Figure 6. Macroscopic and CT-scan findings in primary pigmented nodular adrenocortical disease (PPNAD). A: Macroscopic appearance of the adrenal gland where multiple pigmented micronodules are evident at the cut surface. B: Adrenal CT scan revealed a micronodule on the external limb of the left adrenal (see red arrow). Copyright © 2006 Bertherat; licensee BioMed Central Ltd.