Role of MRI in diagnosis of multiple system atrophy: A case report.

Multiple system atrophy (MSA) is a sporadic, progressive neurodegenerative disorder of unknown etiology, characterized by various combinations of autonomic, cerebellar, pyramidal and extra pyramidal signs. Based on the consensus criteria, patients with MSA are classified as MSA-c and MSA-P. MRI plays an important role in the early diagnosis. The characteristic finding hot "cross bun’’ sign is seen in MSA of cerebellar type Here we present a case of MSA-C in 52 years old male patient.