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Association of nonimmune hydrops fetalis with familial hemophagocytic lymphohistiocytosis in identical twin neonates with perforin His222Arg (c665A>G) mutation.
Клинический случайСтатьяПоддержка исследования: вне правительства СШАTwin StudyНазвание и аннотация: Перевод в очереди
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Balta Gunay, Topcuoglu Sevilay, Gursoy Tugba, Gurgey Aytemiz, Ovali Fahri
Аннотация
BACKGROUND: This is the first study demonstrating that nonimmune hydrops fetalis (NIHF) in identical twin neonates is associated with biallelic gene defect causing familial hemophagocytic lymphohistiocytosis.
OBSERVATIONS: Preterm male twins (31(4/7) wk) with NIHF and hepatosplenomegaly gradually developed pancytopenia, hyperferritinemia, hyponatremia, hypoalbuminemia, and elevated alanine aminotransferase, aspartate aminotransferase, bilirubin, and lactate dehydrogenase levels. Suspected sepsis led to antibiotic therapy. Upon detection of hemophagocytosis in bone marrow, multiorgan failure and pulmonary bleeding led to death. Homozygous His222Arg (c665A>G) mutation was identified in Perforin.
CONCLUSIONS: Familial hemophagocytic lymphohistiocytosis should be considered in first days of NIHF cases to have chance for HLH-2004 therapy. Missense mutations of Perforin codon His222 may lead to intrauterine presentation.
OBSERVATIONS: Preterm male twins (31(4/7) wk) with NIHF and hepatosplenomegaly gradually developed pancytopenia, hyperferritinemia, hyponatremia, hypoalbuminemia, and elevated alanine aminotransferase, aspartate aminotransferase, bilirubin, and lactate dehydrogenase levels. Suspected sepsis led to antibiotic therapy. Upon detection of hemophagocytosis in bone marrow, multiorgan failure and pulmonary bleeding led to death. Homozygous His222Arg (c665A>G) mutation was identified in Perforin.
CONCLUSIONS: Familial hemophagocytic lymphohistiocytosis should be considered in first days of NIHF cases to have chance for HLH-2004 therapy. Missense mutations of Perforin codon His222 may lead to intrauterine presentation.