1 Approach to Bone and Soft-Tissue Tumors 2 Adjuvant Techniques -Immunohistochemistry, Cytogenetics, and Molecular Genetics 3 Fibroblastic and Myofibroblastic Tumors 4 Fibrohistiocytic Tumors 5 Adipocytic Tumors 6 Smooth Muscle Tumors 7 Skeletal Muscle Tumors 8 Tumors of Perivascular Cells 9 Gastrointestinal Stromal Tumor 10 Vascular Tumors of Soft Tissue and Bone 11 Nerve Sheath Tumors 12 Matrix-forming Tumors of Soft Tissue 13 Tumors of Synovial and Tenosynovial Tissue 14 Undifferentiated small round cell sarcomas of bone and soft tissue 14 Undifferentiated small round cell sarcomas of bone and soft tissue 15 Mesenchymal Tumors of Miscellaneous Type or Uncertain Lineage 16 Bone-Forming Tumors 17 Cartilage-Forming Tumors 18 Fibroblastic and Fibrohistiocytic Tumors 19 Hematolymphoid Neoplasms of Bone 19 Vascular 20 Giant cell tumor of Bone 21 Notochordal Cell Tumors 22 Osteofibrous dysplasia /Adamantinoma 23 Cystic Tumors of Bone 24 Fibrous Dysplasia of Bone 25 Metastases