9372/3 Dedifferentiated chordoma


Definitions

Bone
ICD-O-3 topography code: C40-C41
ICD10: C40-C41
           

A high-grade malignant bone tumor arising from the remnants of the notochord. It is characterized by a lobulated growth pattern, myxoid stroma formation, the presence of physaliphorous cells, and a sarcomatous component.