oa Current Allergy & Clinical Immunology - Laboratory testing in primary immunodeficiency : PID123

Volume 28, Issue 3
  • ISSN : 1609-3607



In this, the third article in our series on primary immunodeficiency (PID), we continue with the story of Anathi, a 3-year old boy who has been admitted for investigations for recurrent respiratory infections and a current pneumonia. Of note, examination revealed failure to thrive and the absence of lymphoid tissue. Secondary causes for immunodeficiency were excluded. Previous infections had been predominantly bacterial. This, along with the presence of a positive family history, was suggestive of a possible antibody deficiency. Dr Goodheart proceeded with a stepwise approach to laboratory testing for primary immunodeficiency.

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