Ingested lithium cell batteries set up "chemical reaction" in children leading to organ perforation

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From the NYTimes:

"13-month-old boy developed what seemed like an upper respiratory infection. He lost interest in food and vomited a few times, but doctors attributed it to a virus. After nine days of severe symptoms and more doctor visits, the hospital finally ordered an X-ray to look for pneumonia.

What they found instead was totally unexpected. The child had ingested a “button” battery, one of those flat silver discs used to power remote controls, toys, musical greeting cards, bathroom scales and other home electronics.

The battery was surgically removed the next day, and Aidan was sent home. But what neither the doctors nor his parents realized was that the damage had been done. The battery’s current had set off a chemical reaction in the child’s esophagus, burning through both the esophageal wall and attacking the aorta. Two days after the battery was removed, Aidan began coughing blood, and soon died from his injuries."

A Lithium Battery in a Hotdog: the picture burns itself into mind - keep out of reach of small children http://goo.gl/qHsBL

References:

For Very Young, Peril Lurks in Lithium Cell Batteries. NYTimes.

Swallowed Objects That Went Straight Into History - NYTimes, 2011.