Desmoplastic small round cell tumour

Available test Fluorescence in situ hybridisation analysis for EWSR1 t(22q12;)
Clinical details: 
Desmoplastic small round cell tumour is characterised by rearrangement involving EWSR1, and FISH analysis to detect this rearrangements can be useful to establish the diagnosis when used alongside histology and immunohistochemistry.
Synonyms or keywords: 
Desmoplastic small round cell tumour, DSRCT, EWS, EWSR1
Sample type and Volume required: 
FFPE tissue sections – 3-4µm sections on unstained Apes slides with appropriate IHC/H&E slide for correlation
Turnaround time: 
Current service turnaround times: Urgent 2-7 calendar days; Non-urgent 5-10 calendar days; National targets: Urgent samples 95% reported within 14 days; Non-urgent 95% reprted within 21 days
Oncology Cytogenetics Laboratory at Guy's Hospital
Genetics Department
Tower Wing - 5th Floor
Guy's Hospital
Great Maze Pond
London SE1 9RT

T: 020 7188 1715
For clinical advice or interpretation of results, please contact the laboratory in the first instance.

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Last updated: 07/08/2015