Table 1:

ADC map analysis of salivary gland tumors

Diagnosis	No. of Patients	ADCs (× 10⁻³ mm²/s)
Diagnosis	No. of Patients	Extremely Low	Low	Intermediate	High
Benign	22	23 ± 26	13 ± 11	33 ± 21	30 ± 23^*
Pleomorphic adenoma	11	0	1	45	54
Warthin tumor	10	50	22	20	8
Papillary cystadenoma	1	0	9	64	28
Malignant	9	36 ± 41	41 ± 32	20 ± 19	4 ± 8^*
Mucoepidermoid carcinoma	2	9	77	14	0
Adenoid cystic carcinoma	2	11	74	13	3
Salivary duct carcinoma	1	10	64	26	0
Adenocarcinoma	1	24	42	32	3
Lymphoma	2	98	2	0	0
Carcinoma ex pleomorphic adenoma	1	5	35	38	22

Note:—ADC indicates apparent diffusion coefficient.
Data are proportions of each of the areas having an indicated ADC level relative to the maximum tumor area on ADC maps and are expressed as means or means ± S.E.
* Statistically significant (P < 0.001, Mann-Whitney U test).