PMC10018418_01
Right foot: a circumferential, distinct boundary ("split") between normal and affected, crusted skin overlying osteolysis (red arrow), and shortening of the 2nd, 4th, and 5th toes.
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PMC10018418_01_cde-2023-0015-0001-529727_f1.jpg
F1
Examination of the feet revealed a distinct boundary between normal skin and affected crusted skin overlying osteolysis ("split" sign) on the third toe involving circumferentially the entire toe (Fig. 1).
Anteroposterior (right) and oblique (left) X-ray views of the right foot show complete resorption of the middle and terminal phalanges of the 5th toe, complete resorption of the terminal phalanx of the 4th toe, partial resorption of the terminal phalanx of the 3rd toe, and partial resorption of the middle and terminal phalanges of the 2nd toe.
cde-2023-0015-0001-529727_f2.jpg
PMC10018418_01_cde-2023-0015-0001-529727_f2.jpg
F2
X-rays of the right foot revealed complete resorption of the middle and terminal phalanx of the fifth toe, complete resorption of the terminal phalanx of the fourth toe, partial resorption of the terminal phalanx of the third toe, and partial resorption of the middle and terminal phalanx of the second toe (Fig. 2).