Patient No. | Cause | SC (mm) | CT Defect (mm) | Endo Defect (mm) | Accurate (± 2 mm) | Discrepancy (mm, Over/Under) |
---|---|---|---|---|---|---|
1 | SP | 1.2 | R eth (6) | R eth (5) | Y | − |
L eth (6) | − | − | − | |||
2 | S | 0.6 | L eth (6) | L eth (6) | Y | − |
3 | SP | 1.2 | R sph (3) | − | − | − |
L eth (3) | − | − | − | |||
4 | SP | 1.2 | R fr p wall (13) | R fr p wall (15) | Y | − |
5 | SP | 0.6 | L sph (6) | L sph (6) | Y | − |
6 | S | 0.6 | R eth (5) | R eth (2) | N | 3 over |
7 | S | 0.6 | Rt sph (3) | R sph (3) | Y | − |
8 | S | 0.6 | L eth (9) | L eth (10) | Y | − |
9 | S | 1.2 | L crib (7) | L crib (7) | Y | − |
10 | S | 1.2 | L sph (7) | L sph (14) | N | 7 under |
R sph (3) | R sph (2) | Y | − | |||
− | R sph (2) | − | − | |||
11 | SP | 1.2 | L crib (12) | L crib (10) | Y | − |
12 | SP | 0.6 | R crib (5) | R crib (4) | Y | − |
− | R crib (3) | − | − | |||
13 | SP | 0.6 | L sph (2) | L sph (2) | Y | − |
14 | T | 0.6 | L eth (11) | L eth (10) | Y | − |
L fr p wall (3) | L fr p wall (3) | Y | − | |||
15 | S | 0.6 | R eth (6) | R eth (3) | N | 3 over |
16 | S | 1.2 | R eth (18) | R eth (5) | N | 13 over |
17 | SP | 0.6 | R fr p wall (6) | R fr p wall (8) | Y | − |
18 | I | 1.2 | L crib (8) | L crib (3) | N | 5 over |
19 | S | 1.2 | L sph (5) | L sph (4) | Y | − |
Note:—Endo indicates endoscopy; SP, spontaneous; S, surgical; T, traumatic; I, iatrogenic (other); p, posterior; eth, ethmoid; sph, sphenoid; fr, frontal; crib, cribriform; SC, slice collimation; L, left; R, right.