Summary of Complement deficiency
Flashcards on Complement deficiency
The complement deficiency associated with recurrent severe pyogenic respiratory tract infections and increased risk for type III hypersensitivity reactions is .
Questions on Complement deficiency
A 4-year-old boy is brought to the emergency department with a chief complaint of severe pain over his right cheek and upper jaw. The cheek area is warm, red, and tender to palpation. Patient's mother states that the child has nasal congestion and white 'pus-like' nasal discharge. Patient's mother reports that the patient has always been prone to infections, and is ill multiple times each year. Most recently the patient was hospitalized with post-infectious glomerulonephritis which he developed after another upper respiratory tract infection. Laboratory tests show elevated white blood cell count with neutrophil predominance. Serum antibody differential is as follows: IgG 82%, IgA 13%, IgM 5%, IgD trace, IgE trace. Which of the following is the most likely diagnosis?