Korean J Blood Transfus.  2000 Dec;11(2):189-193.

A Case of Partial-D Category Va

  • 1Department of Clinical Pathology, College of Medicine, Hanyang University, Seoul, Korea.


The patient, a 65-year-old woman, was admitted for chronic subdural hematoma. ABO and Rh blood typing were performed as a pre-operation test. Her red blood cells were not agglutinated with anti-D reagent (Ortho Diagnostic System, USA). But they were positive in subsequently performed weak-D test and also agglutinated with three other anti-D reagents (Baxter Dade, USA; Biotest Diagnostics, Korea; Bioscot Ltd., UK). The patient s Rh phenotype was CcDe. Antibody screening test, direct and indirect antiglobulin tests showed negative results. Different reactivity to various anti-D reagents as shown in this case suggested that her cells have partial-D antigen which lack one or more components of the Rh D antigen. We considered that this case was category Va according to the reactivity patterns of monoclonal anti-D antibodies with various partial- D cells.


Anti-D typing; Partial-D; Rh D antigen
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