Morton neuroma and intermetatarsal bursitis

Case contributed by Chris O'Donnell , 19 Jul 2012
Diagnosis almost certain
Changed by Henry Knipe, 9 Sep 2019

Updates to Case Attributes

Title was changed:
Morton neuroma and intermetatarsal head bursitis
Presentation was changed:
Pain on weight bearing-bearing in the 3rd/4th web space with electric shock sensation in both toes.
Age changed from 40 to 40 years.
Body was added:

This case shows the typical findings of Morton neuroma and bursitis between the metatarsal heads.  Both conditions occur due to narrow shoes with compression/friction of the metatarsal heads when walking. Bursitis is bright on T2 with rim enhancement whereas the "neuroma" (actually perineural fibrosis) is of relatively low signal on T2 and shows patchy enhancement. Almost always between the 3rd and 4th metatarsal heads and very adequately visualised on ultrasound using a dorsal approach and placing a thumb on the plantar aspect and pushing up towards the probe.

  • +<p>This case shows the typical findings of Morton neuroma and bursitis between the metatarsal heads.  Both conditions occur due to narrow shoes with compression/friction of the metatarsal heads when walking. Bursitis is bright on T2 with rim enhancement whereas the "neuroma" (actually perineural fibrosis) is of relatively low signal on T2 and shows patchy enhancement. Almost always between the 3rd and 4th metatarsal heads and very adequately visualised on ultrasound using a dorsal approach and placing a thumb on the plantar aspect and pushing up towards the probe.</p>

References changed:

  • http://www.musculoskeletal.rad.jhmi.edu/documents/mortonneuroma.pdf

Updates to Link Attributes

Title was removed:
Morton neuroma and intermetatarsal head bursitis
Type was removed.
Visible was set to .

Updates to Primarylink Attributes

Updates to Study Attributes

Findings was changed:

This case showsEnhancing solid mass in the typical findings of Morton neuroma and bursitis between the metatarsal heads.  Both conditions occur due to narrow shoesthird webspace inferiorly with compression/friction of the metatarsal heads when walking. Bursitis is bright on T2 with rim enhancement whereas the "neuroma" (actually perineural fibrosis) is relatively lowsmaller non-enhancing fluid signal on T2 and shows patchy enhancementsuperiorly. Almost always between the 3rd and 4th metatarsal heads and very adequately visualised on ultrasound using a dorsal approach and placing a thumb on the plantar aspect and pushing up towards the probe.

Updates to Study Attributes

Findings was added:

Partially compressive heterogeneous mass in the 3rd webspace 

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