Objective:

To provide updated recommendations to urologists and health-care providers faced to diagnosis and treatment of adrenal incidentaloma.

Methods:

Through adoption of the adrenal incidentaloma guideline from European Endocrinology Society (AGREE-II and AGREE-REX), and complementary search of literature based on available high-quality scientific evidence for definition, diagnosis, surgical management and follow-up. Additionally, this guideline covers bilateral adrenal incidentalomas and pregnant women.

Results:

Adrenal incidentaloma is defined as a lesion greater than 1 cm localized in adrenal gland, detected by imaging studies which are requested for another different reason than an adrenal pathology suspicion. A great majority are non-functional adenomas, without life-threatening risk nor additional treatment necessity. However, there are tumoral lesions that demand appropriate management like adrenocortical carcinoma, pheochromocytoma, hormone-producing adenoma, or metastasis.

Conclusions:

Adrenal incidentalomas predominantly are benign masses that do not require adrenalectomy (specially in asymptomatic, unilateral, non-functioning adrenal mass), nevertheless, must be exclude other harmful pathologies. Emphatically, surgical treatment must be indicated by malignant probability, hormonal-secreting status, age, health condition, and patient's preference.

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