Are pheochromocytomas easy to find?

Pheochromocytomas are rare catecholamine-producing tumours that arise from the adrenal medulla.They can manifest with paroxysmal hypertension, headache, palpitations, and sweating.Advanced imaging modalities are key for accurate localization.The case is presented of a 66-year-old male admitted in 2018 and diagnosed with a retroperitoneal pheochromocytoma, due to poor physical activity tolerance and resistant hypertension.Abdominal ultrasonography revealed an cystic lesion beneath the right adrenal gland.Hormonal evaluation confirmed elevated plasma methoxy-catecholamines.Due to the unusual location of the tumour, multiple CT scans were required to confirm the diagnosis.The patient underwent pre-operative alpha-blockade therapy to manage catecholamine secretion, followed by successful surgical resection.Retroperitoneal pheochromocytomas are exceptionally rare and diagnostically challenging.Complete imaging and biochemical evaluation are essential for accurate diagnosis.