by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Bone Tumors, Malignant Osseous
General Information High grade surface osteosarcoma is a type of high grade osteosarcoma that develops on the surface of the bone from the outer cortex. There is none to minimal medullary involvement The microscopic pathology is the same as a conventional osteosarcoma...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Bone Tumors, Malignant Osseous
General Information Periosteal osteosarcoma is a distinct type of surface osteosarcoma (arises from the surface of the bone/periosteum) It arises from the inner layer of the periosteum and therefore elevates the periosteum and produces a periosteal reaction Periosteal...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Bone Tumors, Malignant Osseous
General Information Parosteal osteosarcoma is a low grade, well differentiated fibroblastic tumor that produces bone/osteoid (immature woven bone). It arises from the surface of the bone, namely the outer layer of the periosteum. It is slow growing and slow to...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Bone Tumors, Malignant Osseous
GENERAL INFORMATION Low Grade Intraosseous Osteosarcoma is a low grade malignant bone tumor that accounts for 1% to 2% of all Osteosarcomas. Constituent cells of the tumor form osteoid or immature woven bone. CLINICAL DATA • More frequent in second and...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Bone Tumors, Malignant Osseous
General Information Telangiectatic osteosarcoma is a variant of an intramedullary high grade osteosarcoma. Accounts for 3% of osteosarcomas Telangiectatic osteosarcoma is extremely lytic on X-rays. It demonstrates very little osteoid production. It is characterized by...
by drjamescwittigmd_4dcg6x | Oct 3, 2025 | Benign Osseous, Bone Tumors
GENERAL INFORMATION Osteoma is a rare benign bone tumor, composed of mature osseous tissue. It presents as a protruding mass of dense periosteal intramembranous bone, usually on surface of host bone. It is abnormally dense but is normal bone formed in the...