PMC4955460_01
Chest X-ray showing the radio-opaque foreign body
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F1
A plain radiograph of the neck and chest revealed a rounded radio-opaque object located at the sternal angle of Louis [Figure 1].
Oesophagogastroduodenoscopy showing inflammatory changes and ulcers at the point of impaction in the mid-oesophagus
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F2
There were inflammatory changes and superficial ulcers at the point of impaction in the oesophagus [Figure 2].
The rounded metallic object passed with faeces
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F3
The child eventually passed the object out with faeces, about 24 h after endoscopy [Figure 3].
The button lithium battery
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F4
The object was identified to be a button lithium battery [Figure 4].