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Case Reports
. 1994 Feb;153(2):95-7.
doi: 10.1007/BF01959215.

Neonatal allo-immune thrombocytopenia due to fetomaternal HPA-1 incompatibility of a homozygous HPA-1a mother and a homozygous HPA-1b father. A case report

R Moser  1 , I Fae, A Neumeister, M Pober, I Mutz, S Panzer
Affiliations
Case Reports

Neonatal allo-immune thrombocytopenia due to fetomaternal HPA-1 incompatibility of a homozygous HPA-1a mother and a homozygous HPA-1b father. A case report

R Moser et al. Eur J Pediatr. 1994 Feb.

Abstract

We report a case of neonatal allo-immune thrombocytopenia due to fetomaternal human platelet antigen (HPA)-1 incompatibility. Anit-HPA-1b antibodies were detectable in maternal serum. Repeated treatment of the infant with high-dose IgG effectively raised platelet counts transiently, but the patient remained thrombocytopenic for more than 6 weeks. Serological and DNA analysis revealed that the mother was homozygous HPA-1a and the father homozygous HPA-1b.

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