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Osteoblastoma

slide 7 of 14


Comments:
Osteoblastoma showing uneven mineralization of the bony trabeculae. Distinction between osteoblastoma and osteosarcoma may be extremely difficult when the material is limited. Osteoblastomas are sharply circumscribed with no permeation of the surrounding bone. Features favoring osteosarcoma include permeation and entrapment of host bone.

slide 7 of 14