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Abstract

Pattern reversal visual evoked potentials(Pr- prognosis, monitoring and evaluation tool of pa in many researches. In this study, Hanoi Medical University, f Hanoi Medical University VEP) play as a routine part of diagnosis, tients with pituitary tumour was proposed we applied Pr-VEP technique to record VEP for 21 patients with computerized tomographically documented pituitary tumor. The result indicated that VEPmorphology, rate of VEP waves, amplitudes and inte, not difference with those of normal people. However, Significantly proton latencies was found in patient with pituitary tumor comp. With this result, we confirm that Pr-VEP is suitable for tumor. rpeak latency did ged of VEP wave jared to norm people(p<0,05). all cases alleged to bepituitary