French paediatric centreArch Dis Childoesophageal stenosismediastinitisfistula formationperforationButton batteriesarchdischild-2025-328576Coins usually pass through the digestive tract without intervention. Magnets
…llows them to lodge in the oesophagus. Among 79 cases seen at a French paediatric centre, nearly 40% developed complications, including mediastinitis, o…