In studying photosensitivity, there are unusual types of solar dermatitis called to our attention each summer. In examining recurrences of cases in past years diagnosed as contact eczema, the importance of the various wavelengths of light from the sun as a possible etiologic agent has been considered. In the original studies of polymorphic light-sensitive eruptions,1 a tentative classification of these dermatoses was formulated:
Contact eczematous type
Papular prurigo-like type
Erythematous type—erythema solar perstans
Since the original publications, we have described a long-standing case of prurigo aestivalis with liver disease in a farmer aged 37 years.2
Two cases2 were presented in male patients that would be described as a verrucous type of solar dermatitis (colloid type degeneration) with distribution on the hands in addition to an accompanying plaque-like and prurigo solar dermatitis involving the face of each patient.
The third report3 was of a rare type of solar dermatitis of the
LAMB JH, JONES PE, MORGAN RJ, EVERETT MA, PENROD JN. Further Studies in Light-Sensitive Eruptions. Arch Dermatol. 1961;83(4):568–583. doi:10.1001/archderm.1961.01580100032005
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