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Summary Background Data Minimally invasive adrenalectomy has become the procedure of choice for benign adrenal pathology. Although the adrenal glands are located in the retroperitoneum, most surgeons prefer the transperitoneal laparoscopic approach to adrenal tumors.

Methods Clinical characteristics and outcomes of 111 ERAs from January 1994 to December 1999 were evaluated.

Results Ninety-five patients underwent 111 ERAs (79 unilateral, 16 bilateral). Indications were Cushing syndrome (n= 22), Cushing disease (n= 8), ectopic adrenocorticotropic hormone syndrome (n= 6), Conn’s adenoma (n= 25), pheochromocytoma (n= 19), incidentaloma (n= 11), and other (n= 4). Tumor size varied from 0.1 to 8 cm. Median age was 50 years. Unilateral ERA required 114 minutes, with median blood loss of 65 mL. Bilateral ERA lasted 214 minutes, with median blood loss of 121 mL. The conversion rate to open …