Fig. 4From: Utility of indocyanine green videoangiography with FLOW 800 analysis in brain tumour resection as a venous protection techniqueA patient with a mass on the bilateral frontal lobe and corpus callosum. A, B MRI with contrast showed a heterogeneous mass with cystic areas involving the body of the corpus callosum and extending bilaterally into the frontal lobes FLOW 800 was used to map the blood flow conditions of the two superior cerebral veins C before and D after tumour resectionBack to article page