Table 1.
Results of PET/CT imaging and SLN procedure
| Patient | Tumour | Clinical staging | Neck dissection levels dissected | Amount of 89Zr-nanocoll injected (MBq) | Number and level of the neck of SLN identified by PET/CT | Number and level of the neck of SLN intraoperatively detected by high-energy gamma probe | PA SLN | Final PA |
|---|---|---|---|---|---|---|---|---|
| 1 | Tongue L | T2N0 | I–IV L | 9 | 1 × IA L 1 × IB L 1 × III L 1 × III R |
1 × IA L 1 × IB L 1 × III L 1 × III R |
+ − − |
T1N2b |
| 2 | Tongue R | T2N0 | I–IV R | 1 | 1× II R 1 × III R |
n.d. n.d. |
T2N2b | |
| 3 | FOM L | T2N0 | I–III L+R | 2.4 | 2 × II/III L | 1 × II L 2 × III L |
− − |
T1N0 |
| 4 | Buccal mucosa L | T2N1 | I–IV L | 9 | 1 × II L | 1 × II L | + | T2N2b |
| 5 | FOM R | T2N0 | I–III L+R | 8 | 1 × IB R 2 × II R 1 × III R |
1 × IB R 2 × II R n.d. |
− − |
T1N0 |
R right side, L left side, SLN sentinel lymph node, FOM floor of mouth, PA histopathological result, n.d. not detected; + positive, − negative
As assessed by handheld high-energy gamma probe