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Table 2 Bone strength scoring system

From: Limb salvage surgery with joint preservation for malignant humeral bone tumors: operative procedures and clinical application

Variable   Score  
1 2 3
Pain Mild Moderate Severe
site Distal humerus Diaphysis Proximal humerus
Nature Osteogenic Mixed Osteolytic
Length < 1/3 ≥1/3,≤2/3 > 2/3
Transverse diameter < 1/3 ≥1/3,≤2/3 > 2/3