J Korean Soc Neonatol.  1998 Jun;5(1):117-120.

A Case of Saethre - Chotzen Syndrome

Abstract

Anti-HLA antibody related neonatal thrombocytopenia is an uncommon disorder caused by platelet antigen incompatibility between mother and fetus in Korea. Mothers who lack the specific platelet antigen produce the IgG against the platelet antigen which the fetus inherits from the father. These IgG antibodies are then transported across the placenta into the fetal circulation where they lead to the destruction of fetal platelets. We report a case of neonatal alloimmune thrombocytopenia related with anti-HLA antibody in second baby of dizygotic twin who had petechia on trunk and platelet count 43,000/mm. Initially, mother and twin showed the positives in antiplatelet antibodies. In microlym- phocytotoxic test at 6 months of age, anti-HLA antibodies was negative in twins but anti-HLA A2, A24 was positive in their mother. The patient was treated with intravenous immunoglobulin and clinically improved and her platelet count was norrnalized.

Keyword

Neonate; Alloimmune Thromocytopenia; Anti-HLA Antibody

MeSH Terms

Acrocephalosyndactylia*
Antibodies
Blood Platelets
Fathers
Fetus
Humans
Immunoglobulin G
Immunoglobulins
Infant, Newborn
Korea
Mothers
Placenta
Platelet Count
Thrombocytopenia, Neonatal Alloimmune
Twins
Twins, Dizygotic
Antibodies
Immunoglobulin G
Immunoglobulins
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