title: Patch testing over tattoos.
abstract: BACKGROUND
  There is little, if any, literature regarding placing and reading of patch-tests on tattooed skin.
  
  
  METHODS
  A patient whose entire back was covered with multiple tattoos was patch-tested.
  
  
  RESULTS
  Multiple positive patch-tests were seen with no apparent reduction in intensity related to tattooed skin.
  
  
  CONCLUSIONS
  If necessary, patch-tests can be placed and read on tattooed skin.
authors.affiliation: Department of Dermatology, University of Louisville School of Medicine, Louisville, KY, USA.
authors.forename: Joseph F
authors.initials: JF
authors.lastname: Fowler
authors.forename: M Kathleen
authors.initials: MK
authors.lastname: McTigue
mesh_terms: D000328:Adult; D001415:Back; D017449:Dermatitis, Allergic Contact / Q000175:diagnosis* / Q000473:pathology; D003937:Diagnosis, Differential; D005260:Female; D006801:Humans; D010328:Patch Tests / Q000379:methods; D011237:Predictive Value of Tests; D013653:Tattooing