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Figure 6. Perfusion weighted imaging(PWI) and histopathological photograph from a patient with low-grade oligodendrogliomas (same patient as in Figure 5). (a) Relative cerebral blood volume (rCBV) colour map. (b) Signal-intensity time-curve. (c) Histopathological photograph. The signal intensity in both peritumoural region and solid portion of tumour was homogeneous on rCBV map. Histopathological photograph of tumour confirmed the diagnosis of oligodendrogliomas (Grade II).
