/malignancy in giant cell tumor of bone

malignancy in giant cell tumor of bone

Rare Disease

MONDO:0006287

Also Known As

Dedifferentiated giant cell tumorDedifferentiated giant cell tumourOSTEOCLASTOMA, malignantbone giant cell sarcomagiant cell bone sarcomagiant cell sarcoma of bonegiant cell sarcoma of the bonegiant cell tumor of bone, malignantgiant cell tumor of bone, malignant (morphologic abnormality)giant cell tumour of bone, malignantgiant cell tumour of bone, malignant (morphologic abnormality)malignancy in giant cell tumor of bonemalignancy in giant cell tumor of the bonemalignancy in giant cell tumour of the bonemalignant giant cell tumor of bonemalignant giant cell tumour of bone

Definition

A malignant tumor that arises from the bone. It is characterized by the presence of an area of high grade sarcoma in an otherwise typical giant cell tumor (primary malignancy in giant cell tumor), or the presence of sarcoma in which the pre-existing giant cell tumor may or may not be apparent (secondary malignancy in giant cell tumor).