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Table 2 Summary of the results of the different tissues

From: Discordant structural chromosomal aberrations in chorionic villi and amniotic fluid leading to a formation of an isochromosome 21: a case report

Fetal samples

Chorionic villus sampling

Amniocentesis

Uncultured cells

Cultured cells

Uncultured cells

Cultured cells

QF-PCR

Mosaic trisomy 21

-

Trisomy 21

aCGH

Duplication of 10p11.21pter

Duplication of 21

Karyotype

46,XY,der(21)t(10;21)(p11.21;q10)

46,XY, + 21,der(21;21)(q10;q10)

Maternal samples

Blood

Skin

NIPT

Increased risk for trisomy 21

QF-PCR

Normal

aCGH

Normal

Normal

Karyotype

46,XX

46,XX