Any autosomal recessive centronuclear myopathy in which the cause of the disease is a mutation in the SPEG gene. The disease is MONDO_0014418 (myopathy, centronuclear, 5). Also known as: SPEG autosomal recessive centronuclear myopathy, autosomal recessive centronuclear myopathy caused by mutation in SPEG, centronuclear myopathy 5, myopathy, centronuclear, type 5.