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Case 264 - Discussion |
Uploaded: 2008-10-04, Updated: 2008-11-27 |
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High-grade osteosarcoma at the lower end of femur, osteoblastic-type. - Maximum tumor dimension: 9.0 cm - Tumor invades through cortical bone into adjacent soft tissue. - The tumor is predominantly osteoblastic-type; telengiectatic and rare chondroblastic foci also seen. - Mitotic count 6-8/10 HPF. Approximately 20% of tumor is necrotic. |
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CLINICAL FEATURES |
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GROSS FINDINGS |
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MICROSCOPIC FINDINGS |
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SUBTYPES |
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DIFFERENTIAL DIAGNOSES |
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IMMUNOHISTOCHEMISTRY AND SPECIAL STAINS |
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ELECTRON MICROSCOPIC FINDINGS |
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CYTOGENETIC STUDIES |
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TREATMENT AND PROGNOSIS |
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REFERENCES |
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