Blood Group Discrepancy in a Donor Due to a Rare Ax/Aweak Subgroup Phenotype with ABO*AW.31.01/*O.01.75 Genotype

Author:

Babaria Sneha Samir1,Purohit Asha2,Patel Vidhi S.3

Affiliation:

1. Department of Pathology, Dr. N. D. Desai Faculty of Medical Science and Research, Dharmsinh Desai University, Nadiad, Gujarat, India

2. Department of Pathology, GCS Medical College, Hospital and Research Centre, Ahmedabad, Gujarat, India

3. Department of Pathology, Ananya College of Medicine and Research, Gandhinagar, Gujarat, India

Abstract

ABSTRACT The most crucial blood group system in transfusion medicine is still the ABO system. Any unresolved discrepancy could result in the patient receiving blood that is incompatible and could trigger acute intravascular hemolysis. ABO subgroups are one of the astounding differences in blood grouping. The amount of A and B antigens carried by red blood cells and present in secretion varies depending on the ABO subgroup phenotype. Clinically, A1 and A2 are the two most frequently observed subtypes. Many weaker A subgroups have been described, including A3, Axe, am, and el. This example involves an Indian male donor who was initially misclassified as a Group O individual before being identified as an Ax/Aweak subgroup phenotypically. The next-generation sequencing defined the genotype of this case as ABO*AW.31.01/*O.01.75.

Publisher

Medknow

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