Table 1:

Susceptibility effect on gradient recalled-echo MR images and clinical thrombus age

Clinical Thrombus AgeSE+ n (%)SE− n (%)Total
0–7 days29 (80.5%)3 (11.5%)32
8–14 days1 (2.8%)10 (38.5%)11
>15 days6 (16.7%)13 (50%)19
Total362662
  • Note:—SE+ indicates susceptibility effect present; SE−, susceptibility effect absent. Accurate time from onset of symptoms to initial imaging (clinical thrombus age) was available in 16 patients (62 thrombosed venous segments).