[A case of mumps pneumonia complicated with acute respiratory failure]

K Fujita1, S Akutgawa, S Ikeda

  • 1Osaka Medical College, 2-7 Daigaku-machi, Takatsuki-City, Osaka, Japan.

Insights

This case report details adult mumps pneumonia, a rare complication of mumps virus infection. Prompt diagnosis and high-dose methylprednisolone therapy were crucial for recovery from acute respiratory failure.

Area of Science:

  • Infectious Diseases
  • Pulmonology
  • Virology

Background:

  • Mumps virus typically causes parotitis but can lead to severe complications.
  • Adult mumps pneumonia is infrequently reported, especially in Japan.

Observation:

  • A 38-year-old male presented with dyspnea and swollen parotid glands, confirmed as mumps.
  • Computed tomography revealed ground-glass opacities in the lungs.
  • Bronchoalveolar lavage showed elevated lymphocytes and a decreased CD4+/CD8+ ratio.

Findings:

  • Bronchial biopsy confirmed lymphocytic infiltration, indicative of viral pneumonia.
  • The patient developed acute respiratory failure but improved with methylprednisolone.
  • This case represents the first documented instance of adult mumps pneumonia in Japan.

Implications:

  • Highlights mumps pneumonia as a differential diagnosis in adults with respiratory symptoms and mumps.
  • Suggests high-dose corticosteroids may be beneficial in managing severe mumps pneumonia.
  • Emphasizes the need for continued surveillance and research into mumps virus complications.

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