Table 4.

Neuroimaging findings of 10 patients with Primary CNS Post-Transplant Lymphoproliferative Disorder.

Findings
Number of lesions	No, patients (n=10)
Solitary	3
Multiple	7
Lesion location	No. patients (n=10)
Supratentorial alone	8
Infratentorial alone	1
Both supra- and infratentorial	1
Meningeal disease	No. patients (n=5)†
Significant	1
Minor	4
Hemorrhage/hemosiderin‡	No. patients (n=10)
Significant	2
Petechial	3
Ependymal contact‡	No. patients (n=10)
Yes	4
No	6
Lesion enhancement (n=8)*	No. patients (n=10)†
Ring pattern	9
Incomplete ring	1
Specific lesion location	No. lesions (n=37)
Lobar	15
Basal ganglia	3
Periventicular	11
Corpus callosum/choroid plexus	1
Thalamic	4
Cerebellum/brain stem	3

^†Only 9 patients received contrast, meningeal involvement and enhancement could not be assessed in the patient who did not receive contrast.

^‡Identified in at least one of the lesions.

^*The enhancement characteristics are based on the dominant mass.