The correct answer is E: 10,600 nm.
CO2 resurfacing and ablative lasers (10,600 nm) are the best for severe rhinophyma as is seen here. The other wavelengths represent lasers that will be less effective in treating the disease at this late stage.
Zachary CB, Rofagha R. Laser Therapy. In: Bologna J, ed. Dermatology. Philadelphia: Elsevier Saunders; 2012: 2261-2281.
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