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Comparison of cytogenetic, FISH, microarray, and next-generation sequencing techniques

Comparison of cytogenetic, FISH, microarray, and next-generation sequencing techniques
Technique Cytogenetic analysis FISH analysis Microarray analysis Next-generation sequencing
Resolution 5 Mb 100 to 300 kb Variable to few kb Single nucleotide
Lower limit of detection 5% ~1 to 5% 15 to 20% 2 to 20%
Detects copy-neutral LOH No No Yes Maybe
Cell division required Yes No No No
Detects balanced translocations/inversions Yes Yes No Yes/No
Detects unbalanced aberrations, eg, deletions, unbalanced translocations Yes Yes Yes Yes/No
Detects multiple clones Yes Yes/No No Yes/No
Screen for novel lesions Yes No Yes Yes
FISH: fluorescence in situ hybridization; LOH: loss of heterozygosity.
Graphic 122979 Version 1.0