What timeframe do you recommend for performing imaging in pediatric patients with moderate to high-risk congenital melanocytic nevi?

I tend to favor obtaining an MRI of the CNS before the age of 6 months (based on the work and recommendations of Dr. Veronica Kinsler). Depending on the experience of the radiology department, some are able to obtain this imaging without general anesthesia, using a "soothe and swaddle" technique. Ho...