FRONTIERS IN BIOSCIENCE;

DATA FORM FOR CANCER CLASSIFICATION - BONE



HISTOPATHOLOGIC TYPE HISTOPATHOLOGIC GRADE

A. Bone-forming

GX: Grade cannot be assessed

1. Osteosarcoma

G1: Well differentiated

B. Cartilage-forming

G2: Moderately differentiated

1. Chondrosarcoma

G3: Poorly differentiated

2. Mesenchymal
chondrosarcoma

G4: Undifferentiated

C. Giant cell tumor, malignant

D. Ewing’s sarcoma

E. Vascular tumors

1. Hemangioendothelioma

2. Hemangiopericytoma

3. Angiosarcoma

F. Connective tissue tumors

1. Fibrosarcoma

2. Liposarcoma

3. Malignant mesenchymoma

4. Undifferentiated sarcoma

G. Other tumors

1. Chordoma

2. Adamantinoma of long bones


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