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%) |