The pathology of large-vessel vasculitides

Dylan V Miller1, Joseph J Maleszewski

  • 1Intermountain Medical Center & University of Utah, Murray, USA. dylan.miller@imail.org

Insights

This review details the pathology of large-vessel vasculitis affecting the aorta and its branches. It covers conditions like giant cell arteritis, Takayasu arteritis, and inflammatory aneurysms, focusing on their morphological features.

Area of Science:

  • Pathology
  • Vascular Medicine
  • Rheumatology

Background:

  • Large-vessel vasculitis affects the aorta and its main branches.
  • It encompasses diseases such as giant cell arteritis and Takayasu arteritis.
  • Rarely, it can be a complication of other autoimmune and infectious diseases.

Purpose of the Study:

  • To review the morphologic pathology of large-vessel vasculitis.
  • To focus on specific conditions including giant cell arteritis, Takayasu arteritis, and idiopathic aortitis.
  • To discuss lymphoplasmacytic aortitis and inflammatory aneurysms, including their association with IgG4-related conditions.

Main Methods:

  • This is a review article, synthesizing existing literature.
  • Focuses on morphologic and pathological aspects.
  • Integrates recent findings on IgG4-related aortitis and inflammatory aneurysms.

Main Results:

  • Large-vessel vasculitis presents diverse pathologies.
  • Giant cell arteritis and Takayasu arteritis are primary forms.
  • IgG4-related aortitis and inflammatory aneurysms represent a distinct, emerging category.

Conclusions:

  • Understanding the morphology of large-vessel vasculitis is crucial for diagnosis and management.
  • The spectrum of these diseases is broad, including autoimmune, infectious, and IgG4-related conditions.
  • Further research into IgG4-related aortitis and inflammatory aneurysms is warranted.

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