Introduction: Foreign body ingestion is frequently encountered in young children. In the majority of cases it will not lead to an adverse outcome. However, in case of coin battery ingestion more serious adverse outcomes, including death, have been reported.
Case report: The authors report a patient in whom fatal aortoesophageal fistula developed after impaction of a button battery.
Discussion: Once of aortoesophageal fistula occurs, it presents with typical large-herald upper gastrointestinal bleeding and cardiovascular collapse.
Conclusions: This complication is frequently a lethal event.