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    Nuclear Medicine

    David C.P. Chen, M.D., our president is a well-known Nuclear Medicine Physician. We provide SPECT of heart and brain, quantitative liver/spleen scan, renal scan with GFR, bone scan and other cancer screening examinations. We are also specialized in nuclear medicine therapy with 1-131 for hyperactive thyroid gland and with Sr-89 for metastatic bone disease. We have treated numerous aforementioned cases with fantastic results for many years.


    Procedure Preparation Approx. Study Time Comments
    Bone Scan None 4 hours Questionnaire to be completed prior to study.
    Liver & Spleen Scan None 1 ½ hours Provide CT or US results if performed
    GI Bleeding ScanMeckel’s Scan None 1-2 hours1 hour NPO for at least for hours prior to the study
    Gastric Emptying SCAN NPO for at least 4 hours 1-2 ½ hours Patients should have a liquid or solid meal at the beginning of the study, which is prepared by our staff
    Hida Scan NPO for at least 4 hours 1 ½-4 hours If NPO for more than 24 hours, please notify the staff. Provide Ctor US results if performed
    Parathyroid Scan None 1-2 hours We need the results of serum calcium and parathormone.
    Thyroid Uptake and Scan NPO for at least 4 hours.
    Discontinue following medications: T3(Cytomel) 1 week, T4 (Sunthroid) 4 weeks, PTU/Tapazole 1 week. No contrast study for 2 month (CT, Angiogram).
    First day:
    20 minutes in the morning,1 hour in the afternoon.
    Second day:
    20 minutes in the morning.
    Two days to study.Provide US results if performed. We MUST have the results of thyroid function test. Questionnare to be complete prior to study.
    MUGA Scan None 1 ½ hour Blood will be drawn and reinjected after labeling
    Cardiac Scan Stress or Resting NPO for at least 4 hours.
    Discontinue Beta-blockers the day before if possible. No caffeine (coffee, soda, chocolate) for at least 24 hours.
    3-5 hours.
    May vary with different protocols. Please ask the staff for more information.
    We need to know the height and weight in advance. Questionnaire and consent form to be completed. May be performed in two days. Fasting prior to study. Wear comfortable clothing and shoes.
    Gallium Scan None 1st day: 20 mins.
    2nd day: 2 hours
    3rd day: 30 mins
    1st day injection with imaging
    48-72 hours later on the 2nd day and if needed 3rd day
    WBC Scan None 1st day: 20 mins in the morning and in the afternoon.
    2nd day: 1 ½ hour
    1st day: blood will be drawn and reinjected after labeling.
    2nd day: images will be acquired.
    Brain None 1-2 hours Provide MRI or CT results if performed.
    Octreotide ScanAntibody Scan Please contact the nuclear medicine staff Multiple days,1-4 hours Provide Mri or CT results if performed.
    Renal ScanRenal Scan with Lasix Drink about 4 large glasses of water in one-hour prior to study 1 hour Provide CT or US results if performed
    Renal Scan with Captroprill Discontinue ACE-Inhibitor & diuretic for 3 days if possible. Drink about 4 large glasses of water 1-hour prior to study otherwise NPO for 4-6 hours. 2 hours Provide CT or US results of performed.


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