The lumbar approach was used in 26 operations (78.8%), antero-lateral extraperitoneal approach in 5 operations (15.2%) Complications, in general, occurred at 12.1% in which there were two cases of vena cava injury (6%), the rate of patients had been received blood transfusions was 18%; and 50% of patients with pheochromocytoma had hypertension crisis during the operation.
78,8% được mổ bằng đường lưng sau, đườmg trước bên sau phúc mạc trong 5 trường hợp. Tỉ lệ tai biến chung là 12,1% trong đo có 2 trường hợp rách tĩnh mạch chủ (6%); 18,2% phải truyền máu, 50% có cơn cao huyết áp khi mổ trong bướu tuỷ thượng thận.