Morton's neuroma: Difference between revisions

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==[[Morton's neuroma overview|Overview]]==
 
==[[Morton's neuroma classification|Classification]]==


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==[[Morton's neuroma historical perspective|Historical Perspective]]==


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==[[Morton's neuroma pathophysiology|Pathophysiology]]==


==Overview==
==[[Morton's neuroma epidemiology and demographics|Epidemiology & Demographics]]==
'''Morton's neuroma''' (also known as  '''Morton's metatarsalgia''', '''Morton's neuralgia''', '''plantar neuroma''' and '''intermetatarsal neuroma''') is a [[benign]] [[neuroma]] of the interdigital [[plantar nerve]].


This problem is characterised by [[numbness]] and [[Pain and nociception|pain]], relieved by removing footwear.
==[[Morton's neuroma epidemiology and demographics|Risk Factors]]==


Although it is labeled a "neuroma", many sources do not consider it a true [[tumor]], but rather a thickening of existing tissue.
==[[Morton's neuroma screening|Screening]]==


==Symptoms and signs==
==[[Morton's neuroma causes|Causes]]==
Symptoms include: pain on weight bearing, frequently after only a short time; the pain is felt as a shooting pain affecting the contiguous halves of two toes. Burning, [[numbness]] and [[parasthesia]] may also be experienced. Classically the 3rd digital space between the 3rd and 4th [[toes]] is affected, but the condition can occasionally occur in the 2nd and 3rd interdigital space. The pain is caused by pressure on the enlarged section of nerve where it passes between the metatarsal heads, and is squeezed between them. The first toe is usually not involved. Neuroma in the 4th/5th interdigital space is described, but is extremely rare.


==Diagnosis/differential diagnosis==
==[[Morton's neuroma differential diagnosis|Differentiating Morton's neuroma from other Diseases]]==
Negative signs include no obvious deformities, [[erythema]], signs of [[inflammation]] or limitation of movement. Direct pressure between the metatarsal heads will replicate the symptoms, as will compression of the forefoot between the finger and thumb so as to compress the transverse arch of the foot.  This is referred to as Mulder’s Sign.


There are other causes of pain in the forefoot.  Too often all forefoot pain is categorized as neuroma.  Other conditions to consider are capsulitis, which is an inflammation of ligaments that surrounds two bones, at the level of the joint.  In this case it would the ligaments that attach the toe bone to the metatarsal bone.  Inflammation from this condition will put pressure on an otherwise healthy nerve and give neuroma type symptoms.
==[[Morton's neuroma natural history|Natural History, Complications & Prognosis]]==
Additionally, an intermetatarsal [[bursitis]] between the third and fourth metatarsal bones will also give neuroma type symptoms because it too puts pressure on the nerve.


Since a neuroma is a soft tissue condition an [[MRI]] should be helpful in diagnosis, however, often an MRI will be inconclusive for neuroma even though a neuroma exists.
==Diagnosis==
[[Morton's neuroma history and symptoms|History & Symptoms]] | [[Morton's neuroma physical examination|Physical Examination]] | [[Morton's neuroma staging|Staging]] | [[Morton's neuroma laboratory tests|Lab Tests]] | [[Morton's neuroma electrocardiogram|Electrocardiogram]] | [[Morton's neuroma chest x ray|Chest X Ray]] | [[Morton's neuroma CT|CT]] | [[Morton's neuroma MRI|MRI]] | [[Morton's neuroma echocardiography or ultrasound|Echocardiography or Ultrasound]] | [[Morton's neuroma other imaging findings|Other Imaging Findings]] | [[Morton's neuroma other diagnostic studies|Other Diagnostic Studies]]


==Treatment==
[[Morton's neuroma medical therapy|Medical Therapy]] | [[Morton's neuroma surgery|Surgery]] | [[Morton's neuroma primary prevention|Primary Prevention]] | [[Morton's neuroma secondary prevention|Secondary Prevention]]


==External links==
==Resources==
* [http://www.mayoclinic.com/health/mortons-neuroma/DS00468 Overview] at [[Mayo Clinic]]
* [http://www.mayoclinic.com/health/mortons-neuroma/DS00468 Overview] at [[Mayo Clinic]]
* [http://www.podiatrychannel.com/mortonneuroma/ Podiatry Channel]
* [http://www.podiatrychannel.com/mortonneuroma/ Podiatry Channel]
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* [http://www.aapsm.org/neuroma.html American Academy of Podiatric Sports Medicine]
* [http://www.aapsm.org/neuroma.html American Academy of Podiatric Sports Medicine]
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[[Category:Disease]]
[[Category:Disease]]
[[Category:Types of cancer]]
[[Category:Oncology]]
[[Category:Oncology]]
[[Category:Neurology]]
[[Category:Neurology]]
[[Category:Anatomical pathology]]
[[Category:Anatomical pathology]]
[[Category:Mature chapter]]
[[Category:Mature chapter]]

Revision as of 21:24, 22 January 2012

For patient information click here

Morton's neuroma
The plantar nerves.
ICD-10 G57.6
ICD-9 355.6
DiseasesDB 8356

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]

Overview

Classification

Historical Perspective

Pathophysiology

Epidemiology & Demographics

Risk Factors

Screening

Causes

Differentiating Morton's neuroma from other Diseases

Natural History, Complications & Prognosis

Diagnosis

History & Symptoms | Physical Examination | Staging | Lab Tests | Electrocardiogram | Chest X Ray | CT | MRI | Echocardiography or Ultrasound | Other Imaging Findings | Other Diagnostic Studies

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Medical Therapy | Surgery | Primary Prevention | Secondary Prevention

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