Table 4. Analysis of the recurrence cases.

	Recurrences
Case	Location	Primary treatment	Time of recurrence	Treatment after recurrence
1	Proximal tibia	Curettage	12 months	Curettage + autograft
2	Diaphysis of the first metacarpal bone	Curettage	8 months	Curettage + autograft
3	Proximal phalanx of the great toe	Curettage	6 months	Excision + autograft + arthrodesis
4	Calcaneus	Curettage	5 months	Curettage + autograft
5	Calcaneus	Curettage	6 months	Curettage + autograft
*Initial treatment of “Case 1” was applied at our clinic. The other four patients (Case 2, 3, 4, and 5) were referred to our clinic after recurrence.