Long-standing foot nodules point to a rare disease

He was previously told that scar tissue from posterior tibial tendonitis was the cause
Foot ultrasound

Lewis, a 63-year-old Caucasian male, presents with a three-year history of multiple, slow-growing and painless nodules on the soles of both feet.

He used to be a dancer and was previously told that scar tissue from posterior tibial tendonitis many years ago was the cause of the nodules.