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Celiac artery aneurysm causing an acute abdomen.

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Polyarteritis nodosa can present as isolated abdominal pain, a rare but serious cause of emergency department visits. Early diagnosis of this vasculitis is crucial for prompt intervention and improved patient outcomes.

Keywords:
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Area of Science:

  • Internal Medicine
  • Rheumatology
  • Emergency Medicine

Background:

  • Abdominal pain is a frequent emergency department complaint.
  • Vasculitis is an uncommon differential diagnosis for abdominal pain.
  • Polyarteritis nodosa (PAN) is a systemic vasculitis affecting medium-sized arteries.

Observation:

  • A case of polyarteritis nodosa presenting solely with acute abdominal pain is discussed.
  • Initial investigations focused on common surgical etiologies for abdominal pain.
  • Exclusion of surgical causes prompted further diagnostic exploration.

Findings:

  • Diagnostic investigations ultimately identified polyarteritis nodosa as the cause of abdominal pain.
  • The presentation mimicked common surgical abdominal emergencies.
  • Detailed case review highlights the diagnostic pathway.

Implications:

  • Highlights the importance of considering rare diagnoses like vasculitis in emergency medicine.
  • Emphasizes the need for prompt recognition of life-threatening conditions.
  • Timely diagnosis of polyarteritis nodosa can lead to critical interventions.