Question: Can you identify this condition?

A n 82-year-old woman presents with multiple rough, scaly, ill-defined erythematous papules and plaques on her nose, cheeks, and forehead. The lesions occur on a background of sun-damaged skin.

The most likely diagnosis is

1. Seborrheic keratosis

2. Actinic keratosis

3. Seborrheic dermatitis

4. Basal cell carcinoma

5. Poikiloderma

Answer on page 699

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