Newly Diagnosed Chronic Lymphocytic Leukemia During Symptomatic COVID-19 : Two Cases
Copyright © 2022 International Federation of Clinical Chemistry and Laboratory Medicine (IFCC). All rights reserved..
Patients suffering from malignant diseases have a high risk of developing severe or critical forms of COVID-19 (Coronavirus Disease 2019). Chronic lymphocytic leukaemia (CLL) is characterized by dysregulated adaptive and innate immune responses, because both T and B cells, the function of phagocytes and the activity of the complement system may be affected. Severe SARS-CoV-2 infection also influences the immunological functions mainly via causing the depletion of CD4+ and CD8+ T cells. We present the cases of two patients, whose de novo CLL were observed during severe COVID-19 pneumonia. A 43-year-old man with IDDM (Insulin dependent diabetes mellitus) was sent to hospital in February 2021. He had a bilateral severe COVID-19 pneumonia. There was a suspected sign of malignancy on a thoracic vertebra in his chest CT, and haematological consultation was requested. In parallel, a 53-year-old man was hospitalized in March of 2021 because of severe COVID-19 pneumonia. CLL was suspected based on his haematology test results (WBC: 123 G/L, lymphocytes: 91%, haemoglobin: 107 g/L). Flow cytometric analysis revealed CLL in both cases. Based on the result of the molecular genetic tests, the first patient had a good prognosis in Rai 0 stage, while the other patient suffered from Rai I stage with a worse prognosis. Both patients recovered from bilateral COVID-19 pneumonia without the need for intensive care unit treatment. The follow-up of these CLL patients that manifested during symptomatic COVID-19 disease further enriched our knowledge on such clinical conditions where the immune system is dysfunctional due to different simultaneous causes.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:33 |
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| Enthalten in: |
EJIFCC - 33(2022), 2 vom: 24. Aug., Seite 187-193 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Papp, Enikő [VerfasserIn] |
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| Themen: |
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| Anmerkungen: |
Date Revised 02.11.2022 published: Electronic-eCollection Citation Status PubMed-not-MEDLINE |
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| Förderinstitution / Projekttitel: |
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| 520 | |a Patients suffering from malignant diseases have a high risk of developing severe or critical forms of COVID-19 (Coronavirus Disease 2019). Chronic lymphocytic leukaemia (CLL) is characterized by dysregulated adaptive and innate immune responses, because both T and B cells, the function of phagocytes and the activity of the complement system may be affected. Severe SARS-CoV-2 infection also influences the immunological functions mainly via causing the depletion of CD4+ and CD8+ T cells. We present the cases of two patients, whose de novo CLL were observed during severe COVID-19 pneumonia. A 43-year-old man with IDDM (Insulin dependent diabetes mellitus) was sent to hospital in February 2021. He had a bilateral severe COVID-19 pneumonia. There was a suspected sign of malignancy on a thoracic vertebra in his chest CT, and haematological consultation was requested. In parallel, a 53-year-old man was hospitalized in March of 2021 because of severe COVID-19 pneumonia. CLL was suspected based on his haematology test results (WBC: 123 G/L, lymphocytes: 91%, haemoglobin: 107 g/L). Flow cytometric analysis revealed CLL in both cases. Based on the result of the molecular genetic tests, the first patient had a good prognosis in Rai 0 stage, while the other patient suffered from Rai I stage with a worse prognosis. Both patients recovered from bilateral COVID-19 pneumonia without the need for intensive care unit treatment. The follow-up of these CLL patients that manifested during symptomatic COVID-19 disease further enriched our knowledge on such clinical conditions where the immune system is dysfunctional due to different simultaneous causes | ||
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