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. 2010 Oct;39(7):389–399. doi: 10.1259/dmfr/23992216

Table 4. Characteristics of lymphoepithelial cysts and lymphocytic aggregations.

Lymphoepithelial cysts (n = 84) Lymphocytic aggregations (n = 40)
Prevalence (%) (out of 200) 42 20
Number of lesions in each affected gland < 10 17 (20%) 1 (2%)
≥ 10 67 (80%) 39 (98%)
Size of lesions (mm) Mean (range) 10 (2–75) 3 (1–7)
< 5 mm 28 (33%) 38 (95%)
5–10 mm 44 (52%) 2 (5%)
> 10 mm 12 (14%) 0
Mobile echoes/echogenic foci (%) 22 (26%) 6 (15%)