Stains & CD markers
Chloroacetate esterase


Last author update: 1 October 2013
Last staff update: 24 June 2021

Copyright: 2003-2024, PathologyOutlines.com, Inc.

PubMed Search: Chloroacetate esterase[title]

Nat Pernick, M.D.
Page views in 2023: 1,162
Page views in 2024 to date: 48
Table of Contents
Definition / general
Cite this page: Pernick N. Chloroacetate esterase. PathologyOutlines.com website. https://www.pathologyoutlines.com/topic/stainschloroacetate.html. Accessed December 4th, 2024.
Definition / general
  • Also called specific esterase, naphthol AS-D chloroacetate esterase
  • Useful for demonstrating myeloid differentiation, although negative in 25% of cases, particularly with immature granulocytic and monocytic neoplasms (Arch Pathol Lab Med 2005;129:32)
  • Enzyme cytochemistry-positive: AML-M1, M2, microgranular M3; granulocytic sarcomas, neutrophils
  • Enzyme cytochemistry-negative: ALL
Back to top
Image 01 Image 02