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. 2016 Nov;37(11):2010–2018. doi: 10.3174/ajnr.A4867

Fig 3.

Fig 3.

MR images in a 68-year-old man with diffuse large B-cell PCNSL, belonging to the PD group (A1, A2, A3, before therapy; B1, B2, B3, after 1 cycle of chemotherapy; C1, C2, C3, after 5 cycles of chemotherapy). An apparent enhanced tumor on the left basal ganglia region (A1). On the DWI, the tumor is apparent hyperintense (A2, B2, C2). The baseline ADCmin of the tumor was 554 × 10−6 mm2/s (A3). After 1 cycle of chemotherapy, the size of tumor has decreased slightly (B1, B2). However, the ADCmin of the tumor has not increased but decreased to 536 × 10−6 mm2/s (B3). After 5 cycles of chemotherapy, the size of tumor (C1) has increased compared with A1 and B1 and the ADCmin of the tumor continued to decrease to 478 × 10−6 mm2/s (C2, C3).