preferred_name: Synostosis of the proximal phalanx of the thumb with the 1st metacarpal
preferred_name_lc: synostosis of the proximal phalanx of the thumb with the 1st metacarpal
label: Fusion of the innermost bone of the thumb with the 1st long bone of hand
label_lc: fusion of the innermost bone of the thumb with the 1st long bone of hand