TABLE I.

FDG Imaging Results in Cancer Patients With Adrenal Incidentaloma

Study	Number of patients	Method of assessment for malignancy	Sensitivity for malignancy	Specifcity for malignancy	Accuracy for malignancy	% malignant lesion	Mean SUVmax Benign	Mean SUVmax malignant
[32]	93	SUVmax >3.2	95.2%	81.3%	88%	35.9%	2.4	8.4
		Adr SUVmax/Liver SUVmax > 1.6	92.9%	86.7%	79.6%
		SUVmax>2.8 and <10% of pixels <0 HU	100%	97.3%	95.7%
[31]	81	SUVmax ≥ 4.2	88.6%	88.2%	88.5%	67.3%	3.0	8.8
		Adr SUVmax/Liver SUVavg > 1.68	90%	91.1%	90.4%
[35]	105	Visual ≥ liver	94%	83%	90%	61%	2.4	6.0–8.4
[37]	109	Visual >> Liver	97%	94%		45%	2.29	12.2
		Adr SUVmax/Liver SUVmax >1	100%	100%
[109]	96	Adr SUVavg/Liver SUVavg ≥1	83.3%	85.4%	85%	26.8%	1.9 a	7.2 a
[36] b	59	Visual>liver	75%	89%	86.4%	20%	4.2	9.2
		Adr SUVmax/Liver SUVavg ≥ 1.0	100%	95.7%	96.6%
[34]	74	Visual > Liver	93%	96%	95%	37.5%	2.6	5.5
		SUVmax > 3.4	95%	86%
[29]	150	SUVmax>3.1	98.5%	92%		39%	1.78	10.13
		SUVmax >3.1 or >10 HU	100%	98%
[30]	147c	SUVmax>3.1	97.3%	75.9%	84.2%	39%	3.0	10.4
		Adr SUVmax/Liver SUVavg >1	97.3%	65.5%	77.9%

Adr, adrenal; Liv, liver.

^aMean SUVavg values.

^bRecalculated from data provided in article.

^cLung cancer only.