Table 1. . Patient characteristics and treatment.

Study	Country	Study date	Age (years)	Gender	Symptoms	Incidentaloma	Pre-op diagnosis confirmed	Primary treatment	Radiotherapy	Chemotherapy	Follow-up (months)	Recurrence	Ref.
Kahara et al.	Japan	2001	52	Male	Nil	Yes	No	Laparoscopic adrenalectomy	40 Gy	Yes	12	No	[28]
Asahi et al.	Japan	2001	52	Male	Nil	Yes	No	Laparoscopic adrenalectomy	Yes	Yes	NP	?	[29]
Fujikata et al.	Japan	2002	77	Male	Right back pain	No	No	Open adrenalectomy, nephrectomy, IVC resection, right hepatic lobectomy and cholecystectomy	45 Gy	No	12	No	[11]
Rogers et al.	America	2004	75	Female	R abdo pain and fatigue	Yes – CT done for microscopic haematuria	No	Laparoscopic adrenalectomy	Yes	No	NP	?	[30]
Li et al.	China	2007	64	Female	Back pain	No	No	Open adrenalectomy (bilateral)	No	No	NP	?	[5]
Ahmed et al.	Saudi Arabia	2009	47	Male	R hip pain/synovitis	Yes	Yes (FNB and core)	Chemo and autologous stem cell transplant	No	Yes	47	No	[14]
Antona et al.	Spain	2011	76	Female	?	?	No	Adrenalectomy	Yes	No	40	No	[31]
Cao et al.	China	2014	26	Male	Right flank pain	No	No	Retroperitoneal laparoscopic adrenalectomy	No	No	72	No	[1]
Townend/Graus	Australia	2016	57	Male	Abdominal cramping	Yes	Yes	Open adrenalectomy (bilateral)	No	No	NP	?	Current paper