GLB1 and Marchiafava-Bignami disease: Among the 14 patients with GLB1‐related MBD, the most frequently observed skeletal manifestations were located in the hips and in the spine, with spinal vertebral dysplasia in 12 of the 14, hip dysplasia in 11 of the 14 patients, and scoliosis/ kyphosis/ gibbous in 7 of the 14 patients.