Table 4.

Re-operations.

#	Histology	Bone	Indication	Time-point*	Re-operation
1	GCTa	Distal tibia	Local recurrence	3 m	Curettage
2	GCTa	Proximal femur	Local recurrence	7 m	Curettage
3	ABCb	Proximal fibula	Local recurrence	3 m	Sclerotherapy
4	ABCb	Distal tibia	Local recurrence	16 m	Sclerotherapy
5	Non-specific	Proximal femur	Suspected LRe	21 m	Curettage
6	Non-specific	Patella	Suspected LRe	11 m	Curettage
7	SCc	Proximal femur	Plate removal	20 m	Inj CERAMENT
8	SCc	Pelvis	Pain/Bone stock	13 m	Inj CERAMENT
9	Bone infarction	Proximal tibia	Bone stock	10 m	Curettage
10	IOGd	Distal tibia	Pain	14 m	Curettage

^*Time from primary operation (months).

^aGCT: Giant cell tumor.

^bABC: Aneurysmal bone cyst.

^cSC: Simple cyst.

^dIOG: Intraosseous ganglion.

^eLR: local recurrence.