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. 2012 Nov 28;2013:871959. doi: 10.5402/2013/871959

Table 1.

NIH guideline [10].

NIH 2002
Functional adrenal incidentaloma (hormonal hypersecretion) Surgical resection or medical treatment
Nonfunctional adrenal incidentaloma >6 cm: surgical resection
4–6 cm: resection or followup
Nonfunctional adrenal incidentaloma < 4 cm No surgical resection, no recommendations about followup
Adrenal incidentaloma suspicious for metastasis No benefit from resection