Accessory muscles of the forearm, wrist and hand
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At the time the article was created Joachim Feger had no recorded disclosures.View Joachim Feger's current disclosures
At the time the article was last revised Craig Hacking had the following disclosures:
- Philips Australia, Paid speaker at Philips Spectral CT events (ongoing)
These were assessed during peer review and were determined to not be relevant to the changes that were made.View Craig Hacking's current disclosures
Accessory muscles of the forearm, wrist and hand are muscular, usually asymptomatic, anatomical variants that might be encountered on imaging studies and confused with pathologic conditions.
volar wrist midline
palmaris longus variants (common)
palmaris longus profundus muscle
aberrant palmaris longus muscle
volar wrist radial-side
flexor indicis profundus muscle
volar wrist ulnar-side
Accessory muscles look like other muscles in imaging studies.
The radiological report should include a description of the following features:
accessory muscle with location
Accessory muscles might mimic pathological conditions such as tumors or mass lesions.
Accessory muscles of the forearm, wrist, and hand have been implicated in the following clinical conditions 1-5: