is a common skin condition mostly occurring in children and usually seen as dry, fine-scaled, pale patches on the face.
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A 10-years-old Caucasian boy comes to the dermatologist office because of pink patches over his face that developed during the final week of his summer vacation while at spa on the mountains. He has bilateral symmetric lesions on both his cheeks. They are 2 cm in diameter, pink flat patches with an elevated border. He does not report any itching and he says to have enjoyed a lot the hot baths and running around outside as the weather was very nice. Which is the most likely diagnosis?