Stains & CD markers

Topic Completed: 1 September 2013

Minor changes: 23 July 2021

Copyright: 2002-2021,, Inc.

PubMed Search: ROS1[title]

Nat Pernick, M.D.
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Cite this page: Pernick N. ROS1. website. Accessed October 21st, 2021.
Definition / general
Uses by pathologists
  • ROS1 immunostains are 100% sensitive and 92% specific for ROS1 rearrangements by FISH, making it an effective screening tool for lung adenocarcinoma (Am J Surg Pathol 2013;37:1441)
Microscopic (histologic) images

Images hosted on other servers:

Invasive ductal carcinoma (ROS1+, fig B)

Non small cell lung cancer

ROS1 rearranged lung tumors

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