Table 1 Patient characteristics, preoperative and intraoperative findings, and pathology
Preoperative findings | Intraoperative findings | Pathology | ||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Age | Clinical T-stage | Tumor location | Administered dose (MBq) | No. of SNs on lymphoscintigrams | No. of SNs on SPECT/CT | Location SNs | Total no. of removed SNs | Fluorescent SNs | Radioactive SNs | Total no. of SNs | No. tumor-positive nodes | |||
In vivo | Ex vivo | In vivo | Ex vivo | |||||||||||
1 | 60 | T2a | Right cheek | 82.0 | 0 | 4 | Parotid gland (2×), level I (2×) | 4 | 3 | 4 | 4 | 4 | 4 | 0 |
2 | 74 | T2b | Left cheek | 84.9 | 3 | 3 | Parotid gland, level II, level V | 4 | 4 | 4 | 4 | 4 | 6 | 0 |
3 | 67 | – | Right eyelid | 84.4 | 1 | 1 | Parotid gland | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
4 | 52 | T3b | Right cheek | 78.2 | 1 | 1 | Level V | 1 | 1 | 1 | 1 | 1 | 1 | 0 |
5 | 59 | T4b | Left occipital region | 90.2 | 1 | 1 | Level V | 1 | 1 | 1 | 1 | 1 | 1 | 1 |
6 | 63 | T3a | Right occipital region | 101.4 | 0 | 1 | Level II | 3 | 3 | 3 | 3 | 3 | 4 | 0 |
7 | 66 | T2a | Vertex | 75.5 | 2 | 2 | Level II (2×) | 3 | 3 | 3 | 3 | 3 | 4 | 0 |
8 | 43 | T3a | Left ear | 90.1 | 2 | 2 | Parotid gland, level II | 3a | 3 | 3 | 3 | 3 | 3 | 1 |
Average | 60.5 | 85.8 | 1.25 | 1.9 | 2.5 | 2.4 | 2.5 | 2.5 | 2.5 | 3 | ||||
Total | 10 | 15 | 20 | 19 | 20 | 20 | 20 | 24 | 2 | |||||