[Differential diagnosis of giant-cell bone tumors].

Beyond the "myeloplax tumor", other tumoral bony lesions, essentially benign, present "osteoclast-like" giant multinuclear cells at the time of the anatomo-pathologic examination. Generally, the differential diagnosis of these bony lesions with giant cells is due to the conjunction of several data such as the age of appearance of the lesion, bony location, radiological aspect, anatomopathological aspect, etc.