Common variable immunodeficiency

Summary of Common variable immunodeficiency
Common variable immunodeficiency is the most commonly diagnosed primary immunodeficiency that results in a defect in B-cell maturation. It is characterized by low antibody and plasma cell levels. It usually presents after age 2 and may be considerably delayed. There is an increased risk of autoimmune disease, bronchiectasis, lymphoma, and sinopulmonary infections. 

Assessments
Common variable immunodeficiency

Flashcards

0 / 9 complete

Questions

1 / 1 complete
High Yield Notes
10 pages
Flashcards

Common variable immunodeficiency

9 flashcards
Preview

Immunoglobulin levels (decrease/increase) in common variable immunodeficiency.

Questions

USMLE® Step 1 style questions USMLE

1 questions
Preview

A 17-year-old boy comes to the office because of repeated upper and lower respiratory tract infections. He says that he has also been having recurrent lower abdominal pain and has on occasion, noticed blood and mucus in his stools. Within the last four years, he has lost 5-kg (11-lb) and feels like he has been sick "the whole time." His mother has a history of low IgA levels. Which of the following is the most likely diagnosis?

External References