A somewhat irascible 70-year-old woman with a highly stylized bouffant hairdo complains of intolerable scalp pruritus. You notice white flakes on the shoulders of her black sweater. You suspect seborrheic dermatitis.
1. What history should you attempt to elicit from this patient?
2. When you examine this patient's scalp, what primary and secondary lesions would support your diagnosis of seborrheic dermatitis?
3. Where else on this patient's body should you look for active dermatitis?
4. How should you approach treatment in this patient?
5. What should you tell this patient is the prognosis for seborrheic dermatitis?
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