Table 3. Types of intraparotid sonographic patterns, their prevalence and relation to clinical presentation.
| Ultrasound pattern | Totals | Ranking order of frequency | No swelling | Unilateral swelling | Bilateral swellings | |
| Normal | 5 | 9 | 5 | 0 | 0 | |
| Lymphocytic aggregations | Alone | 6 | 8 | 4 | 1 | 1 |
| + echogenic foci | 6 | 8 | 4 | 1 | 1 | |
| + lymphadenopathy | 28 | 3 | 12 | 1 | 15 | |
| Lymphoepithelial cysts | Alone | 14 | 7 | 1 | 4 | 9 |
| + echogenic foci | 22 | 4 | 2 | 6 | 14 | |
| + lymphadenopathy | 48 | 1 | 19 | 10 | 19 | |
| Fatty infiltration | Alone | 20 | 5 | 5 | 0 | 15 |
| + lymphadenopathy | 19 | 6 | 3 | 2 | 14 | |
| Lymphadenopathy only | 32 | 2 | 9 | 1 | 22 | |
| Total | 200 | 64 | 26 | 110 | ||
Lymphoepithelial cysts with lymphadenopathy is the most common category and is ranked number 1 in the “ranking order of frequency” column. The other patterns are ranked accordingly