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Is it unusual to have a variance in tumor measurement between ultrasound and MRI? Picked up MRI report this afternoon and noticed they measured tumor as 1.8 cm vice 1.2 cm. Of course, first thought was oh crap, did it grow that much in two weeks?

Linda Green Profile
Asked by


Patient about 8 years
  • Sharon Danielson Profile
    乳癌幸存者从 2007
    The MRI can pick up much more detail. Some malignant tumors aren't evenly shaped and maybe that would be where the discrepancy is showing up. Never be afraid to call the office that did the MRI and ask to speak to a doctor. It's their job to know the answers to those types of questions.
    about 8 years Comment Flag
  • Thumb avatar default
    Stage 1 病人
    It is also because of the way that you are positioned in the MRI machine. If you were lying on your stomach for the MRI with your breasts hanging down through the MRI table it is going to change the shape of your breast therefore making the measurements different then when you were lying on your back for the ultrasound.
    about 8 years Comment Flag
  • holly jones Profile
    Learning About Breast Cancer
    Mine measured 2.2 on ultrasound..then 3cm on MRI,my surgeon said it may have been from the biopsy ,(blood etc) cause I had a biopsy on it after the ultrasound but before the MRI.
    about 8 years Flag
    • Linda Green Profile
      Stage 1 Patient

      I'm sure hoping that explains it because I too had biopsy between ultrasound and MRI. Will find out for sure tomorrow.

      about 8 years Flag
    • Diana Foster Payne Profile
      Stage 4 病人

      Yes, I do think an MRI is much more accurate. I don't think it's totally accurate though until they actually get in there during surgery to see.

      about 8 years Flag

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