Chondrogenic tumors
Bizarre parosteal ostechondromatous proliferation
Central atypial cartilaginous tumor/ chondrosarcoma, grade 1
Secondary peripheral atypical cartilaginous tumor/ chondrosarcoma, grade 1
Central chondrosarcoma, grades 2 and 3
Secondary peripheral chondrosarcoma, grades 2 and 3
Dedifferentiated chondrosarcoma
Osteogenic tumors
Low-grade central osteosarcoma
High-grade surface osteosarcoma
Fibrogenic tumors
Vascular tumors of bone
Epithelioid hemangioma of bone
Epithelioid hemangioendothelioma of bone
Osteoclastic giant cell-rich tumors
Notochordal tumors
Poorly differentiated chordoma
Other mesenchymal tumors of bone
Chondromesenchymal hamartoma of chest wall
Fibrocartilaginous mesenchymoma
Undifferentiated pleomorphic sarcoma
Hematopoietic neoplasms of bone
Primary non-Hodgkin lymphoma of bone
Adipocytic tumors
Lipoblastoma and lipoblastomatosis
Spindle cell lipoma and pleomorphic lipoma
Atypical spindle cell/pleomorphic lipomatous tumor
Atypical lipomatous tumor/well-differentiated liposarcoma
Myxoid pleomorphic liposarcoma
Fibroblastic and myofibroblastic tumors
Proliferative fasciitis and proliferative myositis
Myositis ossificans and fibro-osseous pseudotumor of digits
Calcifying aponeurotic fibroma
EWSR1-SMAD3-positive fibroblastic tumor (emerging)
Palmar fibromatosis and plantar fibromatosis
Dermatofibrosarcoma protuberans
Inflammatory myofibroblastic tumor
Low-grade myofibroblastic tumor
Low-grade myofibroblastic sarcoma
Sclerosing epithelioid fibrosarcoma
So-called fibrohistiocytic tumors
Plexiform fibrohistiocytic tumor
Giant cell tumor of soft tissue
Vascular tumors
Hemangiomas
Arteriovenous malformation/hemangioma
Lymphangioma and lymphangiomatosis
Tufted angioma and kaposiform hemangioendothelioma
Papillary intralymphatic angioendothelioma
Composite hemangioendothelioma
Pseudomyogenic hemangioendothelioma
Epithelioid hemangioendothelioma
Pericytic (perivascular) tumors
Myopericytoma, including myofibroma
Smooth muscle tumors
EBV-associated smooth muscle tumor
Skeletal muscle tumors
Spindle cell/sclerosing rhabdomyosarcoma
Gastrointestinal stromal tumors
Gastrointestinal stromal tumor
Chondro-osseous tumors
Peripheral nerve sheath tumors
Solitary circumscribed neuroma
Ectopic meningioma and meningiothelial hamartoma
Benign triton tumor/neuromuscular choristoma
Malignant peripheral nerve sheath tumor
Malignant melanotic nerve sheath tumor
Tumors of uncertain differentiation
Angiomatoid fibrous histiocytoma
Myoepithelioma, myoepithelial carcinoma, and mixed tumor
Pleomorphic hyalinizing angiectatic tumor of soft parts
Hemosiderotic fibrolipomatous tumor
Phosphaturic mesenchymal tumor
NTRK-rearranged spindel cell neoplasm (emerging)
Synovial sarcoma
Epithelioid sarcoma
Alveolar soft part sarcoma
Clear cell sarcoma of soft tissue
Extraskeletal myxoid chondrosarcoma
Desmoplastic small round cell tumor
Extrarenal rhabdoid tumor
PEComa
Intimal sarcoma
Undifferentiated sarcoma
Ewing sarcoma
Round cell sarcoma with EWSR1-non-ETS fusions
CIC-rearranged sarcoma
Sarcoma with BCOR genetic alterations