| Health / Medical Topics |
Periosteal Osteosarcoma
Definition 1
An intermediate grade malignant bone-forming mesenchymal neoplasm with chondroblastic differentiation. The tumor arises from the surface of the bone and affects the diaphysis or diaphyseal- metaphyseal portion of the long bones. A painless mass or swelling is the most common clinical sign. It is associated with a better prognosis than conventional osteosarcoma. (NCI Thesaurus)
Definition 2
An intermediate grade chondroblastic osteosarcoma arising on the surface of bone. (NCI Thesaurus)
YOU MAY ALSO LIKE
A malignant fibroblastic tumor arising from the periosteal connective tissue that surrounds a bone.
A benign fibrous tumor arising from the periosteal connective tissue that surrounds a bone.
A reactive, benign fibrous lesion that develops in the periosteum of the femur. It usually affects boys and there is a…
A chondrosarcoma arising from the surface of bone. It is characterized by a lobulated growth pattern, high mitotic activity, myxoid stroma formation,…
A benign neoplasm composed of hyaline cartilage arising from the periosteum of the bone. It is characterized by the presence of chondrocytes,…
A cell of the loose cellular inner layer of the periosteal tissue in the intramembranous ossification of bone
