A 45-year-old man with elevated levels of immunoglobulin A.

Autor: Liang, Emily H., Lim, Kellie, Samant, Shefali A., Sheikh, Javed
Předmět:
Zdroj: Allergy & Asthma Proceedings; Sep/Oct2018, Vol. 39 Issue 5, p394-397, 4p
Abstrakt: Quantitative immunoglobulin tests are often ordered as part of the initial evaluation for suspected immune deficiency. Although alterations in immunoglobulin levels can explain recurrent infections, in a patient without symptoms, there are a variety of other factors that can alter immunoglobulin levels. Common causes for elevated immunoglobulin A levels include malignancy and hepatic impairment in addition to a variety of infiltrative, infectious, and inflammatory diseases. We present a case of a 45-year-old man with a history of recurrent sinopulmonary symptoms without bacterial infection found to have an isolated elevated level of immunoglobulin A. [ABSTRACT FROM AUTHOR]
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