purcsivle.perdanauniversity.edu.my file.php 17 his28 xla student copy stage 1

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Suspected Immunodeficiency case: Bill was well for the first 10 months of his life. In the next year he developed pneumonia once, had several episodes of otitis media (inflammation of the middle ear) and on one occasion developed erysipelas (streptococcal infection of the skin) on his right cheek. These infections were all treated successfully with antibiotics, however his mother who was a nurse was concerned with the frequent infections. His mother had 2 brothers who had died 30 years previously from pneumonia in their second year of life. She also had two sisters who are well, both with healthy children. Bill was a bright and active child who gained weight and developed normally but continued to have repeated infections of the ears and sinuses and twice again had pneumonia. At 2 years and 3 months his paediatrician carried out a number of tests to determine if he had an immune defect. What is the significance of the family history? What immune defect could Bill be suffering from and why?

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Suspected Immunodeficiency case:  Bill was well for the first 10 months of his life. In the next year he developed pneumonia once, had several episodes of otitis media (inflammation of the middle ear) and on one occasion developed erysipelas (streptococcal infection of the skin) on his right cheek. These infections were all treated successfully with antibiotics, however his mother who was a nurse was concerned with the frequent infections.  His mother had 2 brothers who had died 30 years previously from pneumonia in their second year of life. She also had two sisters who are well, both with healthy children.  Bill was a bright and active child who gained weight and developed normally but continued to have repeated infections of the ears and sinuses and twice again had pneumonia. At 2 years and 3 months his paediatrician carried out a number of tests to determine if he had an immune defect.  What is the significance of the family history?        What immune defect could Bill be suffering from and why?    

How would you test for these immunodeficiencies?