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Guyon's canal syndrome
Handchirurgie
Person who gave its name: Felix Guyon, French Surgeon / Urologist (1831 - 1920). In Guyon's canal syndrome, the ulna nerve (N. ulnaris) narrows in the so-called Guyon canal, a bottleneck in the little finger heel close to the underarm.

The causes for this are partly still not clear, it can be caused by sharp-edged sinew bones or - like in the Sulkus ulnaris syndrome - through space constriction due to ganglion or similar. The syndrome is expressed by a partly or even complete nerve bottleneck with or without any damage to sense of touch as well as pain in the wrist and weak muscles in the hand.

The treatment
If conservative therapy does not produce the desired results, the nerve constriction must be rectified surgically, where the hand surgeon will expand the bottleneck, if needed, even remove damaging tissue. The cut is made inside the hand, in the area of the wrist at the height of the little finger. After approx. one-week of rest, the hand can be moved and used again.
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