Summary of the most commonly used methods for determining clot histology and predicted treatment response on NCCT, CTA, and MR imaginga
| Measurement Method | Histologic Correlation | Favorable Therapeutic Response | |
|---|---|---|---|
| NCCT | HU | ↑ HU = ↑ RBC, ↓ fibrin/platelets | ↑ HU |
| CTA | TAI | Conflicting data | ↑ TAI |
| MR imaging | SVS | SVS = ↑ RBC, ↓ fibrin/platelets | + SVS |
Note:—HU indicates Hounsfield unit.
↵a Up and down arrows denote greater or lesser values (HU or TAI) and relative histologic composition. The plus sign denotes the presence of an imaging sign (ie, SVS).