Archives of Dermatology · 1968 · 43 citations · 0 references
MedicineDermatologyPathologyDermatopathologyHypersensitivitySkin Biopsy InterpretationContact DermatitisPhotosensitivity DisordersContact Dermatitis PathologyCutaneous PhotosensitivityHistologic ExaminationPhotoaggravated DermatosesPhotoallergic DermatitisPhotosensitive DermatosesPhotosensitivity ReactionsPhototoxic Dermatitis
The clinical distinction between phototoxic and photoallergic contact dermatitis is difficult. Even a biopsy specimen from such a dermatitis rarely provides conclusive evidence. However, the histologic examination of biopsy specimens from photopatch tests in these cases is diagnostic, providing the tests are biopsied at the appropriate time.