Pheochromocytomas are neuroendocrine tumors that produce, store, and secrete catecholamines. They are found in the chromaffin tissue of the adrenal medulla and manifest clinical symptoms by producing an excessive amount of one or more catecholamines, such as dopamine, adrenaline, and noradrenaline, as well as their inactive metabolites, such as metanephrine, normetanephrine, and 3-methoxytyramine. This paper is the case report of a 53-year-old male patient with diabetes and hypertension who has been experiencing symptoms such as night sweats, frequent colds, weight loss, reduced appetite, and generalized anxiety. The patient presented with pelvic pain and sought medical attention, leading to an abdominal MRI scan that revealed a right adrenal mass. The patient's plasma metanephrine levels were found to be four-fold higher than the normal range. A contrast CT scan of the abdomen and pelvis revealed a right adrenal gland with increased dimensions and well-defined edges. A diagnosis of right adrenal pheochromocytoma was made. The patient underwent a right laparoscopic adrenalectomy, which resulted in a reduction in metanephrine levels and normal blood pressure readings. The patient presented a favorable clinical evolution in the post-surgical period, for which it was decided to be discharged home.
Keywords: adrenal pheochromocytoma; adrenal surgery; endocrine neoplasms; hypertension and pheochromocytoma; neuroendocrine neoplasm.
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