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Abdominal computed tomography in systemic lupus erythematosus

C K Si-Hoe1, C H Thng, S G Chee

  • 1Department of Diagnostic Radiology, Toa Payoh Hospital, Singapore.

Clinical Radiology
|April 1, 1997
PubMed
Summary

Abdominal CT scans are valuable for diagnosing complications in systemic lupus erythematosus (SLE) patients. This imaging modality helps identify conditions like renal vein thrombosis and mesenteric ischemia, aiding in timely patient management.

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Area of Science:

  • Radiology
  • Internal Medicine
  • Rheumatology

Background:

  • Systemic lupus erythematosus (SLE) is a complex autoimmune disease with potential multi-organ involvement.
  • Abdominal complications in SLE patients can be challenging to diagnose clinically.
  • Computed tomography (CT) is a key imaging modality for evaluating abdominal pathologies.

Purpose of the Study:

  • To assess the spectrum of abdominal CT findings in patients with SLE.
  • To determine the diagnostic value of abdominal CT in managing SLE patients.
  • To identify common indications for abdominal CT in this patient cohort.

Main Methods:

  • Retrospective evaluation of 65 abdominal CT scans from 54 SLE patients.
  • Correlation of CT findings with clinical records and patient history.

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  • Analysis of indications for abdominal CT, including suspected thrombosis and ischemia.

    • Main Results:

    • Suspected renal vein thrombosis (RVT) was the most frequent indication (80%) for abdominal CT.
    • CT identified RVT in seven patients, with five showing concurrent inferior vena cava thrombosis.
    • Other findings included mesenteric ischemia, lupus cystitis-related hydronephrosis, abdominal abscesses, and various incidental findings.

    Conclusions:

    • Abdominal CT plays a crucial role in diagnosing diverse complications in SLE patients.
    • Early detection of conditions like RVT through CT can facilitate prompt treatment and preserve renal function.
    • CT imaging aids in the comprehensive management of SLE patients with abdominal involvement.