Acute suppurative thyroiditis caused by Pasteurella multocida and associated with thyrotoxicosis

Sarah A McLaughlin1, Stephen L Smith, Shon E Meek

  • 1Section of General Surgery, Mayo Clinic, 4500 San Pablo Road, Jacksonville, Florida 32224, USA.

Insights

Acute suppurative thyroiditis (AST), a rare thyroid infection, is usually caused by staphylococci or streptococci. This case highlights a unique instance of AST caused by Pasteurella multocida, leading to thyrotoxicosis in a healthy woman.

Area of Science:

  • Endocrinology
  • Infectious Diseases
  • Microbiology

Background:

  • Acute suppurative thyroiditis (AST) is a rare bacterial infection of the thyroid gland.
  • Staphylococcal and streptococcal species are the most common pathogens implicated in AST.
  • Transient hyperthyroidism is an infrequent complication of AST.

Observation:

  • A previously healthy 51-year-old woman presented with symptoms of AST.
  • The causative agent identified was Pasteurella multocida, an unusual pathogen for this condition.
  • The patient experienced thyrotoxicosis concurrently with the thyroiditis.

Findings:

  • This case represents a unique presentation of AST caused by Pasteurella multocida.
  • The occurrence of thyrotoxicosis associated with this specific pathogen and condition is notably rare.
  • The patient's prior health status underscores the potential for novel infectious presentations.

Implications:

  • This case expands the known spectrum of pathogens causing acute suppurative thyroiditis.
  • It highlights the importance of considering unusual bacteria in thyroid infections.
  • The association with thyrotoxicosis warrants further investigation into the pathophysiology of such events.

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