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Updated: Aug 3, 2025

Metacarpal Small Incision for Carpal Tunnel Syndrome
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Bilateral Flexor Digitorum Accessorius Longus Precipitating Bilateral Tarsal Tunnel Syndrome: A Case Report
Bennett E Propp1, Barrett B Torre1,2, Nicholas Bellas1,2
1University of Connecticut School of Medicine, UConn Health, Farmington, Connecticut.
Case:
A 29-year-old woman presented with bilateral tarsal tunnel syndrome caused by bilateral flexor digitorum accessorius longus, experiencing immediate relief of symptoms after surgical intervention through 1 year.
Conclusion:
Accessory muscles can cause compressive neuropathies in multiple areas of the body. In patients who have FDAL as the cause of their tarsal tunnel syndrome, surgeons should have a high index of suspicion of bilateral FDAL if the same patient develops similar contralateral symptoms.
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