Chromosome Xq26.3 Duplication Syndrome, also known as x-linked acrogigantism, is related to lissencephaly, x-linked, 2 and pituitary tumors, and has symptoms including snoring and thick skin. An important gene associated with Chromosome Xq26.3 Duplication Syndrome is CXDUPQ26.3 (Chromosome Xq26.3 Duplication Syndrome). Affiliated tissues include pituitary and skin, and related phenotypes are tall stature and increased circulating prolactin concentration