Accuracy of Magnetic Resonance Parkinsonism Index in Differentiating Progressive Supranuclear Palsy from Parkinson's Disease among South Indian Population: A Retrospective Case Control Study.

3a–c ) when compared with the other two groups with the mean value of 0.9 and also found to be very significant with p -value <0.001, which points to the main pathology of midbrain atrophy in PSP. 1 Meanwhile, there is no statistical significance noted in the Pons area among the three groups ( p -value 0.07) ( Table 2 ). Patients with other PD show highly significant difference in the mean value of width of middle cerebellar peduncle (0.9 ± 0.3; p value < 0.001) as middle cerebellar peduncle atrophy can occur in multisystem atrophy disease ( Table 2 and Fig. 4a–c ). 4 Several studies prove the atrophy of SCP in PSP patients, but in our study no signif

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