Laparoscopic large adrenal mass resection: why we should be more careful?

Abstract Background Pheochromocytoma is a rare tumor originating from the adrenal medulla, and surgical removal main treatment. We report case of large size pheochromocytoma that was removed laparoscopically without preoperative blockade alfa adrenergic receptors. Case presentation A 58-y-old woman referred to our center with incidentally found 7 cm right mass. She did not have any history hypercatecholamine state, 24 h urine test for catecholamine metabolites in normal range; we thought there no need blockade. scheduled laparoscopic mass resection, during operation, significant bleeding major hypertension or hypotension crisis. The final pathology pheochromocytoma. Conclusion As release may be periodic inconsistent, should repeated especially tumors.