Biopsy: The only way to determine that this is actually metastatic breast cancer would be to perform a biopsy and evaluate if that tissue is breast carcinoma. A pet scan just shows an increase in cellular glucose utilization, but does not tell you anything about the cell type.
Answered 7/31/2013
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Not clear: They are likely still malignant, just not up taking the tracer. It may b a good opp to respect them if they are the only lesions seen.
Answered 7/27/2013
5k views
Favorable Response: Pet provides the benefit of early identification of ineffective chemotherapy, particularly metastatic breast cancer, as various alternative treatment options are available & allows patients to be spared the toxicities of ineffective treatments. Complete metabolic response is a great prognostic indicator with significantly increased overall survival compared to patients showing no response.
Answered 12/10/2013
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