An osteosarcoma of the femoral diaphysis associated with the presence of a bone plate in a dog A bone tumor which developed in the middle third of the left femur of an Irish Setter, seven years after a metallic plate had been used to reduce a fracture, is described. Through radiographs, the tumor was found to involve the diaphysis of the bone. The histopathology revealed that it was an osteosarcoma. Spontaneous and induced osteosarcomas are compared, and the possible correlation between the development of a tumor of this nature and the use of orthopedic implants is discussed.
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