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| Parosteal osteosarcoma |
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| Parosteal osteosarcoma
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•Specimen is a longitudinal section of the proximal end of
a long bone.
•The tumor (indicated by the arrows) arises from the
periosteum, explaining its eccentric appearance.
•The tumor has grown into the soft tissues around the joint.
| | (Description By:T.V.Rajan, M.D. )
| | (Image Contrib. by: UCHC )
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