0009617 Abnormality of the distal phalanx of the thumb	0009655 Patchy sclerosis of thumb phalanx	0009840 Patchy sclerosis of distal phalanx of finger	0100912 Sclerosis of the distal phalanx of the thumb
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0009646 Patchy sclerosis of the distal phalanx of the thumb

synonym

Uneven increase in bone density in the outermost bone of the thumb