Table 1.

General morphologic tumor characteristics on CT

	Basal cell adenoma	Myoepithelioma	Warthin tumor	P
No. of cases	19	12	23
Size (cm), mean±SD	2.4±1.15 (0.9–4.3)	2.3±0.86 (1.1–3.6)	2.8±0.89 (1.8–4.5)	0.83
Location, n (%)				0.94
Superficial lobe	15 (78.9)	10 (83.3)	18 (78.3)
Deep lobe	4 (21.1)	2 (16.7)	5 (21.7)
Margin, n (%)				0.12
Well-defined	18 (94.7)	8 (66.7)	22 (95.7)
Microlobulated	1 (5.3)	3 (25)	1 (4.3)
Ill-defined	0 (0)	1 (8.3)	0 (0)
Cystic change, n (%)				0.26
Yes	9 (47.4)	6 (50)	7 (30.4)
No	10 (52.6)	6 (50)	16 (69.6)
Calcification, n (%)				0.75
Yes	2 (10.5)	1 (8.3)	1 (4.3)
No	17 (89.5)	11 (91.7)	22 (95.7)

SD, standard deviation.