Guyon canal syndrome: clinical features
Evidence-based neurology checklist on guyon canal syndrome: clinical features: Motor features There is hypothenar muscle weakness and wasting This may involve just the abductor digiti minimi The hypothenar muscles are spared if the lesion is beyond Guyon canal Sensory features Froment’s sign…
Motor features
- There is hypothenar muscle weakness and wasting
- This may involve just the abductor digiti minimi
- The hypothenar muscles are spared if the lesion is beyond Guyon canal
Sensory features
Froment’s sign
Palmaris brevis sign6
Associated features
References
- Ozdemir O, Calisaneller T, Gerilmez A, Gulsen S, Altinors N. Ulnar nerve entrapment in Guyon's canal due to a lipoma. J Neurosurg Sci 2010; 54:125-127.
- Liveson JA. Peripheral Neurology: Case Studies. Third edition. Oxford University Press Oxford 2000 p91.
- Bertorini TE. Neuromuscular Case Studies. Butterworth Heinemann Philadelphia. 2008 p123.
- Kumar K, Thirkannad S. Isolated abductor digiti minimi palsy-an unusual case of Guyon's canal compression. Hand Surg 2013; 18:251-253.
- Murata K, Shih JT, Tsai TM. Causes of ulnar tunnel syndrome: a retrospective study of 31 subjects. J Hand Surg Am 2003; 28:647-651.
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