Information on FISH panel

A FISH panel is designed to detect common chromosomal abnormalities in patients with CLL1

Prognostic significance* of chromosomal mutational status in CLL2

Unfavorable Neutral Favorable
Del 11q Normal chromosomes Del 13q (as the only abnormality)
Del 17p Trisomy 12  

*Relative to the time to progression, where therapy is required, and survival.2

 

Sample form for ordering FISH panels

ordering a FISH panel

This is one example of how an order form might look; forms may differ from lab to lab.

CLL=chronic lymphocytic leukemia, Del=deletion, FISH=fluorescence in situ hybridization, IGHV=immunoglobulin heavy-chain variable region gene.

Testing for IGHV mutational status

Mutational status of the immunoglobulin heavy-chain variable region gene (IGHV) also can help to predict outcomes in CLL.

How to order the test

References: 1. Hallek M, Cheson BD, Catovsky D, et al. iwCLL guidelines for diagnosis, indications for treatment, response assessment, and supportive management of CLL. Blood. 2018;131(25):2745-2760. 2. Referenced with permission from the NCCN Clinical Practice Guidelines in Oncology (NCCN Guidelines®) for Chronic Lymphocytic Leukemia/Small Lymphocytic Lymphoma V.4.2019. © National Comprehensive Cancer Network, Inc. 2019. All rights reserved. Accessed April 15, 2019. To view the most recent and complete version of the guideline, go online to NCCN.org. NCCN makes no warranties of any kind whatsoever regarding their content, use or application and disclaims any responsibility for their application or use in any way.

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