case_images: PMC5565915_01
case_images: Gel filtration chromatography demonstrating the presence of predominantly macro-CK in the patient specimen. Note that the free CK is well within the normal population reference range.
case_images: cvja-21-48-g001.jpg
case_images: PMC5565915_01_cvja-21-48-g001.jpg
case_images: F1
case_images: GFC demonstrated that macro-CK contributed 62.7% to the total CK activity and that the free CK (134 U/l) was well within the normal population reference interval (< 167 U/l) (Fig. 1).