Tumors Of The Cranium And The Spine

This group encompasses several rare benign and malignant tumors of the bone, cartilage, and blood vessels that can compress or invade the adjacent neural tissue.

Benign tumors are the osteoma, chondroma, hemangioma, and the sacrococcygeal teratoma.

Malignant tumors are the osteosarcoma and chondrosarcoma.

Chordoma, a rare, slowly growing tumor, chiefly of adults, originates from remnant cells of the notochord and is situated over the clivus or in the sacrococcygeal region. It tends to invade the adjacent structures and metastasize to the lungs and lymph nodes.

Metastatic tumors are commonly from prostate and breast carcinomas. Multiple bony lesions occur in hema-topoietic malignancies (myelomas) and Langerhans' histiocytosis.

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