Patient Characteristics | Value (SD) |
---|---|
Mean age (yr) | 61.5 (11.1) |
Age range (yr) | 29–81 |
Male/female ratio | 23:17 |
Pathology | |
Primary CNS large B-cell lymphoma | 40 |
Prior WBRT | 5 |
Median follow-up (yr)a | 3.01 |
Total baseline MR imaging | 33 |
Total baseline CT | 7 |
Total follow-up MR imaging | 254 |
Total follow-up CT | 10 |
Mean number of MR images per patient | 7.60 (3.49) |
Mean number of lesions on baseline MR image | 2.33 (1.14) |
Disease location | |
Superficial | 16 |
Deep | 15 |
Mixed | 9 |
Particular disease distribution | |
Midline crossing lesion | 10 |
Multifocal, bilateral lesions | 16 |
Induction responsea | 22 |
Relapse after inductiona | 12 |
Note:—WBRT indicates whole brain radiotherapy; SD, standard deviation.
↵a One patient was lost to follow-up, and 5 stopped their treatment for palliative care and were not included in this analysis.