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Войти в исследования Case reports in perinatal medicine · 2025
Duplication of chromosome 1q32.1q44: presented with ventriculomegaly and transient myeloproliferative disorder of the newborn.
Клинический случайСтатьяНазвание и аннотация: Перевод в очереди
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Goyal Medha, Nowaczyk Malgorzata Joanna, Breakey Vicky, McCready Elizabeth, Goswami Ipsita
Аннотация
OBJECTIVES: Partial trisomy of chromosome 1 has been reported following unbalanced translocations with partial monosomies of other chromosomes and rarely as a pure partial duplication. We aim to discuss partial trisomy 1q with cytogenetics and describe our findings of this uncommon chromosomal aneuploidy.
CASE PRESENTATION: A male term neonate presented with antenatal ventriculomegaly and early fetal growth restriction. He was dysmorphic at birth and his postnatal course was complicated by transient myeloproliferative disorder, neonatal seizures, skin rash, conjugated hyperbilirubinemia, and milk protein allergy. Etiological work-ups including congenital infections, immunological disorders, and inborn error of metabolisms were negative. The findings of transient myeloproliferative disorder in association with partial 1q trisomy which have not been previously described in the literature, raise the possibility of abnormal vasculature of generalized nature, resulting in cutis marmorata, signs of intestinal inflammation, and abnormal cerebral vascular supply.
CONCLUSIONS: This case study highlights the importance of pooling cases with similar locations of duplication, segment size, and related chromosomal deficiency together to understand distinct clinical phenotypes.
CASE PRESENTATION: A male term neonate presented with antenatal ventriculomegaly and early fetal growth restriction. He was dysmorphic at birth and his postnatal course was complicated by transient myeloproliferative disorder, neonatal seizures, skin rash, conjugated hyperbilirubinemia, and milk protein allergy. Etiological work-ups including congenital infections, immunological disorders, and inborn error of metabolisms were negative. The findings of transient myeloproliferative disorder in association with partial 1q trisomy which have not been previously described in the literature, raise the possibility of abnormal vasculature of generalized nature, resulting in cutis marmorata, signs of intestinal inflammation, and abnormal cerebral vascular supply.
CONCLUSIONS: This case study highlights the importance of pooling cases with similar locations of duplication, segment size, and related chromosomal deficiency together to understand distinct clinical phenotypes.