Tuesday, February 3, 2015

Study group discussion: Bone tumors

Osteoclastoma is a giant cell tumor, right?

And these giant cells can be differentiated from other giant cells on the basis of the number of nucleoli present?


These giant cells will have about a 100 nucleoli

Osteogenic sarcoma is osteosarcoma. it is a malignant tumor

 names are confusing
 Osteosarcoma, osteoblastoma, osteoclastoma
 The other two are benign?

GCT(osteoclastoma) is a special variant bone tumor
Does not come under either benign or malignant
 Based on number of giant celss an osteoclastoma is loosely classified from typical to aggressive to malignant
 More giant cells and less stroma its benign, less giant cells more stroma its aggressive.

Osteoblastoma is a rare primary neoplasm of bone, categorized as a benign bone tumor that is closely related to osteoid osteoma. It differs from osteoid osteoma in its ability to grow larger than 2.0 cm in diameter and its aggressive behavior in bone.

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