Results There were abnormal ventricular movement in all cases, and thinner wall or secondary interventricular septum perforation in part of cases.

Conclusion Button battery in the nose may cause epistaxis, septum perforation, adhesion and rhinostenosis, and must be removed and managed promptly.

The health hazard of the chromium compounds was mainly manifested in nose, eliciting fester, ulcer, perforation of nasal septum.