Laparoscopic Adrenalectomy: Review of 14 Cases and Comparison with Open Adrenalectomy

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Abstract
We reviewed 14 cases of laparoscopic adrenalectomy and compared the results with those of a recent series of 15 consecutive patients undergoing a traditional open adrenalectomy for a benign tumor. The laparoscopic adrenalectomy group included nine patients with primary aldosteronism, three with Cushing's syndrome, one with pheochromocytoma, and one with a nonfunctioning incidentaloma. In the patient with pheochromocytoma, a good operative field was safely obtained by a combination of pneumoperitoneum at less than 6 mm Hg insufflation pressure and the abdominal wall-lift method. In both groups, the tumors were removed successfully in all cases. Laparoscopic adrenalectomy, which required neither a large skin and muscle incision nor any resection of the ribs, offered a lower morbidity and earlier recovery in spite of the longer operation time. The most important complication observed in laparoscopic adrenalectomy was that of pneumothorax secondary to an injury of the diaphragm and pleura during the dissection of the left adrenal gland using electrocautery. However, the injury wound was small, and the pneumothorax was resolved by suturing the tear under laparoscopy. These results suggest that laparoscopic adrenalectomy is a minimally invasive alternative to traditional open adrenalectomy and thus has the potential soon to become a standard procedure for the treatment of benign adrenal tumors.