Fig. 4From: The role of muscle ultrasound in helping the clinical diagnosis of muscle diseasesMuscle ultrasound in patient suspected to be with acid maltase deficiency showing affection of the vastus intermedius (VI) and sparing of the rectus femoris (RF) and vastus lateralis (VL) and affection of the vastus medialis (VM) with sparing tibialis anterior (TA)Back to article page