Table 5.

The various definitions for high-risk patients who are suggested to receive routine MRI-screening

References	Definitions
Bittencourt et al. [23]	Large CMN on the head, neck or over the dorsal spinal cord
Lovett et al. [20]	Large CMN on the head, neck or over the dorsal spinal cord or with multiple satellites
Ramaswamy et al. [19]	CMN on the head, neck or over the dorsal spinal cord
Waelchli et al. [7]	Children with two or more CMN at birth, independent of projected adult size or site of the largest CMN
Wramp et al. [24]	CMN of > 40 cm projected adult size or with > 20 satellites