Areas of demyelination of the white matter (arrows) in the frontal lobe of a 54-year-old man with multiple sclerosis.

Read more about multiple sclerosis in context:
Clinical Neuroanatomy, 28e: Chapter 25. Discussion of Cases
Read more about multiple sclerosis:
Harrison’s Principles of Internal Medicine, 20e: Chapter 436. Multiple Sclerosis
Principles and Practice of Hospital Medicine, 2e: Chapter 212. Multiple Sclerosis
Adams and Victor's Principles of Neurology, 10e: Chapter 36. Multiple Sclerosis and Other Inflammatory Demyelinating Diseases