Labels:text | screenshot | black | black and white OCR: 15 Whole-body venous sampling for AC. spected occasionally of value in a patient with source ectopic ACTH secretion, highlighting th CT (Fig. 8.19). Though largely supplanted b the study scanning, catheterisation is still useful of a peripheral ACTH- secreting or adre xists as to ormality cortisol-secretory tumour where doubt the hormonal activity of a structural ab