Clinical Study

Adrenal Incidentalomas: Should We Operate on Small Tumors in the Era of Laparoscopy?

Table 2

Histological types of removed lesions.

Histological typeGroup 1Group 2 value

BenignCortical adenoma50 (91%)42 (76.4%)68 (88.3%)43 (55.8%)0.72
Adrenal cyst3 (5.4%)12 (15.6%)
Angiomyolipoma2 (3.6%)9 (11.7%)
Cavernous haemangioma1 (1.8%)0 (0%)
Schwannoma1 (1.8%)2 (2.6%)
Ganglioneuroma1 (1.8%)2 (2.6%)

Potentially malignantPheochromocytoma4 (7.2%)2 (3.6%)3 (3.9%)3 (3.9%)0.39
Oncocytic adrenal adenoma2 (3.6%)0 (0%)

MalignantAdrenal cortex cancer1 (1.8%)1 (1.8%)6 (7.8%)5 (6.5%)0.13
Primary neuroectodermal tumor0 (0%)1 (1.3%)