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Mortons Neuroma
Morton's Neuroma: a pain in the foot
When your feet hurt, you hurt all over. Foot pain affects a person's physical and mental
well being. Simply speaking, pain in the feet can be a real pain in the butt.
Foot pain has a way of nagging away throughout the day. Unfortunately, almost everyone
will experience a foot problem at some point in his or her lives.
A Morton's neuroma is one of the more common problems treated by podiatrists today. It is
one of the typical nagging, bothersome foot problems. This foot ailment was first
described by the Queen's chiropodist, Louis Durlacher, in 1845.
This neuroma was later named after T.G. Morton who, incidentally, was from Philadelphia.
In addition to Durlacher and Morton, many others have written about this foot neuroma.
A Morton's neuroma is an irritated, swollen nerve in the ball of the foot, classically
described as a pain in the ball of the foot located between the base of the third and
fourth toes. The involved nerve lies sometimes squeezed and irritated by these adjacent
metatarsal heads causing the painful neuroma to develop. The metatarsal heads are located
in the ball of the foot. This area is already subjected to considerable pressures from
shoes and walking.
We now know from experience that a neuroma can also develop between the second and third
metatarsals. In fact, a neuroma can develop anywhere there is a nerve. This Morton's
neuroma is more commonly a problem in females. High-heeled shoes with cramped pointed tips
cause additional pressure and irritation on these nerves in the ball of the foot.
Individual complaints for a neuroma vary. Frequently, a burning sensation is experienced
in the ball of the foot. Patients also complain of cramping in the foot. A sharp pain is
sometimes experienced between the bones (metatarsal heads) at the base of the toes. This
pain and sometimes a "feeling of numbness" may involve the corresponding toes
that the nerve a supplies.
Walking in shoes aggravates pain. Often a patient will state there is a relief after
removing their shoes. Many patients will massage their foot after removing the shoes. Less
commonly, a patient describes a sensation of "walking on a pebble" because the
inflamed, swollen nerve is felt under the ball of the foot. A neuroma may be the result of
an injury to the foot. The traumatic event might just be the result of shoes. Most of the
time there is no recollection of any injury.
A diagnosis of neuroma is based on the symptoms described by the patient and a good
clinical exam. Tenderness is reproduced when specific areas of the foot are touched.
Sometimes the examiner feels a mass (the neuroma). The clinical exam will rule out other
disorders, which may be present with similar symptoms. Stress fractures, metatarsalgia,
rheumatoid arthritis, diabetic neuropathy and referred pain from the back are just a few
conditions, which cause foot pain.
Treatment begins with conservative padding and strapping of the foot. Orthotic devices,
anti-inflammatories, physical therapy, steroid injections and the changing of shoe types
are used in treating Morton's neuroma.
In chronic cases, surgical excision of the involved nerve mass provides the best relief
from this painful condition. Early diagnosis and treatment of the problem will increase
the success of conservative care. Neuromas as well as other foot problems can be treated. |


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