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  • How accurate is a chest xray compared to a CT?

    All you TC experts out there,


    I had my chest x-ray done last week, and today my Oncologist received the results. He said that the x-ray was "all clear." Ever since the start of chemo, I have had an 8mm mass in my lower lobe of my left lung . It really didn't change much during the first two rounds. (My last CT scan performed 1 month ago showed that it has 'nominally decreased in size, approximately 0.5mm').

    My question is this: How easy is it to see a 7mm nodule/mass on an x-ray? I know a CT scan is much more accurate, but is a nodule of my size even visible on an x-ray?


    I don't want to get my hopes up just quite yet, but I just started my last round today, I want this b*tch gone!

    Thank you for all your suggestions, comments, opinions, and prayers you have all sent my way. It's greatly appreciated!

    -Justin
    sigpic

    Justin; http://www.facebook.com/justinkatuls
    Stage IIIB with mets to lungs; 100%EC; BEPx4

    http://youtu.be/hlsIwmtb0U8 Divine Romance, Phil Wickham

  • #2
    i have a very similar situation, they haven't given me a CT scan since before treatment, and then they gave me a chest x-ray and said my lung tumors had shrunk, but by like a few millimeters so I wondered the same thing. sorry this isn't really an answer so much as it is a continuation of your question
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    • #3
      chest x-rays are accurate down to about 1cm. You might be able to pickup something smaller than that, but it's going to be highly radiologist dependent. ie you'd need quite a skilled radiologist to be able to accurately pickup something smaller than that.

      Steve - My CaringBridge
      Feb 2011, Stage IIB, 4xEP, RPLND, PTSD
      My Survivorship Thread (all my links)
      Now Blogging for TCAFInfo.org

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      • #4
        Originally posted by S P View Post
        chest x-rays are accurate down to about 1cm. You might be able to pickup something smaller than that, but it's going to be highly radiologist dependent. ie you'd need quite a skilled radiologist to be able to accurately pickup something smaller than that.
        Yeah, that's what I figured. I did quite a few different angles and sides, so I'm hoping they got a few good lucks. I'm keeping my fingers crossed.
        sigpic

        Justin; http://www.facebook.com/justinkatuls
        Stage IIIB with mets to lungs; 100%EC; BEPx4

        http://youtu.be/hlsIwmtb0U8 Divine Romance, Phil Wickham

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        • #5
          Originally posted by zbot View Post
          i have a very similar situation, they haven't given me a CT scan since before treatment, and then they gave me a chest x-ray and said my lung tumors had shrunk, but by like a few millimeters so I wondered the same thing. sorry this isn't really an answer so much as it is a continuation of your question
          what was the initial size of the masses in your lungs?
          sigpic

          Justin; http://www.facebook.com/justinkatuls
          Stage IIIB with mets to lungs; 100%EC; BEPx4

          http://youtu.be/hlsIwmtb0U8 Divine Romance, Phil Wickham

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