Traumatic neuroma

Traumatic neuroma is a common hand and foot ditzel. Neuromas are grouped with the peripheral nerve sheath tumours.

General

• Consequence of trauma - diagnosis requires history of trauma.
  • May mimic a cancer recurrence at the site of a surgery.

Microscopic

Features:

• +/-Nerve - that was injured.
• Grouping of disordered nerve fibre bundles in fibrous tissue (collagen) - key feature.
• +/-Myxoid change.
• +/-Axonal swellings (ovoid pink/purple blobs).

DDx:

• Morton neuroma (foot).

Images

• Traumatic neuroma (nih.gov).
• Traumatic neuroma - several images (upmc.edu).
• Traumatic neuroma (sarcomaimages.com).
• Traumatic neuroma (nih.gov).
• Neuroma (nih.gov).

Sign out

Submitted as "Neuroma Left Foot", Excision:
	- Consistent with neuroma.
	- Atherosclerosis, moderate.

Block letters

SOFT TISSUE LESION, RIGHT WRIST, EXCISION:
- TRAUMATIC NEUROMA.
- BENIGN FIBROADIPOSE TISSUE.

Micro

The sections show disordered nerve fibre bundles in fibrous tissue.

See also

• Peripheral nerve sheath tumours.