Chromosome 9, tetrasomy 9p

OBJECTIVES To add to the knowledge of chromosomal abnormalities associated with Dandy-Walker malformation. METHODS Molecular… Expand

To date, approximately 30 patients have been described with a tetrasomy 9p, all being caused by the presence of an isochromosome… Expand

Abstract We report on a 16-year-old girl with tetrasomy 9p mosaicism. Clinical investigations disclosed a malformation syndrome… Expand

In a recent study Bugge etal1 and Kotzot etal2 reported that isochromosomes 18p originate mainly from maternal meiosis II… Expand

Tetrasomy 9p is a rare chromosomal aberration that was described in 28 previous patients. Here we report on a newborn girl who… Expand

Tetrasomy of the short(p) arm of chromosome 9 has been reported in few cases. Most of these children present with… Expand

The authors report on a patient with tetrasomy 9p and 9qh due a karyotype 47,XY,+dic(9)(q12) in lymphocytes and a normal… Expand

A fetus with multiple malformations was identified by prenatal ultrasound investigation. Cordocentesis and fetal lymphocyte… Expand

Cytogenetic analysis of an abnormal newborn girl showed an extra chromosome with the characteristics of an isodicentric 9p… Expand

A new patient with trisomy for the chromosome segment 9pter----q22 is compared to 19 previously reported cases of partial trisomy… Expand