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Pathology

​(per College of American Pathologists 2012)

  • Specimen: specify 
    • Type
    • Procedure Site
  • Tumour: specify
    • Site
    • Maximum tumor size
    • Histologic type
    • Histologic grade
    • Microscopic tumour extension
    • Margins: proximal, distal, mesenteric, circumferential
    • Lymph nodes: number examined, number involved
    • Lymph-Vascular invasion
    • Macroscopic tumour perforation
    • pTNM (AJCC 7th Edition)
  • Additional pathologic findings of interest
  • Histologic features suggestive of Microsatellite Instability
    • Intratumoural lymphocyte response
    • Prominent peritumoural lymphocyte response
    • Tumour subtype: mucinous, medullary, high histologic grade
  • Immunohistochemistry studies for Mismatch Repair Proteins
    • hMLH1
    • hMSH2
    • hMSH6
    • hPMS2

SOURCE: Pathology ( )
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