Image Challenge #9

A middle-aged diabetic male patient presented with a disturbed level of consciousness, dysphagia, and slurred speech, few days after hospitalization for a severe attack of diarrhea. An axial T2-weighted image of the brain MRI is shown. 

What is the most likely diagnosis?

Answer: Central pontine myelinolysis 

Presented by Prof. Dr. Haider Najim AlTameemi, Professor of Diagnostic Radiology,
Faculty of Medicine, University of Kufa, Middle Euphrate Neuroscience Center, Iraq