Adrenal scintigraphy with I-131-6 beta-iodomethyl-19-norcholesterol require
s well-prepared patients. Its interpretation requires trained observers wit
h good knowledge of adrenal physiology and adrenal diseases. This multidisc
iplinary cooperative work was conducted by endocrinologists, nuclear medici
ne physicians and surgeons, in order to help physicians to optimize indicat
ions and practical implementation of this scintigraphy, which has contraint
s and pitfalls but is very informative.