Non-surgical Treatments for Persistent Morton’s neuroma
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Morton’s Neuroma Surgery

Our Medical Director Discusses Morton’s Neuroma Surgery:

Should I have Mortons neuroma surgery?

When all other measures have failed to relieve pain, open surgery may be necessary to remove the neuroma. It is critical that Morton’s neuroma surgery be performed by surgeons who have considerable expertise and experience in this surgery because in some cases, Morton’s neuroma surgery can result in increased foot pain or even the return of the neuroma.

With the most common approach, your surgeon will make a small incision on the top of your foot (the “dorsal” approach) over the third web space. After dissecting through the tissue, the transverse metatarsal ligament is cut, to take pressure off the nerve and to allow the surgeon access to the neuroma. In most situations, the nerve itself with the resulting neuroma is removed. The incision is closed, and the patient is taken to recovery. With this approach, you can bear weight on your foot post-operatively, however it still takes 3-4 weeks to fully recover.

Other less frequent approaches include the plantar approach (the ball of the foot approach.) With the plantar approach, the surgeon has less tissue to dissect, and he is able to preserve the ligament, leading to better foot stability in the long term, but recovery is slow and you are unable to bear weight for 2 to 3 weeks until the sutures are removed.  It can take 4-6 months of painful recovery to fully recover from a plantar approach Morton’s neuroma surgery.

SurgeonIn addition to multiple approaches to the surgery, your surgeon has a few options regarding how to treat the neuroma. One school of thought is to remove the offending ligaments, which then decompresses the nerve while keeping it intact.

Another school of thought is to remove the nerve that has been effected by the Morton’s neuroma entirely. With the damaged nerve tissue removed, the neuroma is less likely to occur, and the mechanical stresses on the foot are not increased. Most surgeons are proponents of this latter theory and remove the affected nerve, although some patients may require a different method.

Post-operatively, your course will depend on the surgical approach. For incisions made on the top of the foot, you can bear weight provided that you wear a hard-soled, loose fitting shoe. Other shoes can be introduced as the incision heals.

For plantar incision (through the ball of the foot), you can only bear weight on your heel to prevent the wound from opening and you cannot bear weight with this approach for at least 2 to 3 weeks. Physical therapy may be needed post surgery to help strengthen your foot and ankle muscles, especially if you have suffered from Morton’s neuroma for a long time causing some muscle weakness.

Surgical treatment of Morton’s neuroma is can be effective when perfumed by an experienced practitioner, but it comes at the cost of some risks and possible side effects.

Side Effects

Any surgical procedure brings with it the possible side effects of scarring and the risk of infection. Furthermore, diabetic patients may have a more difficult time healing the surgical wounds of this procedure.

When the neuroma is removed, the nerve that carries sensation to the toes is taken away as well, causing mild but permanent numbness in the forefoot and between the toes.

Risks

Some studies have shown that up to 35% of patients who have surgery end up with unacceptable levels of post surgical pain. Phantom nerve pain at the stump of the nerve can result in continuing pain and tingling. Patients can experience more pain post-operatively from further degeneration of the nerve. In many cases ongoing or worsening pain is a result of an incomplete severing of the nerve or misplacement of the nerve ending. The stump of the nerve becomes entrapped in the metatarsal bones which causes a painful sensation and in some cases, the return of the neuroma. In this situation, you may need a second surgery to bury the stump of the nerve in the musculature of the foot. For more information on post Morton’s neuroma surgery pain and stump neuroma pain click here.

Although surgical treatment can be quite effective, it is rarely performed because of the higher risk of complications and the effectiveness of less invasive procedures, such as ultrasound guided radio frequency ablation, cyrotherapy or injections of a sclerosing agent. However, for some patients, it is an effective pain treatment when performed by an experienced practitioner (frequently a surgeon) and when all other treatments have not provided adequate relief.

At The Center for Morton’s Neuroma, in the event that any of our patients require surgery, we recommend and work closely with Joshua Lamb, MD.

Should you have Morton’s neuroma surgery?

Many patients ask if they should have surgery for their Morton’s neuroma. We discuss whether you should have surgery for Morton’s neuroma on our blog here.

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