What is Morton’s Neuroma?
Morton’s neuroma, also known as intermetatarsal neuroma, is a painful condition that affects the ball of the foot, typically between the third and fourth toes. This condition involves the thickening of the tissue surrounding one of the nerves leading to the toes, resulting in a sharp, burning pain in the ball of the foot. Many patients describe the sensation as though they are standing on a pebble or have a fold in their sock, which can be extremely discomforting.
Causes and Risk Factors
The exact cause of Morton’s neuroma is not completely understood, but several contributing factors have been identified:
- Footwear: High-heeled shoes, which place increased pressure on the toes and the ball of the foot, as well as shoes that are tight or poorly fitted, can compress the nerves, leading to neuroma formation.
- Foot Structure: Certain foot conditions, such as bunions, hammertoes, flat feet, or high arches, can predispose individuals to developing Morton’s neuroma. These conditions alter the mechanics of the foot, leading to increased stress on the nerves.
- Repetitive Stress: Activities that involve repetitive impact or stress on the ball of the foot, such as running or playing court sports, can contribute to the development of Morton’s neuroma.
- Trauma: Injury to the foot can lead to nerve damage or the formation of scar tissue, which may result in a neuroma.
Symptoms
The symptoms of Morton’s neuroma usually develop gradually and can vary in intensity. Common symptoms include:
- Pain: A sharp, burning pain in the ball of the foot that may radiate into the toes. This pain is often exacerbated by walking or wearing tight shoes.
- Numbness and Tingling: Some patients experience numbness, tingling, or a “pins and needles” sensation in the affected toes.
- Sensation of a Foreign Object: Many patients report a sensation similar to having a pebble in their shoe or a fold in their sock.
- Swelling: Although less common, some individuals may notice swelling in the affected area.
Diagnosis
Diagnosing Morton’s neuroma typically involves a combination of the patient’s medical history and a physical examination:
- Palpation: During the examination, the doctor will press on the ball of the foot to check for pain or a clicking sensation, known as Mulder’s sign.
- Imaging: While not always necessary, imaging studies such as ultrasound or MRI can help confirm the diagnosis and rule out other conditions. Ultrasound is particularly useful in visualizing soft tissue abnormalities like neuromas.
Treatment
Treatment for Morton’s neuroma varies depending on the severity of the condition. Initial treatment options focus on relieving symptoms and reducing pressure on the affected nerve:
- Footwear Modifications: Switching to shoes with a wider toe box and low heels can alleviate pressure on the nerve.
- Orthotics: Custom orthotic devices can provide support and reduce stress on the ball of the foot.
- Medications: Over-the-counter pain relievers, such as ibuprofen, can help manage pain and inflammation.
- Injections: Corticosteroid injections can reduce inflammation and provide pain relief.
For cases that do not respond to conservative treatments, more invasive options may be considered:
- Alcohol Sclerosing Injections: These injections can shrink the neuroma and reduce pain.
- Surgery: In severe cases, surgical removal of the neuroma may be necessary. Surgery is typically considered a last resort due to the associated risks and recovery time.
Prevention
Preventing Morton’s neuroma involves taking steps to reduce pressure and stress on the feet:
- Proper Footwear: Wearing well-fitted shoes with adequate support and a roomy toe box can prevent nerve compression.
- Activity Modifications: Reducing repetitive stress activities and incorporating rest periods can help prevent the development of neuromas.
- Foot Care: Regularly stretching and strengthening the feet can improve overall foot health and prevent conditions that could lead to neuroma formation.
At Harbor Foot and Ankle Clinic we specialize in performing exams and offer a treatment plan that addresses your concerns. We are happy to discuss ways to manage and relieve your symptoms. We are even open on select Saturdays to accommodate your scheduling needs. Call (360) 533-7388 to schedule an appointment with Dr. Sheikhizadeh today.