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Title: Case report 775. Canine osteosarcoma with associated avascular necrosis and sequestrum formation. Author: De Smet AA, Dueland RT, Dubielzig RR. Journal: Skeletal Radiol; 1993; 22(2):146-9. PubMed ID: 8438186. Abstract: A young dog was found to have an osteosarcoma of the proximal femur containing a radiologically evident sequestrum of dead bone. Although the tumor was extensive, the plain films were most remarkable for the presence of a sequestrum. MR scans revealed the extent of the lesion, with low signal throughout the lesion consistent with the heavily calcified tumor and central avascular bone. At the 1-year follow-up, lung metastases had developed, but the dog appeared well.[Abstract] [Full Text] [Related] [New Search]