Results of postoperative CT according to surgical results and outcome
| Patient | Postoperative CT | ||
|---|---|---|---|
| Day | Result* | Location of RD† | |
| 1 | 3 | TN | |
| 2 | 4 | TP | 5, 8 |
| 3 | 1 | FP | 13 |
| 4 | 5 | TN | |
| 5 | 5 | TP | 16 |
| 6 | 3 | TN | |
| 7 | 2 | TN | |
| 8 | 2 | TN | |
| 9 | 2 | TP | 2, 14 |
| 10 | 1 | TP | 8 |
| 11 | 2 | FN | 14 |
| 12 | 4 | TN | |
| 13 | 4 | TN | |
| 14 | 2 | TP | 14 |
| 15 | 5 | TN | |
| 16 | 1 | FP | 14 |
| 17 | 1 | TN | |
| 18 | 1 | TN | |
| 19 | 1 | TP | 6, 14 |
| 20 | 2 | FN | 14 |
* FN indicates false-negative; FP, false-positive; TN, true-negative; and TP, true-positive.
† RD locations are listed according to 18 locations of tumor extension; 1 is nasopharyngeal vault; 2, pterygopalatine fossa; 3, inferior orbital fissure; 4, orbital apex; 5, cavernous sinus (anterior); 6, infratemporal fossa; 7, temporal fossa; 8, interpterygoid fossa; 9, paratubal region; 10, foramen ovale and foramen rotondum; 11, cavernous sinus (lateral); 12, parapharyngeal space; 13, sphenoid sinus; 14, base of pterygoids and clivus; 15, cavernous sinus (medial); 16, foramen lacerum; 17, optic canal; and 18, anterior fossa.