Table 4 Imaging characteristics of inflammatory pseudotumor-like follicular dendritic cell sarcomas in the liver and spleen
Liver | Spleen | P value | |
|---|---|---|---|
Diameter (cm) | 3.6 ± 1.1 | 5.2 ± 2.6 | 0.12 |
Density | 1.0 | ||
Iso | 0 (0%) | 1 (14%) | |
Hypo | 3 (100%) | 6 (86%) | |
T1 signal intensity | 0.045* | ||
Hypo | 3 (100%) | 2 (22%) | |
Hyper | 0 (0%) | 7 (78%) | |
T2 signal intensity | 0.045* | ||
Hypo | 0 (0%) | 7 (78%) | |
Hyper | 3 (100%) | 2 (22%) | |
Enhancement pattern | 0.033* | ||
Significantly enhanced | 3 | 1 | |
Mildly enhanced | 1 | 10 | |
Pseudocapsule | 2/3 (66%) | 7/9 (78%) | 0.637 |
Necrosis | 1/4 (25%) | 4/11 (36%) | 0.462 |
“Halo sign” | 2/3 (67%) | 0/9 (0%) | 0.045* |