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WHO Classification of Tumours
Periosteal chondrosarcoma
Bone


Definition

A rare variant of chondrosarcoma , arising from hyaline cartilage on the surface of bone. It occurs preferentially in the long bones of adults. Clinical presentation includes pain, and sometimes swelling. It is histologically characterized by a lobulated growth pattern, high mitotic activity, myxoid stroma formation, and necrotic changes
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Fletcher CDM, Unni KK, Mertens F (Eds.)
World Health Organization Classification of Tumours. Pathology and Genetics of Tumours of Soft Tissue and Bone.
3rd Edition
IARC Press: Lyon 2002



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