Table 9. Imaging patterns in adrenal cortical imaging

Non-Visualization Bilateral Symmetrical Asymmetrical Uptake Uptake


Unilateral Uptake

Carcinoma Normal adrenals ACTH independent Adenoma

(late) nodular hyperplasia

Hypercholestero- ACTH dependent Remnants lemia bilateral hyperplasia Cushing's syndrome Conn's syndrome

Ectopic AcTH

Secondary hyperaldosteronism Dexamethasone suppressible aldosteronism

Figure 26. 131I-norcholesterol scan obtained 10 days post-injection. Bilateral adrenal uptake (arrows) is demonstrated, more so on the left in this patient with bilateral adrenal hyperplasia. Faint activity is seen in the liver (arrowheads).
0 0

Post a comment