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1p,19q Oncology FISH
- Brain Tumor
Confirmation/identification of cancer-related alterations (associated with oligoglioma)
Fluorescence in situ hybridization (FISH) from formalin-fixed paraffin-embedded (FFPE) tissue (4-micron to 5-micron sections); H&E for pathology review.
Formalin-fixed paraffin block or fresh tissue (acceptable at additional charge)
Five slides (4- to 5-micron thick sections)
Three slides (4- to 5-micron thick sections)
Transport to the testing lab at room temperature; if fresh tumor specimen, sample must arrive in the laboratory within 72 hours of collection.
Maintain specimen at room temperature.
Causes for Rejection
Improper embedded prep; poor fixation <6 hours and >72 hours; decalcified tissue; broken or dirty slides; absence of tumor or quantity not sufficient for analysis.
There will be an additional charge for processing paraffin block samples or for samples that require culture.