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Ct scans or mri

Mmoses25's picture
Mmoses25
Posts: 151
Joined: May 2020

My last time I had my scans I was Ned I get scans every three months I had always got mri so we decided we could do ct scans every other three months do you guys think ct scans are as good as mri just wondering

Biner
Posts: 103
Joined: Apr 2020

i had only ct scans and never mri,mri more expencive and not every insurence will approve it

hope_123
Posts: 21
Joined: Dec 2020

MRI is safer though in some cases, no radiation... but a risk for potential death or disease from gadolinium contrast reaction MRI dye if your kidney functioning is extemely low. just FYI. I would push for MRI if you are able to but always have your blood drawn and kidney function tested before MRI, it's simple and inexpensive test.

 

Bay Area Guy's picture
Bay Area Guy
Posts: 517
Joined: Jun 2016

I alternated between CT and ultrasound.  If my sieve-like memory is operating correctly, I seem to recall that CT is the detailed imaging of choice for soft tissue and organ scans, where an MRIis generally preferred for bone, catiledge and ligament scans.

As for the contrast, I always was given a blood test (sometimes just a finger stick) to check creatinine levels before the CT scans, which were always done in two passes, both with and without contrast.

AliceB1950's picture
AliceB1950
Posts: 125
Joined: Jun 2019

I've only had CT scans and one PET scan since surgery in 2018.  I had an MRI the same year for breast cancer; for some reason CTs don't pick up breast tumors very well.

hope_123
Posts: 21
Joined: Dec 2020

I've read MRI is superior for breasts but can yield false positives (which is better than missing something, then they go verify or prove negative with a biopsy). There's also abbreviated breast MRI that costs less than regular MRI.

hope_123
Posts: 21
Joined: Dec 2020

Maybe look at Mayo Clinic, Cleveland Clinic, MSKCC info or similar for information on what is best between MRI or CT and ask people what their CT or MRI was used for. I don't think any one person will have all the answers, it's more nuanced between MRI and CT.

 

donna_lee's picture
donna_lee
Posts: 1018
Joined: Feb 2009

Chest x-ray with US of Chest and Abdomen.  Since mine had mets to the liver and nodes and then was found separately in single nodes in abdomen and pelvis, I had CT's for the first several years, then tapered to Xray/US.

Never MRI's with kidney.  But that was the first thing my orthopaedist orderd when looking at the inside of my knee.  MRI defines the soft tissue of muscle, ligament, tendon aroung the bone much better.

And most Oncologists I have dealt with or my friends have seen use CT's for Cancer DX.

donna_lee

a_oaklee
Posts: 567
Joined: Nov 2013

Our different oncologists have said whatever scan you have, dont switch back and forth between the two.  Its more difficult to compare the previous scan to the current one.  They have also gone so far as to say to go to the same facility with the same machine.  Which means we travel to a newer and better machine.  Sometimes multiple radiologic oncologists review the scans.  So in all of that there is consistency for comparison.

Interesting none of you mention this.  However, husband is stage 4 and maybe that is why.

a_oaklee
Posts: 567
Joined: Nov 2013

Its advised that anyone with spinal mets have an MRI to see the spine better.  Guess the CT isnt good enough.  So he has both.  CT/Pet head to toe and a spine mri.

Mmoses25's picture
Mmoses25
Posts: 151
Joined: May 2020

Thank you very much for the information

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