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| ==Overview== | | ==Overview== |
| ''Hydroa vacciniforme''' (HV) is a very rare, chronic [[photodermatitis]]-type skin condition with usual onset in childhood. It was first described in 1862 by Bazin.<ref>{{cite journal|last=Bazin|first=E|title=Lecons theoriques et cliniques sur les affectations generiques de la peau|journal=Delabrage|year=1862|volume=1:132}}</ref> It is sometimes called "Bazin's hydroa vacciniforme". A study published in Scotland in 2000 reviewed the cases of 17 patients and estimated a prevalence of 0.34 cases per 100,000 population. In this study they reported an average age of onset of 7.9 years. Frequently the rash first appeared in the spring or summer months and involved sun-exposed skin.<ref>{{cite journal|last=Gupta|first=G|author2=Man I |author3=Kemmett D. |title=Hydroa vacciniforme: A clinical and follow-up study of 17 cases.|journal=J Am Acad Dermatol.|year=2000|volume=Feb;42(2 Pt 1)|pages=208–13}}</ref> The rash starts as a vesicular eruption, later becoming umbilicated, and resulted in vacciniform scarring. It is most frequently found on the nose, cheeks, ears, dorsum of the hand, and arms (places that are most exposed to light).<ref name="Andrews">{{cite book |author=James, William D.; Berger, Timothy G.; et al. |title=Andrews' Diseases of the Skin: clinical Dermatology |publisher=Saunders Elsevier |location= |year=2006 |pages= |isbn=0-7216-2921-0 |oclc= |doi= |accessdate=}}</ref>
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| ==References== | | ==References== |
Latest revision as of 23:00, 15 February 2015