Malignant Bone Tumors in Children

Vocabulary and key concepts regarding Osteosarcoma and Ewing’s Sarcoma in pediatric patients based on the lecture transcript.

Peak age for bone tumors

The age range of 15-19 years when malignant bone tumors most frequently occur.

Bone tumor clinical manifestations

Localized pain in the affected area (severe or dull), often relieved by a flexed position, limping, curtailed physical activity, and inability to hold heavy objects.

Pulmonary metastasis

The most common complication of primary bone tumors.

Osteosarcoma

The most common malignant bone tumor, generally located in the metaphysis of long bones, especially those of the lower extremities.

Osteosarcoma treatment

Usually involves chemotherapy and a “limb sparing” surgical procedure or sometimes radical surgical amputation.

Ewing’s Sarcoma

A malignant bone tumor that arises in the marrow spaces of the bone, primarily in the shafts of long bones, trunk bones, and skull.

Ewing’s Sarcoma treatment

Intensive radiation and chemotherapy, with surgery performed if it is possible to remove the entire bone.