Page 764 - Withrow and MacEwen's Small Animal Clinical Oncology, 6th Edition
P. 764
742 PART IV Specific Malignancies in the Small Animal Patient
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• Fig. 33.25 (A) Radiograph of a distal femur in a dog demonstrating severe osteolysis and a pathologic
fracture secondary to a plasma cell tumor. (B) Radiograph of the same pathologic fracture after surgical
repair with Rush rods and bone cement. Local site was treated with adjuvant radiation. The dog was con-
tinued on chemotherapy for 2 more years and did well.
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• Fig. 33.26 (A) Lateral thoracic radiographs of a dog showing multiple expansile lytic lesions and patho-
logic fractures of the dorsal spinous processes and collapse fracture (arrow) of the third thoracic vertebral
body. (B) Lateral thoracic radiographs of a dog with diffuse osteopenia secondary to multiple myeloma.
Note the overall decreased opacity of the lumbar vertebrae and dorsal spinous processes secondary to
diffuse marrow involvement causing loss of bone trabeculae and thinning of the cortices.
