The book presents an in-depth exploration of adrenal anatomy, physiology, and pathology, authored by a multidisciplinary team of international experts, providing an exposition of the current state of knowledge in the field of adrenal diseases and offering insights into the evolution of their management. The addressed pathologies are intricate and diverse, encompassing conditions such as Cushing’s disease, primary aldosteronism, pheochromocytoma, and congenital adrenal hyperplasia. Each pathology chapter delves into etiopathogenic aspects, clinical evidence, and therapeutic recommendations. This publication caters equally to endocrinologists and professionals from various medical disciplines, serving as a valuable resource for information on the adrenal gland from both a physiological and pathological perspective.