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Tumor markers
Mar 25, 2004
would anyone know if an elevated tumor marker is always accurate? my husband (49) has cancer. he has been on chemo for about 6 months. the marker started at 11,0000... dropped to 3100. and just this week went up to 4000.all his other blood work is fantastic.he is due for another cat scan this week.his tumor has already shrunk more than half.(as of the last ct scan) my question is... does an elevated marker always indicate a problem? are they accurate? and if there is a problem... what is the routine? is the medicine changed?thanks.
Re: Tumor markers
Mar 25, 2004
[QUOTE=shanana]would anyone know if an elevated tumor marker is always accurate? my husband (49) has cancer. he has been on chemo for about 6 months. the marker started at 11,0000... dropped to 3100. and just this week went up to 4000.all his other blood work is fantastic.he is due for another cat scan this week.his tumor has already shrunk more than half.(as of the last ct scan) my question is... does an elevated marker always indicate a problem? are they accurate? and if there is a problem... what is the routine? is the medicine changed?thanks.[/QUOTE]


My mother has liver cancer and her tumor marker CA 19-9 was at 6,000 before chemo. they said they would do it every month because they flucuate. My mothers marker is now 3,000 and her CT she just had has show the tumor has shrunk in half.
Re: Tumor markers
Mar 27, 2004
[QUOTE=shanana]would anyone know if an elevated tumor marker is always accurate? my husband (49) has cancer. he has been on chemo for about 6 months. the marker started at 11,0000... dropped to 3100. and just this week went up to 4000.all his other blood work is fantastic.he is due for another cat scan this week.his tumor has already shrunk more than half.(as of the last ct scan) my question is... does an elevated marker always indicate a problem? are they accurate? and if there is a problem... what is the routine? is the medicine changed?thanks.[/QUOTE]
Hi shanana....tumour markers are just that--markers. Their presence lets one know that there is still cancer. So when a cancer is really big, you get a really big number, and when it's smaller, you get a smaller reading. That said, when you get to the lower values, it is not as accurate. In your husband's case, the tumour is probably very small, but a difference between a value of 3100 and 4000 is not that big, and it probably doesn't mean that the tumour has grown any.

Does that make sense?





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