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Working with Mortons Neuroma

6/5/2017

 
Overview

MortonMorton's neuroma is an inflammation of the nerves in the foot that go to the toes. Although the name includes the word ?neuroma,? it is not really a tumor. It can affect any of the toes in the foot. However, it most often affects the nerves that run between the third and fourth, or second and third toes.

Causes

Although in many areas of medicine, it?s easy to pinpoint the exact source of a problem (the way a specific germ causes a certain illness with recognizable symptoms), neuromas are harder to categorize. While there isn?t really one exact cause, podiatric physicians tend to agree that a neuroma can occur in response to the irritation of a nerve by one or more factors. Abnormality in foot function or foot mechanics: In other words, a foot that doesn?t move the way science thinks it should. In general, this means a pronated foot (one with an excessive rolling motion when the patient is walking, running or doing any kind of activity), because it causes excessive strain on the nerve. If you are not certain whether or not this is a problem for you, ask your podiatric physician, who will be able to examine your feet, as well as the wear pattern on your shoe, and give you an answer. Foot mechanics, and problems with them, tend to run in families, so if you know that a relative has had foot pain similar to yours, be sure to mention it.

Symptoms

You may initially experience a tingling sensation in the space between your toes, which gets worse over time. This leads to cramp in your toes and a sharp shooting or burning pain on the ball of your foot or at the base of your toes. The pain is often worse when walking or wearing shoes that press on the affected area. This is caused by irritation of the nerve between your toe bones (metatarsal bones). The tingling will eventually lead to pain, which can get worse over time. You may also experience cramping of your toes. The pain is usually felt as a sharp shooting or burning pain on the ball of the foot or at the base of the toes, which is often made worse when you're walking. Some people with Morton's neuroma feel anxious about walking or even placing their foot on the ground. The pain is likely to be more intense if you wear tight shoes, so wearing shoes that have more room in the toe area can help. Rubbing your foot may also lessen the pain.

Diagnosis

A GP (general practitioner, primary care physician) or a podiatrist (foot specialist doctor) will ask the patient to describe the pain as well as its intensity, when symptoms started, what types of shoes are worn, as well as some questions about their job, lifestyle and hobbies. The doctor will then examine the foot and try to locate the affected nerve. This may involve attempting to reproduce symptoms by manipulating the foot. In order to get a detailed image of the inside of the food, one of the following scans may be ordered. X-ray, this is a type of high-energy radiation. In low doses they are used to diagnose diseases and condition by making pictures of the inside of the body. In higher doses they are used to treat cancer. This procedure is non-invasive and painless. Ultrasound scan, high frequency sound waves are pointed at a specific part of the body, which in this case is the foot. The ultrasound waves bounce of tissues; their echoes are then converted into a picture, called a sonogram. This allows the doctor to get an inside view of the foot. This procedure is non-invasive and painless. MRI (magnetic resonance imagining) a device that uses a magnetic field and radio waves to create detailed images of the body. Unlike CT scanning or general x-ray studies, no ionizing radiation is involved with an MRI. This procedure is non-invasive and painless. The doctor will have to rule out other conditions which may have similar symptoms, including capsulitis, bursitis, or Freiberg's disease.

Non Surgical Treatment

Treatment strategies for Morton's neuroma range from conservative to surgical management. The conservative approach to treating Morton's neuroma may benefit from the involvement of a physical therapist. The physical therapist can assist the physician in decisions regarding the modification of footwear, which is the first treatment step. Recommend soft-soled shoes with a wide toe box and low heel (eg, an athletic shoe). High-heeled, narrow, nonpadded shoes should not be worn, because they aggravate the condition. The next step in conservative management is to alter alignment of the metatarsal heads. One recommended action is to elevate the metatarsal head medial and adjacent to the neuroma, thereby preventing compression and irritation of the digital nerve. A plantar pad is used most often for elevation. Have the patient insert a felt or gel pad into the shoe to achieve the desired elevation of the above metatarsal head. Other possible physical therapy treatment ideas for patients with Morton's neuroma include cryotherapy, ultrasonography, deep tissue massage, and stretching exercises. Ice is beneficial to decrease the associated inflammation. Phonophoresis also can be used, rather than just ultrasonography, to further decrease pain and inflammation.Morton neuroma

Surgical Treatment

Surgery for Morton's neuroma is usually a treatment of last resort. It may be recommended if you have severe pain in your foot or if non-surgical treatments haven't worked. Surgery is usually carried out under local anaesthetic, on an outpatient basis, which means you won't need to stay in hospital overnight. The operation can take up to 30 minutes. The surgeon will make a small incision, either on the top of your foot or on the sole. They may try to increase the space around the nerve (nerve decompression) by removing some of the surrounding tissue, or they may remove the nerve completely (nerve resection). If the nerve is removed, the area between your toes may be permanently numb. After the procedure you'll need to wear a special protective shoe until the affected area has healed sufficiently to wear normal footwear. It can take up to four weeks to make a full recovery. Most people (about 75%) who have surgery to treat Morton's neuroma have positive results and their painful symptoms are relieved.

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