Pathologic Diagnosis

Frequency

Percentage

Functional Tumors

75

41%

Pheochromocytoma

33

18%

Adrenal adenoma, cortisol-producing

20

11%

Adrenal adenoma, aldosterone-producing

19

10%

Adrenal cortical hyperplasia, cortisol-producing

3

2%

Non-Functional Tumors

109

59%

Adrenal adenoma, nonfunctional

38

21%

Adrenal cortical hyperplasia

19

10%

Metastasis, other than renal cell carcinoma

13

7%

Benign cyst

10

5%

Myelolipoma

8

4%

Metastasis, renal cell carcinoma

6

3%

Ganglioneuroma

5

3%

Pseudocyst

5

3%

Adrenal cortical carcinoma

4

2%

Hematoma

1

1%

Total

184

100%