Pigmentation Anomaly of the Skin, also known as abnormality of skin pigmentation, is related to polyposis, skin pigmentation, alopecia, and fingernail changes and genetic pigmentation anomaly of the skin. An important gene associated with Pigmentation Anomaly of the Skin is MTX2 (Metaxin 2). The drugs Latanoprost and Travoprost have been mentioned in the context of this disorder. Affiliated tissues include skin and breast.