Detection of red cell alloantibody prior to overflow phenomenon in a case of warm AIHA secondary to Chronic Lymphocytic Leukemia and Myasthenia Gravis : A case report
Copyright © 2023 Société française de transfusion sanguine (SFTS). Published by Elsevier Masson SAS. All rights reserved..
INTRODUCTION: Defects in the lymphoid system have been linked to immune dysregulation, which might explain why lymphoid neoplasms and immunological disorders tend to occur concurrently. Chronic Lymphocytic Leukemia (CLL), characterised by the accumulation of dysfunctional lymphocytes, is associated with autoimmune cytopenias such as autoimmune haemolytic anaemia (AIHA). Detection of underlying alloantibody in warm AIHA, is challenging for any transfusion medicine specialist. This report highlights the significance of overflow phenomenon in detection of alloantibody in a case of warm AIHA secondary to CLL and myasthenia gravis.
CASE REPORT: A 56-year-old male with a history of myasthenia gravis and thymoma progressed to B-cell CLL presented with severe anaemia and thrombocytopenia leading to multiple red blood cell (RBC) transfusions in the last two months. Clinical profile and laboratory workup suggested features of AIHA, and subsequent immunohaematological workup hinted towards an impending overflow phenomenon due to differential reactivity pattern observed between serum and eluate with antibody screen/identification panel. The eluate was pan-reactive with an antibody screen/ identification panel, while the serum showed a discrete anti-C alloantibody pattern. A compatible and antigen-negative RBC unit was successfully transfused, followed by medical management.
DISCUSSION: The overflow phenomenon in AIHA depends on antibody titre and its affinity for RBC antigens. In the index case, the impending 'overflow or spillover' of autoantibodies into the patient's serum allowed us to detect underlying alloantibody without performing allogeneic adsorption and transfuse antigen-negative and crossmatch compatible PRBC unit.
CONCLUSION: This case emphasises the significance of understanding the overflow phenomenon in AIHA as it can guide a transfusion medicine specialist in the early detection and identification of underlying alloantibodies, which is crucial for appropriate transfusion management in AIHA. However, early presentation and timely workup, along with a high level of suspicion, is crucial to identify this phenomenon.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2023 |
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| Erschienen: |
2023 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:30 |
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| Enthalten in: |
Transfusion clinique et biologique : journal de la Societe francaise de transfusion sanguine - 30(2023), 4 vom: 01. Nov., Seite 449-453 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bava, Davood [VerfasserIn] |
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| Links: |
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| Themen: |
Anti-C alloantibody |
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| Anmerkungen: |
Date Completed 30.10.2023 Date Revised 30.10.2023 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.tracli.2023.09.001 |
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| Förderinstitution / Projekttitel: |
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| 245 | 1 | 0 | |a Detection of red cell alloantibody prior to overflow phenomenon in a case of warm AIHA secondary to Chronic Lymphocytic Leukemia and Myasthenia Gravis |b A case report |
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| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2023 Société française de transfusion sanguine (SFTS). Published by Elsevier Masson SAS. All rights reserved. | ||
| 520 | |a INTRODUCTION: Defects in the lymphoid system have been linked to immune dysregulation, which might explain why lymphoid neoplasms and immunological disorders tend to occur concurrently. Chronic Lymphocytic Leukemia (CLL), characterised by the accumulation of dysfunctional lymphocytes, is associated with autoimmune cytopenias such as autoimmune haemolytic anaemia (AIHA). Detection of underlying alloantibody in warm AIHA, is challenging for any transfusion medicine specialist. This report highlights the significance of overflow phenomenon in detection of alloantibody in a case of warm AIHA secondary to CLL and myasthenia gravis | ||
| 520 | |a CASE REPORT: A 56-year-old male with a history of myasthenia gravis and thymoma progressed to B-cell CLL presented with severe anaemia and thrombocytopenia leading to multiple red blood cell (RBC) transfusions in the last two months. Clinical profile and laboratory workup suggested features of AIHA, and subsequent immunohaematological workup hinted towards an impending overflow phenomenon due to differential reactivity pattern observed between serum and eluate with antibody screen/identification panel. The eluate was pan-reactive with an antibody screen/ identification panel, while the serum showed a discrete anti-C alloantibody pattern. A compatible and antigen-negative RBC unit was successfully transfused, followed by medical management | ||
| 520 | |a DISCUSSION: The overflow phenomenon in AIHA depends on antibody titre and its affinity for RBC antigens. In the index case, the impending 'overflow or spillover' of autoantibodies into the patient's serum allowed us to detect underlying alloantibody without performing allogeneic adsorption and transfuse antigen-negative and crossmatch compatible PRBC unit | ||
| 520 | |a CONCLUSION: This case emphasises the significance of understanding the overflow phenomenon in AIHA as it can guide a transfusion medicine specialist in the early detection and identification of underlying alloantibodies, which is crucial for appropriate transfusion management in AIHA. However, early presentation and timely workup, along with a high level of suspicion, is crucial to identify this phenomenon | ||
| 650 | 4 | |a Case Reports | |
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Anti-C alloantibody | |
| 650 | 4 | |a Autoimmune haemolytic anaemia (AIHA) | |
| 650 | 4 | |a Chronic lymphocytic leukaemia (CLL) | |
| 650 | 4 | |a Myasthenia Gravis | |
| 650 | 4 | |a Overflow phenomenon | |
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| 650 | 7 | |a Autoantibodies |2 NLM | |
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| 700 | 1 | |a Mandal, Saptarshi |e verfasserin |4 aut | |
| 700 | 1 | |a Rohila, Amit Kumar |e verfasserin |4 aut | |
| 700 | 1 | |a Mittal, Siddharth |e verfasserin |4 aut | |
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