Table 3.
Internal Lymphedema through the Patterson Scale
| Patterson scale sites and spaces | N | None n (%) | Mild n (%) | Moderate n (%) | Severe n (%) | Combined moderate–severe n (%) |
|---|---|---|---|---|---|---|
| Base of tongue | 56 | 31 (55.4) | 15 (26.8) | 9 (16.1) | 1 (1.8) | 10 (17.9) |
| Posterior pharyngeal wall | 57 | 33 (57.9) | 21 (36.8) | 3 (5.3) | 0 (0.0) | 3 (5.3) |
| Epiglottis | 54 | 29 (53.7) | 13 (24.1) | 12 (22.2) | 0 (0.0) | 12 (22.2) |
| Pharyngoepiglottic folds | 53 | 28 (52.8) | 15 (28.3) | 10 (18.9) | 0 (0.0) | 10 (18.9) |
| Aryepiglottic folds | 53 | 25 (47.2) | 16 (30.2) | 12 (22.6) | 0 (0.0) | 12 (22.6) |
| Interarytenoid space | 54 | 22 (40.7) | 19 (35.2) | 11 (20.4) | 2 (3.7) | 13 (24.1) |
| Cricopharyngeal prominence | 44 | 24 (54.5) | 14 (31.8) | 5 (11.4) | 1 (2.3) | 6 (13.7) |
| Arytenoids | 55 | 26 (47.3) | 19 (34.5) | 10 (18.2) | 0 (0.0) | 10 (18.2) |
| False vocal folds | 54 | 30 (55.6) | 20 (37.0) | 4 (7.4) | 0 (0.0) | 4 (7.4) |
| True vocal folds | 54 | 42 (77.8) | 11 (20.4) | 0 (0.0) | 1 (1.9) | 1 (1.9) |
| Anterior commissure | 54 | 47 (87.0) | 5 (9.3) | 2 (3.7) | 0 (0.0) | 2 (3.7) |
| Valleculae | 55 | 30 (54.5) | 19 (34.5) | 6 (10.9) | 0 (0.0) | 6 (10.9) |
| Pyriform sinus | 56 | 30 (53.6) | 19 (33.9) | 5 (8.9) | 2 (3.6) | 7 (12.5) |