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Salmonella Bacteremia Causing Mycotic Pseudoaneurysm of Right Common Iliac Artery Complicated by Septic Caval

Sinduja Sivaramalingam1, Dillibabu Ethiraj2, Sripriya Srinivas1

  • 1Department of Radiology, Dr. Rela Institute and Medical Centre, Chennai, Tamil Nadu, India.

The Indian Journal of Radiology & Imaging
|September 30, 2022
PubMed

Insights

Mycotic pseudoaneurysm (MPA), a rare infection of arteries, can be fatal if untreated. This case highlights Salmonella bacteremia causing MPA and IVC thrombosis in a diabetic patient, emphasizing early diagnosis.

Area of Science:

  • Vascular Surgery
  • Infectious Diseases
  • Radiology

Background:

  • Mycotic pseudoaneurysm (MPA) is a rare but life-threatening arterial infection with a high mortality rate.
  • Predisposing factors include diabetes, renal failure, malignancy, steroid use, and IV drug use.

Observation:

  • A unique case of Salmonella bacteremia-related MPA of the right common iliac artery is presented.
  • The MPA was complicated by septic inferior vena cava (IVC) thrombosis, a previously undescribed transcompartmental involvement.

Findings:

  • The case demonstrates the aggressive nature of invasive nontyphoidal Salmonella infections.
  • Uncontrolled diabetes was a significant comorbidity in this patient.

Implications:

  • Early imaging is crucial for diagnosing suspicious cases of MPA to reduce morbidity and mortality.
  • This case underscores the importance of considering invasive bacterial infections in patients with vascular complications.
Keywords:
computed tomographypseudoaneurysmthrombosis

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