ADRENAL SUPPRESSION TEST (Y56,169) 131I-ADOSTEROL & DEXAMETHASONE 1.PREPARATION-(7DAYS) START KI (POTASSIUM), 300mg (3TIMES/A DAY), TO BLOCK THYROID UPTAKE. -(3DAYS) BEFORE 131I-ADOSUTAROL INJECTION (DEXAMETHASONE) IS GIVEN (4mg/DAY) FOR 10DAYS, TO SUPPRESS NORMAL ADRENAL. *--------------4DAYS-------------*----------3DAYS---------------------*-----------7DAYS-----------------* START(Kl) START(DEXAMETHASONE) INJECT(131I) START IMAGING 2.PROCEDURE+EXAMINATION TIME -(1WEEK)POST INJECTION START IMAGING (1WEEK POST 131I-ADOSTEROL INJECTION), (STATIC), (256*256), (PRESET TIME=30MIN), (SUPINE), (ANT,POST), (HEGAP), (I WINDOW=364KEV, 20%), (TOTAL TIME=60MIN) 3.DOSE 131I-ADOSTEROL = 37MBq (1 mCi) |