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Temporal Myositis Associated With Adenovirus Infection in a Child: A Case Report

Anna Hermine Markowich1, Marianna Zobele, Maria Sole Valentino

  • 1From the Pediatric Infectious Disease Unit, Luigi Sacco Hospital, University of Milan, Milan, Italy.

The Pediatric Infectious Disease Journal
|November 20, 2025
PubMed

Insights

This study details the first pediatric case of adenovirus-associated temporal myositis. The 3-year-old patient fully recovered with supportive care, showing no recurrence.

Area of Science:

  • Pediatric infectious diseases
  • Neurology
  • Musculoskeletal disorders

Background:

  • Infectious myositis in children commonly presents with influenza virus infections affecting lower limb muscles.
  • Bilateral temporal myositis is a rare presentation in pediatric cases.

Purpose of the Study:

  • To report the first pediatric case of bilateral temporal myositis caused by adenovirus infection.
  • To highlight diagnostic methods and clinical outcomes for this rare condition.

Main Methods:

  • Case report of a 3-year-old child with symptoms suggestive of temporal myositis.
  • Diagnostic confirmation using ultrasound to visualize temporalis muscle inflammation.
  • Clinical management with supportive care.

Main Results:

  • The patient presented with bilateral temporal myositis linked to adenovirus infection.
  • Ultrasound confirmed inflammation of the temporalis muscles.
  • Complete symptom resolution and recovery within one month of follow-up.

Conclusions:

  • Adenovirus infection can cause bilateral temporal myositis in children, a presentation not previously documented.
  • Ultrasound is a valuable tool for diagnosing temporal myositis in pediatric patients.
  • Supportive care is effective for managing this condition, leading to full recovery without complications.
Keywords:
adenovirusmyositistemporal swelling

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