Fig. 2:

A 39-year-old male with fibroblastic meningioma (WHO grade I). a-c The mass was located in the left frontal, it exhibiting isointense on T₁WI, hyperintense on T₂WI and heterogeneous enhancement, d On APTw image, the mass exhibiting heterogeneous signal and the tumor identified approximately equal as on the Gd-T₁weighted images, the APTw_max= 3.18%, APTw_min= 2.06% APTw_max-min= 1.12%, APTw_mean= 2.63%. The part rich in psammoma body showed hypointense on T₁WI and T₂WI, and isointense on APTw image. (Black arrow) e HE staining showed many psammoma body in the tumor, f Ki-67 labeling index was 3%.