Immunology Red Flags

• Panopacification of the sinuses may be associated with an immunologic disorder (eg, hypogammaglobulinemia) or cystic fibrosis. Thus, such findings on radiography warrant an evaluation of the child for these underlying diseases. See Sinusitis, Chronic.
• Patients without tonsillar tissue and other lymph nodes w/ poor growth, have clubbing of the fingers, and other signs infection may have an immunodeficieny
• tonsillar hypertrophy may be part of generalized lymphadenopathy that occurs with HIV
• IgG2 deficiency: Hib infection after vaccination