Periosteal Osteosarcoma

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...

Parosteal Osteosarcoma

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...

Osteoma

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...