1 MCQs in Dermatology for NEET PG
A 22-year-old woman presents with a solitary 3 cm salmon-pink plaque with central clearing and a fine scale at the border on her left flank, which appeared 10 days ago. She reports mild pruritus. The structure marked **D** in the diagram is the herald patch. Which of the following best explains the pathogenesis of pityriasis rosea and the subsequent generalized eruption?
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