Morton's neuroma is a swollen, inflamed nerve in the foot.Morton's neuroma causes a "burning" sharp pain on the bottom of the foot. Treatments for Morton's neuroma include resting the foot, better-fitting shoes, anti-inflammation medications, ice packs, and operation. A neuroma is growth (benign tumor) that arises in nerve cells. A Morton's neuroma is a swollen, inflamed nerve located between the bones at the ball of the foot. The most common location of a Morton's neuroma is in either the second or the third spacing from the base of the big toe.
A Morton?s Neuroma are a result of complex biomechanical changes that occur in your feet. There are a number of theories as to the exact cause of the scarring and thickening, but it basically boils down to overload of the tissue structure. The body lays down scar tissue to try to protect the overloaded structure. Tight-fitting shoes may exacerbate a Morton?s Neuroma. Shoes such as high heels and shoes with tight toe boxes (eg womens fashion shoes and cowboy boots) are particularly damaging to the toes. These shoes have a sloping foot bed and a narrow toe box. The slope causes the front of the foot to bear your weight. The angle of the toe box then squeezes your toes together. Footwear is not the only cause of a Morton?s Neuroma. Injuries to the foot can also be a factor in developing the condition by changing your foot biomechanics. Poor foot arch control leading to flat feet or foot overpronation does make you biomechanically susceptible to a neuroma.
Patients will feel pain that worsens with walking, particularly when walking in shoes with thin soles or high heels. Also, anything that squeezes the metatarsal heads together may aggravate symptoms, such as narrow shoes. A patient may feel the need to remove the shoe and rub the foot to soothe the pain.
There is a special orthopedic test called the Morton's test that is often used to evaluate the likelihood of plantar nerve compression. For this test, the client is supine on the treatment table. The practitioner grasps the client's forefoot from both sides and applies moderate pressure, squeezing the metatarsal heads together. If this action reproduces the client's symptoms (primarily sharp, shooting pain into the toes, especially the third and fourth), Morton's neuroma may exist.
Non Surgical Treatment
Treatment options vary with the severity of each neuroma, and identifying the neuroma early in its development is important to avoid surgical correction. For simple, undeveloped neuromas, a pair of thick-soled shoes with a wide toe box is often adequate treatment to relieve symptoms, allowing the condition to diminish on its own. For more severe conditions, however, additional treatment or surgery may be necessary to remove the tumor. The primary goal of most early treatment regimens is to relieve pressure on areas where a neuroma develops. Your podiatric physician will examine and likely X-ray the affected area and suggest a treatment plan that best suits your individual case. Padding and Taping. Special padding at the ball of the foot may change the abnormal foot function and relieve the symptoms caused by the neuroma. Medication. Anti-inflammatory drugs and cortisone injections can be prescribed to ease acute pain and inflammation caused by the neuroma. Orthotics. Custom shoe inserts made by your podiatrist may be useful in controlling foot function. Orthotics may reduce symptoms and prevent the worsening of the condition.
When conservative measures are unsuccessful, surgery can be a good choice in the treatment of Morton's neuroma. The operation for Morton's neuroma does not require an overnight hospital stay. The anesthetic used is an ankle block, which completely numbs the foot during the surgery. The physician removes the neuroma from an incision made on the top of the foot between the involved metatarsal heads. The nerve to the interspace is exposed and cut next to the metatarsal heads.