Allergy and Immunology

Question 1

Omphalitis, severe leukocytosis

Answer 1

Leukocyte adhesion deficiency

Question 2

Dextrocardia on chest x-ray - what infection is the patient at risk for?

Answer 2

Encapsulated organisms (heterotaxy syndrome; associated with polysplenia)

Question 3

Skin infections, deep organ abscesses and inflammatory bowel disease

Answer 3

Chronic granulomatous disease

Question 4

Fever, rash, lip swelling, diffuse lymphadenopathy with sparing of mucous membranes 1-8 weeks after starting new medication

Answer 4

DRESS syndrome -> check eosinophils

Question 5

Foods most likely to cause fatal/near-fatal allergic reactions

Answer 5

Peanuts, tree nuts,
soy, cow’s milk,
fish, and shellfish

Question 6

Toddler with recurrent respiratory tract disease and absent lymph nodes/tonsils

Answer 6

X-linked agammaglobulinemia

Question 7

Toddler with no response to vaccines with multiple, life-threatening infections

Answer 7

SCID