Abstract
Trophic limb changes following early unilateral brain lesions have been noted clinically for years. No studies, however, have reported foot and hand length of children with CT scan verified lesions of known age of onset. Measurements of foot and hand length for 15 neurologically normal, 17 L brain lesioned, and 12 R brain lesioned young children were taken >2 yrs. post lesion onset. Results are as follows: When a >.2 cm cut-off level in foot asymmetry is established, 9 of the 12 R lesioned children, 11 of the 17 L lesioned children, and only 1 of the 15 normal children are identified (chi square= 12.98; p .2 cm difference is L handed. These findings suggest that asymmetric foot and hand development may provide a subtle biological marker for early CNS pathology among children who otherwise are neurologically asymptomatic and may signal pathological L handedness.
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