dermatitis hydroa vacciniforme https://rarediseases.info.nih.gov/diseases/9654/hydroa-vacciniforme https://www.malacards.org/card/hydroa_vacciniforme NCIT:C84766 MONDO:0018024 icd11.foundation:2053786485 Orphanet:330058 SCTID:200837006 UMLS:C0020241 hV A rare skin disorder of unknown etiology affecting children. It is a photodermatitis, characterized by the formation of vesicles and scarring on sun exposed areas. MESH:D006837 MEDGEN:5661 GARD:0009654