2.

191例肾上腺意外瘤患者临床特征

Clinical characteristics of 191 patients with adrenal incidentalomas

Characteristics	Incidentaloma
Demographics
Mean age (year)	50.8 (14.0)
Male (n, %)	121 (63)
Mass size (cm)	2.4 (2.5)
Diagnosis based on imaging (n, %)
Adenoma	147 (70.3)
Pheochromocytoma	24 (11.5)
Cyst	13 (6.2)
Myelolipoma	8 (3.8)
Carcinoma	5 (2.4)
Metastasis	1 (0.5)
Other	11 (5.3)
Findings of hormonal test (n, %)
Nonfunctioning	34 (44.7)
Pheochromocytoma	17 (22.4)
Primary aldosteronism	7 (9.2)
Subclinical Cushing's syndrome	5 (6.6)
Indeterminate	13 (17.1)