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An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis
06:35

An Immunohistopathologic Study to Profile the Folate Receptor Beta Macrophage and Vascular Immune Microenvironment in Giant Cell Arteritis

Published on: February 8, 2019

Recent advances in diagnostic strategies for giant cell arteritis

Tanaz A Kermani1, Kenneth J Warrington

  • 1Division of Rheumatology, Mayo Clinic College of Medicine, 200 First Street SW, Rochester, MN 55905, USA. Kermani.Tanaz@mayo.edu

Current Neurology and Neuroscience Reports
|December 30, 2011
PubMed

Insights

Giant cell arteritis (GCA) diagnosis relies on temporal artery biopsy. Advanced imaging aids GCA diagnosis, especially for large-vessel involvement when biopsy is negative, preventing irreversible vision loss.

Area of Science:

  • Rheumatology
  • Ophthalmology
  • Vascular Medicine

Background:

  • Giant cell arteritis (GCA) is a systemic vasculitis affecting major arteries.
  • Ciliary artery involvement can cause irreversible ischemic optic neuropathy and blindness.
  • Prompt glucocorticoid treatment is crucial to prevent vision loss, necessitating accurate diagnosis.

Purpose of the Study:

  • To review diagnostic methods for Giant cell arteritis.
  • To evaluate the role of imaging in GCA diagnosis.
  • To highlight the limitations of current diagnostic tools.

Main Methods:

  • Review of clinical features and laboratory findings in GCA.
  • Discussion of histopathologic examination of the superficial temporal artery (TA).
  • Evaluation of various imaging modalities for temporal artery assessment.

Main Results:

  • Clinical and laboratory findings for GCA lack sensitivity and specificity.
  • Temporal artery biopsy remains the gold standard for GCA diagnosis.
  • Advanced imaging modalities show promise as adjuncts, particularly for large-vessel GCA.

Conclusions:

  • Accurate diagnosis of GCA is essential due to the risks of prolonged glucocorticoid therapy.
  • While TA biopsy is standard, noninvasive imaging offers valuable diagnostic support.
  • Imaging advancements are improving GCA detection in cases with atypical presentations or negative biopsies.

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