Diseases once believed to be confined to the tropics, such as parasitic, mycobacterial, fungal, bacterial, and viral infections are still a major cause of mortality and moribidity in the tropics, yet can affect the developed world in an era of increased global travel and migration. Neuroimaging technique developments over the last several decades have helped clinicians better understand and diagnose these conditions. Experts from tropical countries share their experiences regarding tropical disorders, some of which are rare in the western world, but possible to appear in patients and not...