Skip to main content

Advertisement

SpringerLink
Log in

A case of a foreign body in the external auditory canal incidentally detected on magnetic resonance imaging

  • Case Report
  • Published:
Oral Radiology Aims and scope Submit manuscript

Abstract

We report a case of a foreign body incidentally detected in the external auditory canal (EAC) as a result of the appearance of artifacts on magnetic resonance imaging (MRI). The patient was a 34-year-old woman referred to our hospital with the chief complaint of trismus. She manifested no auditory symptoms in her daily life nor during MRI. The foreign body was detected in the EAC, and we referred her to an otorhinolaryngological hospital for its removal. The body was made of iron and measured approximately 1 mm in length.

This is a preview of subscription content, log in via an institution to check access.

Access this article

Log in via an institution

Price excludes VAT (USA)
Tax calculation will be finalised during checkout.

Instant access to the full article PDF.

Institutional subscriptions

Fig. 1
Fig. 2
Fig. 3
Fig. 4
Fig. 5
Fig. 6

Similar content being viewed by others

References

  1. Behr M, Fellner C, Bayreuther G, Leibrock A, Held P, Fellner F, et al. MR-imaging of the TMJ: artifacts caused by dental alloys. Eur J Prosthodont Restor Dent. 1994;4:111–5.

    Google Scholar 

  2. Fellner C, Behr M, Fellner F, Held P, Handel G, Feuerbach S. Artifacts in MR imaging of the temporomandibular joint caused by dental alloys: a phantom model study at T1.5. Rofo. 1997;166:421–8.

    Article  PubMed  Google Scholar 

  3. Okano Y, Yamashiro M, Kaneda T, Kasai K. Magnetic resonance imaging diagnosis of the temporomandibular joint in patients with orthodontic appliances. Oral Surg Oral Med Oral Pathol Oral Radiol Endod. 2003;95:255–63.

    Article  PubMed  Google Scholar 

  4. Tetsumura A, Honda E, Sasaki T, Kino K. Metallic residues as a source of artifacts in magnetic resonance imaging of the temporomandibular joint. Dentomaxillofac Radiol. 1999;28:186–90.

    Article  PubMed  Google Scholar 

  5. Norfray JF, Traveras JM. Gradient echoes: simplified. Am J Neuroradiol. 1989;10:209–10.

    PubMed  Google Scholar 

  6. Starcuková J, Starcuk Z Jr, Hubálková H, Linetskiy I. Magnetic susceptibility and electrical conductivity of metallic dental materials and their impact on MR imaging artifacts. Dent Mater. 2008;24:715–23.

    Article  PubMed  Google Scholar 

  7. Destine D, Mizutani H, Igarashi Y. Metallic artifacts in MRI caused by dental alloys and magnetic keeper. Nihon Hotetsu Shika Gakkai Zasshi. 2008;52:205–10.

    Article  PubMed  Google Scholar 

  8. Alanen A, Bondestam S, Kome M. Artifacts in MR imaging caused by small quantities of powdered iron. Acta Radiol. 1995;36:92–5.

    PubMed  Google Scholar 

  9. Nakamura A, Kawabori S, Saito S, Unno T. Statistical review of foreign bodies at Asahikawa Medical School. Pract Otol (Kyoto). 1987;15:123–9 (in Japanese).

  10. Matsui T, Yamada K, Muramatsu H, Saito Y, Kawaguchi H, Watanabe Y, et al. A statistical analysis of patients with foreign bodies in our hospital during the past 7 years (1988–1995). Pract Otol (Kyoto). 1996;89:95–101 (in Japanese).

  11. Ishikawa H, Omata T. Statistical analysis of 83 cases of foreign bodies in the external auditory canal. Pract Otol (Kyoto). 1998;91:899–904 (in Japanese).

    Google Scholar 

  12. Wada I, Kase Y, Iinuma T. Statistical study on the case of aural foreign bodies. J Otolaryngol Jpn. 2003;106:678–84 (in Japanese).

    Google Scholar 

  13. Sancar M. Impacted earring clip visible on panoramic radiograph. Dentomaxillofac Radiol. 2006;35:36–7.

    Article  PubMed  Google Scholar 

  14. Nor MM, Yushar A, Razali M, Rahman RA, Ramli R. Incidental radiologic findings of susuk in the orofacial region. Dentomaxillofac Radiol. 2006;35:473–4.

    Article  PubMed  Google Scholar 

Download references

Conflict of interest

The authors declare that they have no conflict of interest.

Author information

Authors and Affiliations

  1. Department of Oral and Maxillofacial Radiology and Diagnosis, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan

    Satsuki Wakae-Morita, Chinami Igarashi, Takashi Osano & Kaoru Kobayashi

  2. Department of Oral Anatomy, Tsurumi University School of Dental Medicine, 2-1-3 Tsurumi, Tsurumi-ku, Yokohama, Kanagawa, 230-8501, Japan

    Shinji Shimoda

Authors
  1. Satsuki Wakae-Morita
    View author publications

    You can also search for this author in PubMed Google Scholar

  2. Chinami Igarashi
    View author publications

    You can also search for this author in PubMed Google Scholar

  3. Takashi Osano
    View author publications

    You can also search for this author in PubMed Google Scholar

  4. Shinji Shimoda
    View author publications

    You can also search for this author in PubMed Google Scholar

  5. Kaoru Kobayashi
    View author publications

    You can also search for this author in PubMed Google Scholar

Corresponding author

Correspondence to Satsuki Wakae-Morita.

Rights and permissions

Reprints and permissions

About this article

Cite this article

Wakae-Morita, S., Igarashi, C., Osano, T. et al. A case of a foreign body in the external auditory canal incidentally detected on magnetic resonance imaging. Oral Radiol 29, 183–187 (2013). https://doi.org/10.1007/s11282-012-0123-z

Download citation

  • Received:

  • Accepted:

  • Published:

  • Issue Date:

  • DOI: https://doi.org/10.1007/s11282-012-0123-z

Keywords

Search

Navigation