has modifier disease has feature Cutaneous photosensitivity hereditary photodermatosis Hereditary photodermatoses are a spectrum of rare photosensitive disorders that are often caused by genetic deficiency or malfunction of various components of the DNA repair pathway. This results clinically in extreme photosensitivity, with many syndromes exhibiting an increased risk of cutaneous malignancies. MONDO:0015951 Orphanet:183490 genetic photosensitivity genetic skin photosensitivity photogenodermatosis photogénodermatose rare genetic skin disease