Case Report

A Neonatal Patient Diagnosed with Chromosome 18p 11.1 Microdeletion Syndrome Presented with Trisomy 18Like Phenotype

Table 1

Different cases depicting the (epi) genotypical profiles of various genetic diseases or malformative syndromes (contiguous gene syndromes).

Present caseSerra et al. [11]Piro et al. [12]Serra et al. [13]Serra et al. [14]

Genetic test performedKaryotyping and FISHMethylation sensitive—multiplex ligation-dependent probe amplification (MS-MLPA)Array comparative genomic hybridization (a-CGH)Array comparative genomic hybridization (a-CGH)Array comparative genomic hybridization (aCGH)
Genotype18p 11.1 microdeletionHypomethylation of KCNQ1OT1, with a normal pattern of methylation of the imprinting center (IC) 12q13 deletion of 1.7 Mb19p13.3 microdeletion, of 1.27 Mb and including MAP 2 K2 geneTerminal deletion at 11q24.1-q25
Phenotype resemblingTrisomy 18Beckwith–Wiedemann syndrome2q13 deletionCardio-facio-cutaneous syndrome (CFCS)Jacobsen syndrome