Diagnostic ability of direct coronal turbo STIR imaging for detecting metastatic nodes in the neck
| Criteria for Metastatic Node | Level of Neck* | ||
|---|---|---|---|
| I | II | III | |
| Size cutoff point (mm) | |||
| ≥5 | 100/52/25/100 | 100/33/53/100 | 100/77/60/100 |
| ≥6 | 100/68/33/100 | 96/39/55/93 | 93/79/61/97 |
| ≥7 | 100/86/53/100 | 96/39/55/93 | 80/86/67/93 |
| ≥8 | 100/88/57/100 | 96/64/67/95 | 80/88/70/93 |
| ≥9 | 88/96/78/98 | 92/76/74/93 | 73/100/100/91 |
| ≥10 | 63/98/83/94 | 92/82/79/93 | 53/100/100/86 |
Note:—STIR indicates short τ inversion recovery; PPV, positive predictive value; NPV, negative predictive value.
* Values are expressed as percentages as follows: sensitivity/specificity/PPV/NPV. Bold data indicate compromised diagnostic ability at each level.