2022年12月2日 · Chordoma is a rare bone tumor that forms in your spine or skull base. All subtypes of chordoma are considered cancerous (malignant). Surgical removal of the tumor is the first-line treatment, but it can be difficult to completely remove chordomas due to their location near your spinal cord or brainstem.

2024年9月10日 · Chordomas are uncommon malignant tumors of the axial skeleton that account for 1% of intracranial tumors and 4% of all primary bone tumors. They originate from embryonic remnants of the primitive notochord (earliest fetal axial skeleton, extending from the Rathke's pouch to the tip of the coccyx).

2017年10月25日 · Chordoma is a rare, malignant bone tumor that may occur in the skull base, sacrum or spine. Learn about chordoma symptoms, diagnosis and treatment options.

2020年11月14日 · Chordoma is a rare type of bone cancer that happens most often in the bones of the spine or the skull. It most often forms where the skull sits atop the spine (skull base) or at the bottom of the spine (sacrum). Chordoma begins in cells that once made up a collection of cells in the developing embryo that go on to become the disks of the spine.

2007年12月1日 · Chordoma and chondrosarcoma differ with regard to their origin and histology, and differ markedly with regard to outcome. Chondroid chordomas behave in a manner that is clinically similar to chordomas, with the same prognosis.

2007年9月25日 · Chondrosarcoma is comprised of cartilage with pleomorphic chondrocytes. Chordoma and chondroid chordoma are immunopositive for epithelial markers including cytokeratin and epithelial membrane antigen (EMA), whereas chondrosarcoma is …

Chordoma is a slow growing cancer of tissue found inside the spine. Chordoma can happen anywhere along the spine. It is most often found near the tailbone (called a sacral tumor) or where the spine meets the skull (called a clival tumor). Chordoma is also called notochordal sarcoma.