The genetic counseling in a patient affected by congenital polyneuropathy after a "diagnostic odyssey" recently solved with WES approach.

Counseling after WES/WGS presents challenges for healthcare providers as the availability of consumer-driven is rapidly increasing. The present report uncovers an extremely rare homozygous nonsense mutation c. 1639C>T (p.Gln547Ter) in PRX gene of a patient with heterogeneous manifestation of Charcot-Marie-Tooth. Such studies can help to conduct genetic counseling and subsequently more accurate support to individual cases with neuro-genetic conditions and solved through whole genome/exome-wide screening.