Fluorescent In Situ Hybridization (FISH) technique is used to detect numerical as well as minor structural rearrangements on all the above tissues to confirm or identify a known genetic problem prior discussion with the lab is essential.
Currently it is available for fetal aneuploidy, micro-deletion syndromes and oncology mainly haematological malignancies.
13,18,21 and sex
Prenatal and postnatal, sperm, oocytes
BCR / ABL
PML / RARA
13q 14 region
Ambiguous genitalia & Sex Chromosomal abnormalities