Labels:text | screenshot | black | black and white OCR: ng the Adrenaline is particularly useful in ma. diagnosis in patients with small adrenal that phaeochromocytomas since the enzyme converts noradrenaline to adrenaline is glucocorticoid dependent; hence, with th medulla iscentripetal blood flow in the adrenal, the exposed to high levels of cortisol. jeen diagnosis A variety of pharmacological tests have developed in an attempt to improve the Vith of patients with phaeochromocytomas. ever, these advances in biochemical diagnosis, how have nearly all been discarded.