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Figure 1 | BMC Musculoskeletal Disorders

Figure 1

From: Limb function and quality of life after various reconstruction methods according to tumor location following resection of osteosarcoma in distal femur

Figure 1

Classification of tumor location according to preoperative MRI. Type I (a), tumors located in the diaphysis at a distance of ≥ 1 cm from the Insall line. Type II (b), tumors located in contact with the Insall line or within 1 cm from this line. Type III (c), tumors extended from the diaphysis to the epiphysis beyond the Insall line.

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