Pseudoxanthoma Elasticum-Like Skin Manifestations with Retinitis Pigmentosa, is also known as pxe-like syndrome with retinitis pigmentosa. An important gene associated with Pseudoxanthoma Elasticum-Like Skin Manifestations with Retinitis Pigmentosa is GGCX (Gamma-Glutamyl Carboxylase). Affiliated tissues include skin and eye, and related phenotypes are nyctalopia and rod-cone dystrophy