Adult Photosensitivity Disorders
As part of our commitment to resident education, Cutis is excited to offer this monthly section with board-relevant, easy-to-review material.
This month’s fact sheet aims to review important disorders in the adult population in which photosensitivity is a major feature. It will review pathophysiology, clinical features, management/prognosis, and other pearls.
5. A 30-year-old black woman reports an itchy, flesh-colored, bumpy rash on the extensor forearms that appears 24 hours after sun exposure. There was no prior exposure to systemic or topical photoallergens. Which of the following is false regarding this condition?
a. classified as a type IV hypersensitivity reaction
b. condition improves with subsequent exposures (hardening)
,c. histology is characterized by mucin deposition
d. rash is generally nonscarring
e. similar reaction localized to the helices may occur in adolescent boys
Answers to practice questions provided on next page
