POMT1 and limb-girdle muscular dystrophy: Muscle MR imaging was performed on 28 patients (9 with LGMD-R1-calpain3-related, 13 with LGMD-R2-dysferlin-related, 3 with LGMD-R7-telethonin-related, 1 with LGMD-R9-FKRP-related, 1 with LGMD-R11-POMT1-related and 1 with LGMD-R18-TRAPPC11-related).