Stains
BG7



Topic Completed: 1 July 2013

Revised: 4 March 2019

Copyright: 2003-2015, PathologyOutlines.com, Inc.

PubMed Search: BG7
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Cite this page: Pernick N, Hamilton K. BG7. PathologyOutlines.com website. http://www.pathologyoutlines.com/topic/stainsBG7.html. Accessed March 22nd, 2019.
Definition / general
  • Also called BG-7, anti-Lex, Lewis X antibody
  • Physiology: recognizes the type 2 chain of the Lewis X blood group antigen
Uses by pathologists
Positive staining - normal
  • Granulocytes
  • Some endothelial cells or erythrocytes
Positive staining - disease
  • Bladder carcinoma
  • Reed-Sternberg cells (Cancer 1991;67:1338)
  • Granulocytic sarcoma
  • Rare epithelioid histiocytes
Negative staining
  • Interdigitating reticulum cell sarcoma
  • Langerhans cell histiocytoma
  • Malignant histiocytosis
  • Monoblastic leukemia
  • Reticulohistiocytoma
  • Most reactive lymph node conditions
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