Intermediate autosomal recessive forms (ARCNM, OMIM 255200) are due to mutations in the BIN1/amphiphysin 2 (BIN1), myotubularin-related 14 (MTMR14) [6], [7] or RYR1 genes [8], [9]. Here, BIN1 is linked to autosomal recessive centronuclear myopathy.