ct scan w/contrast and one kidney

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ct scan w/contrast and one kidney

by jane99 on Thu Oct 21, 2010 08:59 PM

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Hello,

I have stage 4 rcc and am on sutent. My kidney was removed in 6/09 and then a retroperitoneal mass in 4/10.

I had an mri with contrast yesterday and am scheduled for a ct scan with contrast next week. I was told when I had my kidney removed that I should not have contrast witout having a kidney fuction test first. For these scans, I am basically being told that the kidney function test is no longer needed. I went ahead and had the one yesterday, but am concerned about having another scan so soon. Is it true that over time one doesn't need to worry about the contrast anymore. My oncologist is a generalist and does not have experience with rcc. My insurance company refuses to let me see the specialist at our local cancer hospital because he is out of network. Should I be worried about the contrast or am I making a big deal out of nothing? Thanks for any replies.

Jane

 

 

RE: ct scan w/contrast and one kidney

by reggofish on Thu Oct 21, 2010 09:08 PM

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Hi Jane,

I had my kidney removed 8/09 and I have a c/t scan every 90 days. Mine are all done w/o contrast to protect the remaining kidney. The hospital were I have the scans done will not do one with contrast if the creatanin(sp) is above 1.2. I am also on sutent.I am scheduled for another scan 11/5 w/o contrast. I would error on the side of caution and not have contrast.

Reg

RE: ct scan w/contrast and one kidney

by Ian_P on Thu Oct 21, 2010 11:56 PM

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Hi Jane and Reg,

I've been on one kidney for six years now, and had a lot of CT scans with contrast. Let me share my experience in Australia. I was told by the radiologist that did most of my scans that they would use contrast with a creatinin level up to 150 micromol/litre (I'm not sure how this translates to the US system, but 120 micromol/litre = 1.4 mg/dl). But on another occasion a radiologist insisted on getting my explicit permission to proceed with a contrast scan when I had a reading a bit less than this. It is important to know roughly what your creatinin level is, but there seems to be some leeway before contrast is ruled out. Of course it's really important to keep very well hydrated before and after the contrast is used.

Good luck, Ian

RE: ct scan w/contrast and one kidney

by Walking_Jim on Thu Oct 21, 2010 11:59 PM

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Hi Jane

I have been battling stage iv rcc for almost 5 years.  I have been on Sutent for almost 3 and 1/2 years after 1 year on Nexavar.  All of my ct  scans for the last 2+ years have been w/o contrast due to concern for remaining kidney.  My creatine level varies from about 1.7 during the 28 days taking Sutent and then drops to about 1.2 during the 14 days off Sutent.  If you are in the 28 days when you have the scan, I recommend you get it w/o contrast.

Jim

RE: ct scan w/contrast and one kidney

by jane99 on Fri Oct 22, 2010 04:54 AM

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Thanks for the replies. I am actually on a low dose of sutent, 25 mg one week on and one week off. This is because my white blood cell count is really low and I have had to have shots to bring the counts up. I apparently am very sensitive to the sutent. Hopefully that means it is working :)

RE: ct scan w/contrast and one kidney

by maryangela on Sat Oct 23, 2010 02:28 AM

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hi,

I have one kidney only as well and am on 50 mg of sutent. I attend a leading cancer clinic at a teaching hospital in Toronto, Canada. I currently have a Ct scan every 3 months - they use a gentler dye on me to help preserve my healthy kidney and they check my kidney function. God bless.

RE: ct scan w/contrast and one kidney

by MarcyS on Mon Oct 25, 2010 08:49 PM

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My husband has had 3 ct scans now and at 2 different locations.  Neither location would do a scan without a blood test to test his kidney function. 

If it were me, I would insist on the kidney function test prior to any further scans.

Marcy

RE: ct scan w/contrast and one kidney

by rick180 on Sat Nov 06, 2010 08:11 PM

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On Oct 21, 2010 8:59 PM jane99 wrote:

Hello,

I have stage 4 rcc and am on sutent. My kidney was removed in 6/09 and then a retroperitoneal mass in 4/10.

I had an mri with contrast yesterday and am scheduled for a ct scan with contrast next week. I was told when I had my kidney removed that I should not have contrast witout having a kidney fuction test first. For these scans, I am basically being told that the kidney function test is no longer needed. I went ahead and had the one yesterday, but am concerned about having another scan so soon. Is it true that over time one doesn't need to worry about the contrast anymore. My oncologist is a generalist and does not have experience with rcc. My insurance company refuses to let me see the specialist at our local cancer hospital because he is out of network. Should I be worried about the contrast or am I making a big deal out of nothing? Thanks for any replies.

Jane

 

 

I am at a different stage, no evidence of disease and no treatment.  since my 8/27/09 left nephrectomy I have had a CT scan about every three months because 4 lymph nodes were also removed and recurrence for me is a high possibility. because of my concern for the one remaining kidney my oncologist agreed to take me off the injected contrast and drink a barium "shake" (not that bad) prior to the scan.  the results are not as high tech as with the iodine IV but are deemed good enough to watch my progress.

I am no expert but a second opinion from an RCC urologist or oncologist may put you at ease; be well Rich

RE: ct scan w/contrast and one kidney

by Thomasogden1951 on Wed Mar 21, 2018 01:11 AM

Quote | Reply

On Nov 06, 2010 8:11 PM rick180 wrote:

On Oct 21, 2010 8:59 PM jane99 wrote:

Hello,

I have stage 4 rcc and am on sutent. My kidney was removed in 6/09 and then a retroperitoneal mass in 4/10.

I had an mri with contrast yesterday and am scheduled for a ct scan with contrast next week. I was told when I had my kidney removed that I should not have contrast witout having a kidney fuction test first. For these scans, I am basically being told that the kidney function test is no longer needed. I went ahead and had the one yesterday, but am concerned about having another scan so soon. Is it true that over time one doesn't need to worry about the contrast anymore. My oncologist is a generalist and does not have experience with rcc. My insurance company refuses to let me see the specialist at our local cancer hospital because he is out of network. Should I be worried about the contrast or am I making a big deal out of nothing? Thanks for any replies.

Jane

 

 

I am at a different stage, no evidence of disease and no treatment.  since my 8/27/09 left nephrectomy I have had a CT scan about every three months because 4 lymph nodes were also removed and recurrence for me is a high possibility. because of my concern for the one remaining kidney my oncologist agreed to take me off the injected contrast and drink a barium "shake" (not that bad) prior to the scan.  the results are not as high tech as with the iodine IV but are deemed good enough to watch my progress.

I am no expert but a second opinion from an RCC urologist or oncologist may put you at ease; be well Rich

In March of 2016 I had my left kidney removed due to RCC. This year I found out I have stage 3 non small cell lung cancer, which has spread to a couple of lymph nodes closest to the lung. For the past two years I have a CT scan every three months. I currently have 5 cancer doctors and none of them will do a CT scan with contrast. The contrast is important for the lymph nodes to be seen. My chemo doctor wants to do PET scans every 3 months instead of the CT scans with contrast. Maybe talk to your doctor and get their opinion.

RE: ct scan w/contrast and one kidney

by starkwood on Sun Jan 27, 2019 04:04 PM

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I Get my medical care from the VA and they will not do a scan with contrast if my eGFR level is 50 or below.  So far, mine has been above 60 so my remaining kidney seems to be doing the job well.  My scans are about six months apart up to present, but may become more frequent as last week's scan showed new nodules in my lungs.  I am very careful about what is done with the contrast, but they tell me that it is possible to miss new evidence of cancer without the contrast.  It's a risk/reward sort of balance.  Make them test you for creatinin and eGFR levels before every scan with contrast.

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