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3D-FLAIR magnetic resonance imaging in the evaluation of mumps deafness

Hironao Otake1, Makoto Sugiura, Shinji Naganawa

  • 1Department of Otorhinolaryngology, Nagoya University Graduate School of Medicine, 65, Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan. hiro07@med.nagoya-u.ac.jp

International Journal of Pediatric Otorhinolaryngology
|September 19, 2006
PubMed

Insights

Mumps can cause sudden, profound deafness. This case shows three-dimensional FLAIR MRI revealing inner ear inflammation, aiding diagnosis of mumps-related hearing loss.

Area of Science:

  • Otolaryngology
  • Neurology
  • Radiology

Background:

  • Mumps virus infection can lead to sensorineural hearing loss.
  • Diagnosis of mumps-induced deafness can be challenging, especially without parotitis.

Observation:

  • A 6-year-old boy presented with acute, profound right-sided deafness following mumps exposure.
  • He exhibited elevated anti-mumps IgM and IgG antibodies but no salivary gland swelling.
  • Magnetic resonance imaging (MRI) using a three-dimensional fluid-attenuated inversion recovery (3D-FLAIR) sequence revealed high signals in the right inner ear.

Findings:

  • The high 3D-FLAIR MRI signals in the cochlea and vestibule suggest inner ear hemorrhage or proteinaceous fluid.
  • This is the first reported case of characteristic 3D-FLAIR findings in mumps-associated deafness.
  • The findings correlate with labyrinthitis, an inflammation of the inner ear.

Implications:

  • Three-dimensional FLAIR MRI may serve as a valuable tool for diagnosing labyrinthitis in cases of mumps deafness.
  • This imaging technique could improve the identification and understanding of inner ear complications from mumps virus.
  • Further research may elucidate the specific pathological changes indicated by 3D-FLAIR signals in mumps labyrinthitis.

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