Adrenal Incidentaloma: The "Surprise" Adrenal Tumour Found by Accident. A Concise Overview. Wider application and technical improvement of abdominal imaging procedures in recent years, has led to the discovery of unsuspected adrenal tumours in an increasing frequency. These serendipitously detected lesions, also called adrenal incidentalomas, have become a common clinical problem and need to be investigated for evidence of hormonal hypersecretion and/or malignancy. Despite the flurry of data accumulated, controversies are still present regarding the accuracy of diagnostic tests and cut-offs utilized to establish hormonal hypersecretion, potential long-term sequelae, indications for surgical treatment as well as duration and intensity of conservative management and follow-up. Thus, an effort has been made in this Booklet to provide information on the Prevalence, Aetiology, Radiological features, and appropriate Biochemical evaluation are precisely discussed in order to delineate the nature and hormonal status of adrenal incidentalomas along with plenty of RLEVANT IMAGES and TABLES for better understanding. .. Dr. H. K. Saboowala. M.B.(Bom) .M.R.S.H.(London)