Leg Pain and Weakness in a 22-Year-Old Woman

A radiologist notes high signal on the inversion recovery sequence in this MRI image from a young woman with pain and weakness in her lower extremities.

What do you see in the image?

Can you guess what other body structures than her muscles are also involved?

To learn the diagnosis and see radiological images from an older woman with the same condition, click here to read the complete case study, from the teaching files of Hospital for Special Surgery in New York.