Case Report

A Prenatally Ascertained De Novo Terminal Deletion of Chromosomal Bands 1q43q44 Associated with Multiple Congenital Abnormalities in a Female Fetus

Table 2

Clinical features and genetic findings in one postnatal with a very similar deletion size and three prenatal reported cases with deletions spanning chromosomal region 1q41 to 1q44 and comparison with our case.

Rotmensch et al. [1]
prenatal
Chen et al. [2]
prenatal
Wagner et al. [3]
prenatal
van Bever et al. [4]
postnatal
Our case
prenatal

Karyotype46,XY,
del()(q41)
46,XX,
del()(q42.3)
46, XX,
del()(q43)
46, XY46, XX,
del()(q43q44)
Light microscopeDetectedDetectedDetectedNot detectedDetected
Array CGHNot performed13.4 MbNot performed7.7–8.1 8 Mb
Parental karyotypesNormalNormalNormalNormalNormal
Gestational age2nd trimester2nd and 3rd trimester1st and 2nd trimester2nd and 3rd trimester2nd and 3rd trimester
IUGR++++
Increased nuchal translucency/fold+
Nasal bone absence/hypoplasia++
Hyperechogenic bowel+
Single umbilical artery++
Omphalocele+
Microcephaly/micrencephaly*+**
Micrognathia/microgenia+**
Microretrognathia**
Cleft palate*
Hydrocephalus+
Cerebral anomalies+**
Corpus callosum agenesis/hypoplasia+*
Hypoplastic vermis**
Choroid plexus cysts+
Urogenital anomalies**
Cardiac anomaly++**
Fetopsy**+

Performed by microsatellite marker analysis; IUGR: intrauterine growth retardation.
—: not specifically mentioned or undetected; : initially detected at birth or after termination of pregnancy by observation only or fetopsy; : born; +: present.