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Left Ventricular Infected Thrombus Detected by 18F-FDG PET/CT and MRI in Disseminated Staphylococcus Infection

Ana María García Vicente1, Miguel Villar García2, José Javier Blanch Sancho3

  • 1From the Nuclear Medicine Department. Hospital General Universitario de Ciudad Real, Ciudad Real.

Clinical Nuclear Medicine
|September 24, 2020
PubMed

Insights

A rare case of Staphylococcus bacteremia in a 61-year-old woman led to an infected left ventricular thrombus. Advanced imaging diagnosed this condition, typically seen in patients with heart issues.

Area of Science:

  • Infectious Diseases
  • Cardiology
  • Radiology

Background:

  • Fever and acute meningitis can indicate serious infections.
  • Staphylococcus bacteremia requires prompt diagnosis and management.
  • Infective endocarditis and cardiac thrombi are potential complications of bacteremia.

Observation:

  • A 61-year-old woman presented with fever, meningitis, maculopapular rash, and cellulitis.
  • Persistent Staphylococcus bacteremia was identified.
  • Initial transesophageal echocardiography was inconclusive for cardiac pathology.

Findings:

  • F-FDG PET/CT and cardiac MRI revealed a left ventricular infected thrombus.
  • This diagnosis is exceptionally rare in patients without pre-existing structural heart disease.
  • The findings highlight the diagnostic utility of advanced imaging in complex cases.

Implications:

  • This case underscores the importance of considering rare cardiac complications in severe infections.
  • Advanced imaging modalities like PET/CT and cardiac MRI are crucial for diagnosing unusual conditions.
  • Further research into the pathogenesis and management of infected cardiac thrombi in non-structural heart disease is warranted.

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