Type I: Tumor at diaphyseal location or metaphyseal location over 2 cm far from the epiphyseal plate
Type II: Tumor at metaphyseal location extending to less than half of the epiphyseal growth plate
Type III: Tumor at metaphyseal location extending to the whole growth plate
Type IV: Metaphyseal tumor extending through the growth plate into part of the epiphysis at least 1 cm from the articular surface
Type V: Tumor extending into less than half of the epiphysis less than 1 cm away from the articular surface
Type VI: Tumor extending into more than half of the epiphysis less than 1 cm away from the articular surface
Fig. 16.1
Classification of tumor excision. (a) Type I. (b) Type II. (c )Type III. (d) Type IV. (e) Type V. (f) Type VI
16.3 Surgical Techniques
16.3.1 Type I (Fig. 16.2)
Fig. 16.2
Type I: surgical method. (a) Resection line. (b) Tumor resection. (c) Application of external fixator and osteotomy for lengthening. (d) Bone grafting at docking site. (e) After bone consolidation
16.3.2 Type II (Fig. 16.3)
Fig. 16.3
Type II: surgical method. (a) Resection line. (b) Tumor resection. (c) Application of external fixator and osteotomy for lengthening. (d) Bone grafting at docking site. (e) After bone consolidation
16.3.3 Type III (Fig. 16.4)
Fig. 16.4
Type III: surgical method. (a) Resection line. (b) Tumor resection. (c) Application of external fixator and osteotomy for lengthening. (d) Bone grafting at docking site. (e) After bone consolidation