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Table 2 Intraosseous ganglia distribution and size.

From: MRI-identified abnormalities and wrist range of motion in asymptomatic versus symptomatic computer users

BONE # IOG Asymptomatic # IOG Symptomatic
lunate 7 13
capitate 8 6
scaphoid 2 4
trapezoid 3 2
triquetrum 2 2
trapezium 1 2
hamate 2 2
distal radius 0 1
1st metacarpal base 1 0
Right wrist 11 14
Left wrist 14 18
Total 25 32
Mean max. dim. (mm) 1.9 ± 1.1 3.0 ± 3.2
Mean max. area (mm2) 6.1 ± 3.2 11.2 ± 11.1
Median max. area (mm2) 5 7.5*
Number of wrists 4 Right, 7 Left 9 Right, 9 Left
  1. *p < .05