Prenatal diagnosis of Pallister-Killian syndrome in young woman: ultrasound indicators and confirmation by FISH
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We report the first case of Pallister-Killian syndrome diagnosed prenatally in Western Balkan region where one of the ultrasound markers was intrauterine growth restriction. During routine ultrasound control of the pregnancy at 21st gestation week (second pregnancy of the 25 year old woman) symmetrical intrauterine growth restriction (IUGR), short long bones, ventriculomegaly and oligoamnion were noted. Amniotic fluid was examined cytogenetically. Fetal karyotype obtained by GTG banding of amniocytes revealed mosaic female karyotype 46,XX/47,XX,+mar (F-like). C-banding indicated that F-like marker does not belong to F, E or G chromosomal group. Employing targeted FISH with arm-specific probe for chromosome 12, tetrasomy 12p was confirmed. Fetal lymphocytes revealed normal female karyotype. This case showed that i(12p) could be found in pregnancy of young woman, not only in those of advanced age, as usually reported in the literature. This case also showed that intrauterine growth restr...iction could be one of the ultrasound markers associated with Pallister-Killian syndrome.
Кључне речи:Prenatal diagnosis / IUGR / Amniocentesis / Tetrasomy 12p
Извор:Archives of Gynecology and Obstetrics, 2009, 279, 3, 377-379
- Serbian Ministry of Science and Environmental Protection