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Deficiencies in Immunoglubulins
Test 1 Sem. 2
16
Medical
Graduate
01/10/2011

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Cards

Term
What type of organisms are common with x-linked agammglobulinemia?
Definition
-encapsulated organisms
-haemophilus influenzae
-pneumococci
-streptococci
-staphylococci
-menigiococci
Term
Delayed clinical manifestations associated with X-LA is due to what?
Definition
IgG from mothers until 6-15 months of age.
Term
For which immunoglobulin deficiencies do you use gamma-globulin for treatment.
Definition
X-LA, Common Variable Immunodeficiency, Hyper-IgM syndrome
Term
What is the most common age of onset for common variable immunodeficiency?
Definition
Puberty
Term
What clinical manifestations are common for Common Variable Immunodeficiency?
Definition
-Infectious diarrhea
-Malabsorption syndrome
-Bronchiectasis
Term
What is expected in labs for Common Variable Immunodeficiency?
Definition
Low levels of all immunoglobulins, immature B-cells.
Term
What is the most common immunodeficiency in whites?
Definition
Selective IgA deficiency.
Term
What is present in 70% of patients with ataxia-telangectasia?
Definition
selective IgA deficiency
Term
What is the most important feature of cell-mediated immunity or t-cell deficiencies? Which organisms are opportunistic?
Definition
-Extreme susceptibility to opportunistic infections.
-Candida albicans, enteric bacteria, viruses and fungi
Term
What is markedly depleted in severe combined immunodeficiency?
Definition
B-cells and T-cells
Term
What are the most common clinical manifestations for severe combined immunodeficiency?
Definition
chronic pulmonary infections, moniliasis, failure to thrive (3-6 months of age).
Treatment with bone marrow transplant.
Term
Normal levels of IgG, elevated levels of IgE and IgA and low levels of IgM with severe thrombocytopenia is associated with what?
Definition
Wiskott-Aldrich Syndrome
Term
Cerebellar ataxia and increased incidence of lymphoid malignancies are seen with what?
Definition
Immunologic deficiency with ataxia-telangectasia
Term
What are people with immunoglobulin deficiency syndromes susceptible to?
Definition
recurrent pyogenic infections
Term
What accounts for >50% of immunodeficiency syndromes?
Definition
common variable immunodeficiency
Term
People with immunoglobin deficiencies are more at risk for what?
Definition
recurrent pyogenic infections: otitis media, sinusitis, and pneumonia
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