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PET Scans - False Positives
My PET/CT scan from last week shows that my liver looks great. I had an RFA, which has been successful. The FDG did not even register an SUV score in this organ. My SUV score has dropped to zero over time.
However, the SUV's at my lumpectomy (w/shrinking hematoma) site are rising over time (1.4, 1.9, 2.4). Last week, my value was 2.4 and a comment of "Malignancy Not Excluded, further testing required". My surgeon and Oncologist seem to think this is a false positive. If so, why the rising score? My lumpectomy was in 12/04.
At surgical sites, is anyone else experiencing:
1. Rising SUV's?
2. Level SUV's?
3. SUV's slowly dropping and/or returning to zero?
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Margo
Diagnosed 08/2004 @ 45; Metaplastic Breast Cancer (MpBC)
Stage IV, HER2 3+, ER-/PR-, Met to Liver
08/2004 - Neo-adjuvant Taxotere/Carboplatin/Herceptin (TCH) - 4 rounds.
09/2004 - Herceptin - Weekly.
11/2004 - Liver RFA, followed w/TCH - 2 rounds.
12/2004 - Lumpectomy, axillary node dissection, followed w/TCH - 2 rounds.
05/2005 - Radiation - Breast, shoulder, neck (left side) - 35X
09/2005 - Developed severe osteoporosis - Boniva - monthly
04/2008 - Herceptin - Every 3 weeks (changed from weekly).
05/2012 - Mets: 3 new liver and 2 lymph nodes.
06/2012 - Start 16 rounds Navelbine and Herceptin weekly.
11/2012 - Liver resection, RFAs (8), lymphadenectomy (2), cholecystectomy.
12/2012 - Herceptin and Letrozole.
05/2014 - Mets: 5 aortocaval nodes & 1 mesenteric.
06/2014 - Herceptin/Perjeta/Taxotere - 6 rounds.
10/2014 - Herceptin / Perjeta - Open ended
04/2015 - Progression: Porta hepatic node, 2 aortocaval nodes.
05/2015 - Exploratory surgery treating progression, 12 nodes removed.
07/2015 - Restart Herceptin / Perjeta
01/2016 - Progression 8 nodes.
02/2016 - Starting T-DM1 (Kadcyla) - Open ended.
07/2017 - Progression.
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