Probes: Centromere X | Centromere Y
Note: Testing is performed only on a global basis at this time.
Disease(s): Molar pregnancy (hydatidiform mole), partial mole, triploidy
Along with morphological exam, FISH for chromosomes X and Y can be useful in differentiating true molar pregnancy (46, XX) from partial molar triploid pregnancy (69, XXY or XYY).
- Fresh, unfixed tissue: N/A
- Paraffin block: Send paraffin block
Use cold pack for transport, making sure cold pack is not in direct contact with specimen.