Table 1 Demographic, tumor and imaging characteristics and follow up.
From: MRI and PET/CT in the assessment of lymph node metastases in head and neck cancer
n = 120 | Female | Male | Overall |
|---|---|---|---|
Age in years | 63.7 (± 15.1) | 60.5 (± 9.3) | 61.3 (± 11.1) |
Sex | 29 (25.4%) | 85 (74.6%) | 114 |
Diagnosis | 114 (100%) | ||
Squamous cell carcinoma | 25 (86.2%) | 77 (90.6%) | 102 (89.5%) |
Cancer of unknown primary | 0 (0%) | 4 (4.7%) | 4 (3.5%) |
Others | 4 (13.8%) | 4 (4.7%) | 8 (7.0%) |
Tumor stage | 108 (100%) | ||
Stage I | 12 (41.4%) | 16 (20.3%) | 28 (25.9%) |
Stage II | 3 (10.3%) | 18 (22.8%) | 21 (19.4%) |
Stage III | 8 (27.6%) | 17 (21.5%) | 25 (23.1%) |
Stage IVa | 6 (20.7%) | 25 (31.6%) | 31 (28.7%) |
Stage IVb | 0 (0%) | 3 (3.8%) | 3 (2.8%) |
Stage IVc | 0 (0%) | 0 (0%) | 0 (0%) |
Elevated risk of LNM in histology of primary site | 108 (100%) | ||
No | 13 (43.3%) | 29 (37.2%) | 42 (38.9%) |
Yes | 17 (56.7%) | 49 (62.8%) | 66 (61.1%) |
Lymph node involvement | 114 (100%) | ||
No | 15 (51.7%) | 48 (56.5%) | 63 (55.3%) |
Yes | 14 (48.3%) | 37 (43.5%) | 51 (44.7%) |
Staging | 114 (100%) | ||
Primary | 27 (93.1%) | 79 (92.9%) | 106 (93.0%) |
Secondary | 2 (6.9%) | 6 (7.1%) | 8 (7.0%) |
Additional finding PET/CT | 114 (100%) | ||
No | 21 (72.4%) | 64 (75.3%) | 85 (74.6%) |
Yes | 8 (27.6%) | 21 (24.7%) | 29 (25.4%) |
Surgery | 114 (100%) | ||
ND bilateral | 16 (55.1%) | 32 (37.7%) | 48 (42.1%) |
ND unilateral | 12 (41.3%) | 48 (56.4%) | 60 (52.6%) |
Lymph node resection | 1 (3.4%) | 5 (5.9%) | 6 (5.3%) |
Time MRI to surgery (d) | 22.6 (± 19.7) | 23.0 (± 18.5) | 22.9 (± 18.7) |
Time PET/CT to surgery (d) | 19.6 (± 16.6) | 22.3 (± 21.0) | 21.7 (± 19.9) |
Metastasis follow up (1 y) | 101 (100%) | ||
No | 24 (88.9%) | 71 (95.5%) | 95 (94.1%) |
Yes | 3 (11.1%) | 3 (4.1%) | 6 (5.9%) |
Duration of follow up (m) | 55.0 (± 39.7) | 57.1 (± 34.2) | 55.6 (± 35.6) |
