Dr. Pathak is from Wake Forest University, Winston-Salem, North Carolina. Dr. De Luca is from Laser Skin Care Center, Long Beach, California.
The authors report no conflict of interest.
4. Which photosensitivity disorder is associated with an increased risk for osteosarcoma?
a. actinic prurigo
b. Rothmund-Thomson syndrome
c. Smith-Lemli-Opitz syndrome
d. trichothiodystrophy
e. xeroderma pigmentosum