Patient Characteristics, Diagnostic and Therapeutic Procedures, and Histopathology of Lymph Nodes
| Patient no. | US and FNA cytology (side) | Clinical stage | Pathologic stage | Pathology LN (no. of Pathologic LN) | LN positive on PET* (no. of LN indicated) | LN positive on PET† (no. and side of LN indicated) | ||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Site | CT | MRI | Procedure | L | R | L | R | |||||
| 1 | Maxillary sinus | POS (L) | NP | POS | T4N1M0 | pT4pN1M0 | TE + MRND, L | POS (1) | NA | 1 | NA | 1, R |
| 2 | Laryngeal | NP | NEG | NP | T3N0M0 | pT3pN0M0 | TLE + bilateral NS | NEG | NEG | 1 | 1 | 2, R |
| 3 | Laryngeal | NP | POS | NP | T4N2cM0 | pT4pN2cM0 | TLE + bilateral RND | POS (7) | POS (5) | 2 | 2 | 1, R |
| 4 | Lower alveolar ridge | NEG (L) | NEG | NP | T4N2bM0 | pT4pN0M0 | TE + MRND, R | NA | NEG | NA | 2 | 2, L |
| 5 | Floor of mouth | NR | NP | NP | T2N0M0 | pT2pN0M0 | TE + bilateral SND | NEG | NEG | NEG | NEG | — |
| 6 | Tongue | NEG (R) | NP | NP | T3N0M0 | pT2pN0M0 | TE + SND, R | NA | NEG | — | 5 | — |
| 7 | Soft palate | NP | NP | NP | T2N0M0 | pT2pN0M0 | TE + SND, L | NEG | NA | NEG | NA | 1, R |
| 8 | Tongue | NP | NP | NEG | T3N0M0 | pT3pN1M0 | TE + SND, R | NA | POS (1) | — | 1 | 1, R |
| 9 | Tongue/floor of mouth | NEG (L) | NP | NEG | T4N0M0 | pT2pN0M0 | TE + SND, L | NEG | NA | 3 | NA | 2, R |
| 10 | Tongue/floor of mouth | NEG (L) | NP | NEG | T2N0M0 | pT2pN0M0 | TE + SND, L | NEG | NA | 2 | — | — |
↵* Available for pathologic assessment.
↵† Not available for pathologic assessment.
LN = lymph node; FNA = fine-needle aspiration; NP = not performed; POS = positive; TE = tumor excision; MRND = modified radical neck dissection; NA = not available; NEG = negative; TLE = total laryngectomy; NS = node sampling; RND = radical neck dissection; NR = not representative; SND = selective neck dissection (level I–III).