T. Hirooka et al., GUYONS CANAL SYNDROME - A DIFFERENT CLINICAL PRESENTATION CAUSED BY AN ATYPICAL FIBROUS BAND, Journal of hand surgery. British volume, 22B(1), 1997, pp. 52-53
An atypical case of Guyon's canal syndrome is reported. A 40-year-old
woman with hypoaesthesia and claw-finger deformity of the little finge
r, hypothenar muscle atrophy but no first dorsal interosseous muscle a
trophy, underwent release of a fibrous band to decompress the ulnar ne
rve at the deep branch just proximal to the branch to the abductor dig
iti minimi muscle. The claw-finger deformity recovered 1 week after su
rgery.