PMC9201229_01
The gross appearance of the lesion in the distal phalanx of the index finger
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F1
Physical examination revealed a round induration that was about 1.5 cm in diameter with mild tenderness on palpation with an unaffected range of motion of the distal interphalangeal joint [Figure 1].
Roentgenogram showing a lytic lesion with ill-defined borders and swelling without calcification of soft- tissue
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F2
A plain roentgenogram of the index finger was obtained, which revealed an ill-defined lytic lesion of the P3F2 bone with evident swelling of the surrounding soft tissue but without obvious calcification [Figure 2].
Magnetic resonance imaging showing the lobulated masss
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F3
The lesion was in proximity to the collateral ligament but was independent of it [Figure 3].