(BMJ)—A 12-yo boy w/ hx of mild recurrent iron deficiency presented w/ discoloration on his chin; a similar episode occurred several months prior. He denied any trauma. Exam: circumscribed, bluish purple, nontender discoloration on chin. Labs: WNL. What is the dx?
Blue rubber bleb nevus syndrome
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Vacuum hematoma
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Nevus of Ota
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Cavernous hemangioma
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Shaving injury
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