M J Hajianpour

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Trisomy 16, once thought to result uniformly in early pregnancy loss, has been detected in chorionic villus samples (CVS) from on-going pregnancies and was initially ascribed to a second, nonviable pregnancy. Prenatally detected trisomy 16 in CVS and its resolution to disomy has led to the reexamination of the viability of trisomy 16. This study evaluates(More)
Monosomy of the entire short arm of chromosome 18 as a result of an 18;acrocentric whole arm translocation has been reported in over 20 patients, 3 of which were familial. The centromeric origin in de novo cases has not been characterized. We report molecular cytogenetic studies of two prenatally-detected de novo cases. Amniocenteses were performed because(More)
We report on a 30-year-old women with de novo ring chromosome 12 mosaicism, 46,XX, r(12)(p13.3q24.3)/46,XX. In addition to the clinical manifestations generally observed in "ring syndrome" cases such as growth retardation, short stature, microcephaly, and mental deficiency, she had a broad nasal bridge, micrognathia with overbite, underdeveloped breasts,(More)
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