American journal of diseases of children (1911)
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Coins are the most common esophageal foreign body in children. We prospectively evaluated 52 consecutive children who had swallowed coins to determine the incidence of asymptomatic esophageal coins and the rate of spontaneous passage. ⋯ The presence of symptoms was significantly associated with esophageal coins, but the absence of symptoms did not reliably exclude the possibility of an esophageal coin. All children who swallow coins should undergo roentgenographic evaluation.