A 71-year-old man with recurrent pulmonary mycobacterial avium complex infections and lymphopenia

Mycobacterium avium complex (MAC) infections, generally viewed as opportunistic infections, often trigger an evaluation for an underlying immunodeficiency disorder. However, MAC infections can occur in patients who presumably are immunocompetent, particularly in those with an underlying structural l...

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Veröffentlicht in:Allergy and asthma proceedings 2020-01, Vol.41 (1), p.66-69
Hauptverfasser: Al-Shaikhly, Taha, Buckner, Frederick S., Altman, Matthew C., Ochs, Hans D., Ayars, Andrew G.
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container_issue 1
container_start_page 66
container_title Allergy and asthma proceedings
container_volume 41
creator Al-Shaikhly, Taha
Buckner, Frederick S.
Altman, Matthew C.
Ochs, Hans D.
Ayars, Andrew G.
description Mycobacterium avium complex (MAC) infections, generally viewed as opportunistic infections, often trigger an evaluation for an underlying immunodeficiency disorder. However, MAC infections can occur in patients who presumably are immunocompetent, particularly in those with an underlying structural lung disease. T-cell immunity plays a critical role in controlling MAC infection. We presented a case of lymphopenia, which complicated the clinical course of a pulmonary MAC infection in a patient who was negative for human immunodeficiency virus.
doi_str_mv 10.2500/aap.2020.41.190003
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subjects Abnormal Mitogen Study
Aged
Bacterial infections
Case reports
Diagnosis, Differential
Disease control
HIV
Human immunodeficiency virus
Humans
Idiopathic Cd4 Lymphopenia
Infections
Lung - pathology
Lung diseases
Lymphocyte Redistribution
Lymphocytes T
Lymphopenia
Male
Mens health
Mycobacterium avium Complex - physiology
Mycobacterium avium-intracellulare Infection - diagnosis
Mycobacterium avium-intracellulare Infection - immunology
Pulmonary Mycobacterial Avium Complex Infection
rifabutin
rifampin
Rifamycins
Secondary Immunodeficiency
Th1 Polarization
Viruses
title A 71-year-old man with recurrent pulmonary mycobacterial avium complex infections and lymphopenia
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