Table 1.
Fetus genetic findings | Fetus 14 | Fetus 1 | Fetus 2 | Fetus 3 | Fetus 4 | Fetus 5 | Fetus 6 | |||
Female | Male | Female | Male | Male | Male | Female | ||||
Rearrangement (size in Mb) | delXp22.2-Xp23.2 (7.2) | dupXp22.33-Xp22.32 (1.93) | del6q27 (0.78) | dup2q32.1-2q32.2 (0.39) | del16q12.11 (0.10) | dup3q26.1 (0.51) | del3p26.3 (0.07) | del4q31.23 (0.18) | dup4q13.3 (0.25) | dup8q24.3 (0.09) |
De novo | Yes | Yes | Yes | n.t. | n.t. | n.t. | n.t. | n.t. | n.t. | n.t. |
1st and last Mutated SNP | rs5915786 | rs5916528 | rs9383520 | rs7424417 | rs4967746 | rs4680608 | rs9840732 | rs17023845 | rs1381015 | rs7819263 |
rs5978478 | rs7881910 | rs12530134 | rs997277 | rs16952589 | rs2863381 | rs9856251 | rs13129809 | rs10028486 | rs10112201 | |
Flanking SNPs | rs6530416 | Telomer | rs9478086 | rs7574262 | rs12930613 | rs1355538 | rs3843386 | rs6845560 | rs11941162 | rs3824233 |
rs1526798 | rs7391672 | Telomer | rs1516445 | rs11863453 | rs10936492 | rs172171 | rs10025443 | rs714825 | rs6578185 | |
RefSeq genes affected | 23 | 10 | 13 | 2 | 1 | 1 | 1 | 1 | 2 | 2 |
Phenotypic findings | Callosal agenesis | Isolated symmetric internal hydrocephalus | Isolated symmetric internal hydrocephalus | ACC, colpocephaly and missing septum pellucidi | ACC, hydrocephalus, hypoplastic cerebellum, suspected lissencephaly | Macrocephaly, internal hydrocephalus | Alobar holoprosencephaly | |||
Prenatal karyotyping | Yes, microdeletion Xp22.2-p23.2 | Yes, no results available | Yes, normal | Yes, normal | Yes, normal | Yes, normal | Yes, normal | |||
Fetus genetic findings | Fetus 7 | Fetus 8 | Fetus 9 | Fetus 10 | Fetus 11 | Fetus 12 | Fetus 13 | |||
Female | Male | Male | Female | Female | Male | Male | ||||
Rearrangement (size in Mb) | dup9p23 (1.25) | del18p11.21 (0.19) | dup2q37.3 (0.10) | dup3q13.32 (0.08) | dup17p11.2-17p12 (2,43) | del16p12.2 (0.57) | del6p25.1-6p25.3 (4,65) | dupXp22.11 (0.21) | ||
De novo | n.t. | n.t. | n.t. | n.t. | n.t. | No paternal inheritance | Yes | Maternal | ||
1st and last mutated SNP | rs12552479 | rs522631 | rs4676385 | rs4687836 | rs4792576 | rs670841 | rs6930285 | rs5925934 | ||
rs1335475 | rs1592643 | rs2288750 | rs2917080 | rs4646341 | rs8062140 | rs808601 | rs10521917 | |||
Flanking SNPs | rs1441400 | rs496485 | rs2975778 | rs9878706 | rs9907064 | rs8054407 | Telomer | rs7879340 | ||
rs7038987 | rs9960249 | rs4234121 | rs2903301 | rs12449964 | rs9928431 | rs3804547 | rs6526366 | |||
RefSeq genes affected | 2 | 1 | 2 | 1 | 42 | 7 | 35 | 4 | ||
Phenotypic findings | DWM, microcephaly, hydrocephalus | Occlusive hydrocephalus | Internal hydrocephalus | DWM | ACC, asymmetry of the ventricles, hypoplastic cerebellum, interhemispheric cysts, median shift | DWM | ACC | |||
Prenatal karyotyping | Yes, normal | No | Yes, no results available | Only FISH analysis, normal | Yes, normal | Yes, normal | Yes, normal |
ACC agenesis of the corpus callosum, DWM Dandy-Walker malformation, FISH fluorescence in situ hybridization, n.t. not tested