| Phenotype details |
elevated CK levels (up to 15,000 IU/I); 5y-muscle biopsy dystrophic pattern, IHC no dystrophin, tiptoe walking, behavioral problems; 13y-still able to walk without aids, no assistance climbing stairs, mild exercise intolerance, proximal weakness, pseudohypertrophic calves, no Gowers’ sign, cardiopulmonary no pathologically findings |