Rare presentation of mixed autoimmune hemolytic anemia in children: Report of 2 cases

Preeti Rai; Geetika Sharma; Deeksha Singh; Jyoti Garg

doi:10.4103/JLP.JLP_95_17

Journal of Laboratory Physicians, Inhaltsverzeichnis

CC BY-NC-ND 4.0 · J Lab Physicians 2017; 9(04): 332-336
DOI: 10.4103/JLP.JLP_95_17

Case Report

Rare presentation of mixed autoimmune hemolytic anemia in children: Report of 2 cases

Preeti Rai

Department of Pathology, Lady Hardinge Medical College and Associated Hospitals, New Delhi, India

,

Geetika Sharma

Department of Pathology, Lady Hardinge Medical College and Associated Hospitals, New Delhi, India

,

Deeksha Singh

Department of Pathology, Lady Hardinge Medical College and Associated Hospitals, New Delhi, India

,

Jyoti Garg

Department of Pathology, Lady Hardinge Medical College and Associated Hospitals, New Delhi, India

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Abstract

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Abstract

Immune hemolytic anemia is characterized by clinical and laboratory features of hemolytic anemia with direct antiglobulin test (DAT) positivity. It could be autoimmune hemolytic anemia (AIHA), alloimmune, or drug-induced hemolysis based on the antigenic stimulus. Furthermore, based on thermal amplitude of autoantibody, AIHA is classified as warm (65%), cold (30%), and mixed (5%) type. Mixed AIHA is extremely rare in children and must be differentiated from warm AIHA with clinically insignificant cold agglutinins and cold hemagglutinin disease as their treatment is different. It may present as blood group discrepancy or cross-match incompatibility leading to delay in arranging suitable blood unit for transfusion. Therefore, a thorough immunohematology workup including monospecific DAT, indirect antiglobulin test at 4°C and 37°C, determination of thermal amplitude and titer is essential. We hereby present two pediatric cases of mixed AIHA presenting as ABO forward and reverse blood group discrepancy and cross-match incompatibility.

Key words

Autoantibody - autoimmune hemolytic anemia - best match blood - direct antiglobulin test - transfusion

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Referenzen

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