Morton neuroma and intermetatarsal head bursitis

Case contributed by Dr Chris O'Donnell

Presentation

Pain on weight bearing in the 3rd/4th web space with electric shock sensation in both toes

Patient Data

Age: 40
Gender: Female
Modality: Ultrasound

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 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.

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Case Information

rID: 18737
Case created: 19th Jul 2012
Last edited: 10th Nov 2015
Inclusion in quiz mode: Included

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