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Thread: 48 hours of foods to eat before PET SCAN

  1. #11
    Newbie New User
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    I have to do my no carb diet for 3 days prior to the PET Scan and fast for 12 hours prior to the scan.

  2. #12
    Regular User DianeB's Avatar
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    Feb 2012
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    My instructions show to start the restricted diet the day before the PET scan. Mine is scheduled for the 19th so I will have to start the diet on the 18th. I have 2 questions... can you have any type salad dressing, & is there anything you can drink other than plain water? My instructions say no flavored water.
    - Age 63
    - 10/21/2011 - 1st symptoms appeared (age 60)
    - 2/20/2012 - diagnosed via excisional biopsy (age 60)
    - *In left supraclavicial lymph node in neck area.
    - Diffuse Large B Cell Lymphoma
    - Stage 2
    - 05/21/12 - R-CHOP Started-6 cycles
    - 08/13/12 - CT & PET confirm remission
    - 09/21/12 finished R-CHOP
    - ongoing followup Dr. visits & scans - everything seems fine.
    - 04/30/14 - Lab results somewhat iffy. CT shows right
    supraclavicial node that had previously been decreasing in size, has now increased. (only by 1mm but any increase isn't a good thing). Also shows mass in right lung.
    -05/06/2014 - CT Guided Lung Biopsy


  3. #13
    Super Moderator Top User Baz10's Avatar
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    Agree with Brainman, as far as I'm aware there are zero dietary restrictions at least there wasn't for my last 2 scans.
    Barry
    Diagnosed stage 3 March 011
    Radical resection April 011
    Restaged 2b April 011.
    12/09 Colonoscopy clear but picked up hospital infection.
    Aorta & femoral arteries occluded.
    Clot buster drugs put me in ICU with internal bleeding. 9 blood units later they got it under control.
    Aortobifemoral surgery 5th May. yughh.
    PET scan indicates clear
    DEXA bone scan clear
    13/5 CT showed "unknown" but no concern from docs.
    Inguinal lymph nodes and severe groin pain.
    Ultrasound and MRI show no nasties. Pheww
    Groin pain and enlarged lymph nodes still there.
    October -still the same pains but under semi control.
    Additional chest CT scan ordered for 11th November prior to surgery.
    Sinus surgery done and dusted.
    July 2014 PSA at 5.10. 2months of antibiotics in case of UTI, jan 2015 PSA at 7.20, 23/08 now 8.2, current 8.1
    Prostate Cancer confirmed Gleason 3+Marginal 4.
    Active surveillance continues.
    PET CT Aug 2017 indicated lung nodule changes
    CT Guided biopsy 7/09
    November 1 Vats Wedge section pathology Glomulated previous infection
    no Cancer.

    Not all's rosy in the garden, but see following.
    Stop grumbling Baz, your still alive and kicking so far.
    Age and illness doesn't define who we are, but more what we are able to do.
    Motto
    Do what I love doing, when I can until I can't.
    and dodging bullets in the meanwhile, too many bullets at moment.

  4. #14
    Administrator Top User Didee's Avatar
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    This post is a few years old folks.
    I had no restrictions except no strenuous exercise before hand.
    Yea, like that is a problem for me (I am a couch potato)
    Aussie, age 61
    1987 CIN 111. Cervix lasered, no further problems.

    Years of pain, bleeding, women's plumbing problems. TV ultrasound, tests, eventual hysterectomy 2007, fibroids in lining of Uterus.

    Dx Peripheral T Cell Lymphoma stage 2B bulky, aggressive Dec/09.
    6 chop14 and Neulasta.
    Clean PET April/10, 18 rads 36gy mop up. All done May 2010
    Iffy scan Nov. 2011. Scan Feb 2012 .still in remission.Still NED Nov 2012.
    Discharged Nov 2014.

    May/2012. U/sound, thyroid scan, FNB. Benign adenoma.

    Relapse Apr 2016. AITL. Some chemos then on to allo transplant. Onc says long remission was good. Still very fixable.

    SCT Aug 2016

  5. #15
    That brings to mind a question I didn't think to ask before close of business this week, and I have a scan coming up on Monday:

    Previous experience had me going into the test all depleted and cranky feeling after the carb restriction. Could that screw up my post chemo checkup blood tests? I think they check for anemia, tumor antigens, kidney function and probably others. I have two oncologist followups the afternoon of that PET scan (the docs expect to have the results). Would what I eat after the scan make any difference in my lab results later that day?



    BTW, what's a vegan to do? Nibble lettuce leaves and sip coffee for two days? (I have 2 1/2 hours left to carb up!)

  6. #16
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    Thumbs down I am havng Pet Scan Monday and my paperwork says no carbs and no caffeine for 24hrs.

    Quote Originally Posted by Bamabelle View Post
    That brings to mind a question I didn't think to ask before close of business this week, and I have a scan coming up on Monday:

    Previous experience had me going into the test all depleted and cranky feeling after the carb restriction. Could that screw up my post chemo checkup blood tests? I think they check for anemia, tumor antigens, kidney function and probably others. I have two oncologist followups the afternoon of that PET scan (the docs expect to have the results). Would what I eat after the scan make any difference in my lab results later that day?



    BTW, what's a vegan to do? Nibble lettuce leaves and sip coffee for two days? (I have 2 1/2 hours left to carb up!)
    I am having pet scan done Monday and instructions say no carbs an no caffeine for 24 hrs. I do love my coffee.

  7. #17
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    • If low carb make you cranky then you should be on a low carb diet permanently.

    • What you eat after the scan is unlikely to alter your blood test results as long as you follow any guidelines those tests have.

    • Vegans are used to finding sources for protein, so this is trivial for them.

    • "Carbing up" will increase your blood sugar and produce a short period of energy, then you will crash to a more fatigued state. The only way to avoid this is to avoid simple carbs and eat only complex carbs. Fiber helps as well.



    Quote Originally Posted by Bamabelle View Post
    That brings to mind a question I didn't think to ask before close of business this week, and I have a scan coming up on Monday:

    Previous experience had me going into the test all depleted and cranky feeling after the carb restriction. Could that screw up my post chemo checkup blood tests? I think they check for anemia, tumor antigens, kidney function and probably others. I have two oncologist followups the afternoon of that PET scan (the docs expect to have the results). Would what I eat after the scan make any difference in my lab results later that day?



    BTW, what's a vegan to do? Nibble lettuce leaves and sip coffee for two days? (I have 2 1/2 hours left to carb up!)

  8. #18
    Moderator Senior User IndyLou's Avatar
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    I've had PET scans as recent as last year, 2013, and I was given few dietary restrictions beforehand. One thing you should do, at least a day before is to stay hydrated. This is probably more for ease of inserting the IV, more than anything else.

    And as far as sugar goes, limiting sweets and unnecessary sugars is probably always a good thing. However, I believe the fluid they typically inject is not only radioactive, but is glucose-based. Sugar water.

 

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