Iodine whole body scan - Preparation Requirements

TOTAL DURATION OF STUDY:

48 hours

SCANNING TIME:

Approximately 60 minutes

PREGNANCY:

Contraindicated

BREAST FEEDING:

Stopped

MEDICATION:

Eltroxin medication must be stopped for 6 weeks. Eltroxin therapy may recommence 48 hours after Iodine administration with the acknowledgement of your referring clinician.

ALTERNATIVE TO ELTROXIN WITHDRAWAL:

rhTSH recombinant human TSH is approved by American Thyroid Association and is administered as follows: 0.9mg rhTSH i.m.i on two consecutive days, followed by 131I administration on the third day

BIOCHEMISTRY:

Serum TSH and T4 levels 4 weeks after eltroxin has been stopped.

OPTIMUM

If blood TSH levels are > 50, schedule scan.

SATISFACTORY:

If blood TSH levels are > 30, schedule scan.

DIET:

Low iodine diet prior to study

ALLERGY

There is no conflict with Iodine allergy. The administered dose is less than the iodine content of a regular meal.

HYDRATION:

Patient is encouraged to drink water prior and during study