Vascular proliferation, angiectasis, perivascular lymphocyte infiltration, hemorrhage, necrosis, cystoid degeneration and calcification were seen frequently.
血管增生扩张、血管周围淋巴细胞浸润、出血、坏死、囊性变常见。
2
The hyperintense bands on T2 weighted images correspond to concentric bands of demyelination with gliosis and perivascular lymphocytic infiltration (5).