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Author: Mikael Häggström [notes 1]


Gross processing

A minimal gross processing of arteries includes a longitudinal dissection and inspection of tunica intima.

Consecutive cross-sections allows for a detection and estimation of atherosclerotic stenosis.

Plaque at different degrees of atherosclerotic stenosis.

Microscopic examination

  • Look for atherosclerosis and thrombosis.
  • Classify atherosclerosis as mild, moderate or severe.
  • If cross-sections were made, estimate the maximum percentage of occlusion for each artery.

Microscopy report

  • Classify any atherosclerosis as mild, moderate or severe.
  • If cross-sections were made, state the maximum percentage of stenosis for each artery.


Sections of the three main coronary arteries reveal << mild / moderate / severe>> atherosclerosis, with approximately __%, __% and __% stenosis of the left anterior descending, left circumflex coronary artery and right coronary artery, respectively.


  1. For a full list of contributors, see article history. Creators of images are attributed at the image description pages, seen by clicking on the images. See Patholines:Authorship for details.

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  1. 1.0 1.1 1.2 1.3 1.4 Yang, Wen Jie; Fisher, Mark; Zheng, Lu; Niu, Chun Bo; Paganini-Hill, Annlia; Zhao, Hai Lu; Xu, Yun; Wong, Ka Sing; et al. (2017). "Histological Characteristics of Intracranial Atherosclerosis in a Chinese Population: A Postmortem Study ". Frontiers in Neurology 8. doi:10.3389/fneur.2017.00488. ISSN 1664-2295.