According to the Histological Typinf of Odontogenic Tumors of the World Health Organization, the central giant cell granuloma is a non-neoplastic bone lesion. Histologically, it consists of fibrous tissue containing multiple foci of hemorrhage and aggregations of multinucleated giant cells. Sometimes, it´s possible to observe trabeculae of woven bone, forming within the septa of mature fibrous tissue, tha ...
Fibrous dysplasia is a non-neoplastic bone lesion of unknown etiology. It is a non-encapsulated lesion occuring mainly in young subjects, usually in the maxilla, and showing replacement of the normal bone by cellular fibrous tissue containing islands or trabeculae of metaplastic bone. Fibrous dysplasia is usually monostotic, but may occasionally be part of a polyostotic process. The polyostotic lesion may occur...
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