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I've been on navelbine/herceptin for almost 3 months now for bone mets. I just came from onc. app't.
Tumor marker ca27.29 was 55 in Jan. when I started navelbine. Then it went to 67 for, now, as of last week, it's at 74. So, the rise in count is disturbing.
PET scan last week shows slight improvement, no new sites, & slighty lower numbers on other site, but says "there is diffuse intensely increased metabolism in the marrow of the spine, pelvis, sternum, and proxiaml femors. This is typical for chemotherapy response. The intense activity with SUV measurements up to 8.0 may obscure bone metastases." So, it's not determined if the "shadows" are just due to chemo, or if they're preventing the mets to be seen. Since the tumor marker is up, I'm scared that's the case.
My onc. says lets stay on the same course & retest the marker in 4-5 weeks.
Anyone have any insights on these results?
Thanks.
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