MedicineOncologySurgeryBreast OncologySurgical OncologyTumor PathologyBone TumorsBreast Cancer OncologyBreast PathologyBreast SurgeryMammary TumorsPrimary Bone SarcomasBreast Lesion DiagnosisMalignant Breast TumorsOsteosarcoma Imaging
We describe a patient with osteosarcoma of the breast with intense uptake by the primary tumour of 99m Tc-methylene diphosphonate on bone scan. This appearance on bone scan strongly suggests a diagnosis of osteosarcoma, and has diagnostic and therapeutic implications which are discussed.