Localized renal artery vasculopathy: avoiding misdiagnosis between inflammatory arteritis and isolated renal artery dissection - Summary - MDSpire

Localized renal artery vasculopathy: avoiding misdiagnosis between inflammatory arteritis and isolated renal artery dissection

  • By

  • Sopie Secka

  • Ilaria Calciolari

  • Beatrice Maranini

  • Alfonso Massara

  • Andrea Lo Monaco

  • Filippo Furicchia

  • Zairo Ferrante

  • Pierfilippo Acciarri

  • Alessio Mario Cosacco

  • Aaron Thomas Fargion

  • Marcello Govoni

  • July 13, 2026

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Objective:

To highlight the diagnostic complexity and management considerations of rare renal artery disease through detailed case reports of patients with unilateral renal artery pathology.

Approach:
  • Case Report 1: A 47-year-old man presented with left flank pain and was evaluated for suspected diverticulitis. Imaging revealed perivascular tissue around the left renal artery, leading to a diagnosis of localized vasculitis after multidisciplinary assessment.
  • Case Report 2: A 42-year-old patient presented with episodic headaches and systemic symptoms, requiring further investigation to differentiate between vasculitis and isolated renal artery dissection.
Key Findings:
  • Isolated renal artery involvement due to vasculitis is rare and poses diagnostic challenges.
  • Imaging techniques like CTA and MRA are crucial for diagnosis.
  • Differentiation between inflammatory and non-inflammatory arterial lesions is essential for appropriate management.
Interpretation:

Localized renal artery vasculopathy can mimic other conditions, necessitating careful evaluation.

Limitations:
  • Limited literature on the presentation and outcomes of isolated renal artery vasculopathy.
  • Case reports may not be generalizable to all patients with similar symptoms.
Conclusion:

Accurate diagnosis is crucial to guide treatment strategies in patients with renal artery pathology.

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