Figure 49

Normal and abnormal adrenal isotopic scans. A, Normal scan. Increased bilateral uptake of I131-labeled iodo-cholesterol of normal adrenal tissue is shown above the indicated renal outlines.

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Test

Sensitivity, %

Specificity, %

Adrenal computed tomographic scan

=50

=60

Adrenal isotopic scan

=50

=65

Adrenal venography

=70

=80

Adrenal magnetic resonance imaging

?

?

Adrenal venous blood sampling with

>92

>95

adrenocorticotropic hormone infusion

0 0

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