Table 3 Imaging characteristics of the axillary lymph nodes (ALNs) in patients with high and low nodal burden
Characteristics | Low nodal burden | High nodal burden | P value |
|---|---|---|---|
Ultrasound (n = 312) | |||
Number of suspicious ALNs | <.001 | ||
0–1 | 282 (96.9%) | 9 (3.1%) | |
2 | 8 (61.5%) | 5 (38.5%) | |
≥ 3 | 3 (37.5%) | 5 (62.5%) | |
Cortical morphologic changesa | <.001 | ||
Grade 1 | 192 (98.5%) | 3 (1.5%) | |
Grade 2 | 91 (91.9%) | 8 (8.1%) | |
Grade 3 | 10 (55.6%) | 8 (44.4%) | |
SD | .009 | ||
< 5 mm | 151 (96.2%) | 6 (3.8%) | |
5–10 mm | 137 (93.2%) | 10 (6.8%) | |
> 10 mm | 5 (62.5%) | 3 (37.5%) | |
LD | .350 | ||
< 10 mm | 69 (90.8%) | 7 (9.2%) | |
10–15 mm | 121 (95.3%) | 6 (4.7%) | |
> 15 mm | 103 (94.5%) | 6 (5.5%) | |
MRI (n = 256) | |||
Number of suspicious ALNs | <.001 | ||
0–1 | 221 (98.2%) | 4 (1.8%) | |
2 | 11 (61.1%) | 7 (38.9%) | |
≥ 3 | 7 (53.8%) | 6 (46.2%) | |
Cortical morphologic changesa | <.001 | ||
Grade 1 | 130 (97.7%) | 3 (2.3%) | |
Grade 2 | 84 (93.3%) | 6 (6.7%) | |
Grade 3 | 25 (75.8%) | 8 (24.2%) | |
SD | .025 | ||
< 5 mm | 94 (95.9%) | 4 (4.1%) | |
5–10 mm | 131 (93.6%) | 9 (6.4%) | |
> 10 mm | 14 (77.8%) | 4 (22.2%) | |
LD | .036 | ||
< 10 mm | 110 (96.5%) | 4 (3.5%) | |
10–15 mm | 86 (92.5%) | 7 (7.5%) | |
> 15 mm | 43 (87.8%) | 6 (12.2%) | |