Button battery esophageal impaction
Presents with his mother with irritability, coughing, and rhinorrhoea.
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A foreign body is seen at the level of the cricopharyngeus. A halo sign or double ring sign can be seen which eludes towards the foreign body being a button battery. On the lateral view the foreign body can be seen impacted in the esophagus with the trachea seen anteriorly.
This case demonstrates a classic finding of impaction of a button battery in the cervical esophagus. Differentiation between a button battery and other foreign bodies is of the utmost importance. Ingestion and impaction of a button battery can cause respiratory distress through obstruction and a caustic burn. If the battery is impacted as seen in this case, significant morbidity and/or mortality can occur within 8 hours after ingestion.
Button batteries if passed through the stomach pose minimal risk for impaction or burns and can be observed until passed in the stool.
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