma.Ī Morton's neuroma is a benign (non-cancerous) growth that develops around the plantar digital nerve of the foot. You can find out more about these painful, itchy bumps on the bottom of the foot and their causes, symptoms and treatment options in the Foot Eczema section. The lumps look like tiny, fluid filled blisters and the surrounding skin often flakes or cracks. The first symptom is typically intense itching on the sole of the foot and then lots of small bumps on the bottom of the foot develop. Itchy bumps on the bottom of the foot are often due to dyshidrotic eczema.ĭyshidrotic eczema is thought be caused by allergies or fungal infections. You can find out more about how to diagnose and treat a bone spur bump on the bottom of the foot in the Bone Spurs article. People with foot bone spurs often complain of a sharp, stabbing pain under their foot, particularly when they first get up.Ī bone spur bump on the bottom of the foot is usually treated with a combination of exercises, orthotics and medication and in some case, surgery may be necessary to remove the hard lump. With a bone spur bump on the bottom of foot, it often hurts to walk. Haglund’s Deformity, or one of the metatarsal bones. This can lead to a hard lump on the bottom of the foot, usual on the heel bone e.g. Tight footwear, soft tissue tightness, altered foot biomechanics, excessive exercise and foot injuries can all lead to the body laying down excess bone as it tries to protect itself. Plantar FibromaĪ hard bump on the bottom of the foot or around the heel may be caused by a bone spur.īone spurs are caused by abnormal bone growth, usually in response to repetitive friction or stress on one of the foot bones. If you are more bothered by pain than lumps and bumps on the bottom of the foot, check out the Ball Of Foot Pain or Foot Arch Pain articles. Let’s have a look at the common causes of a lump on the bottom of the foot, how to tell which you have and how to treat them. There are a number of possible causes of a bump on the bottom of the foot which may be: Here we will look at the common causes of a bump on the bottom of the foot, how foot lumps are diagnosed and how best to treat them. Some foot lumps will resolve by themselves, other will require intervention. Treatment for a lump on the bottom of the foot will depend on the underlying cause but may include a combination of orthotics, injections, medications or even surgery. There may be a hard bump on the bottom of the foot, itchy bumps on the foot, a lump in the arch of the foot or one by the toes. There are lots of possible causes of a lump under the foot including skin problems, joint problems, benign growths and infections. A bump on the bottom of your foot is a common problem that can cause pain or discomfort when walking.
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