長期間留置されたペア磁性体鼻中隔内異物例

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  • A Case of Long-standing Coupled Magnetic Nasal Foreign Bodies in the Nasal Septum
  • 臨床 長期間留置されたペア磁性体鼻中隔内異物例
  • リンショウ チョウキカン リュウチ サレタ ペア ジセイタイ ビ チュウカクナイ イブツレイ

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<p>Nasal foreign bodies are commonly encountered in ENT outpatient clinics. They are more frequently seen in young children, therefore, they tend to be long-standing, unless the children themselves confess or the families happen to catch sight during the insertion. Inorganic foreign bodies such as metal are associated with few symptoms. Multiple magnetic foreign bodies are unique in nature because of their attractive forces. We report a case with long-standing bilateral intranasal foreign bodies which had been inserted more than 15 years earlier. A 23-year-old female presented to us with the complaint of slight pain in the left cheek. Nasal endoscopy and CT revealed a small part of a metallic foreign body on the nasal septum on the right side. We removed the foreign body endoscopically from inside the nasal septum under general anesthesia. The foreign body consisted of two small magnets attracted to each other. They sandwiched the nasal septum and had been buried in the nasal septum for a long time without any infection. Nasal septal perforation had not occurred, presumably because one side of the foreign bodies was covered by mucosa. Some cases of multiple magnetic foreign bodies in the nasal septum have been reported with the complication of perforation of the nasal septum. It is also dangerous to perform MRI in cases with magnetic foreign bodies. Such foreign bodies must be removed without delay.</p>

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