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USMLE1 Review: Immunodeficiencies/Autoimmune
Review
35
Medical
Professional
06/16/2010

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Cards

Term
B cell deficiency causing recurrent respiratory tract bacterial inefctions in boys older than 6 months of age?
Definition
X-linked agammaglobulinemia
Term
T cell deficiency due to failure of development of third and 4th pharyngeal pouches?
Definition
Thymic aplasia (DiGeorge syndrome)
Term
Defective B and T cells, most cases caused by XL recessive mutations in y-chain of cytokine receptors OR auto recessive mutations in adenosine deaminase?
Definition
severe combined immunodeficiency
Term
Auto recessive disease characterized by IgA deficiency, cerebellar dysfunction and conjunctival telangiectasis?
Definition
ataxia-telangiectasia
Term
XL deficiency of niotinamide adenine dinucleotide phosphate (NADPH) oxidase activity, resulting in an im[aired neutrophil respiratory burst and leading to increased bacterial and fungal infections
Definition
chronic granulomatous disease
Term
XL deficiency of niotinamide adenine dinucleotide phosphate (NADPH) oxidase activity, resulting in an im[aired neutrophil respiratory burst and leading to increased bacterial and fungal infections
Definition
chronic granulomatous disease
Term
recurrent bactterial infections early in life due to a defect in CD40 ligand and prevents B cells class switching?
Definition
Hyper-IgM syndrome
Term
Auto recessive microtubule defect resulting in decreased phagocytosis, partial albinism and neuropathy?
Definition
Chediak-Higashi disease
Term
Auto recessive syndrome characteriezed by failure of neutrophil chemotaxis associated eczema, elevated IgE, noninflamed staph absecesses?
Definition
Job (hyper IgE) syndrome
Term
XL recessive disease characterized by recurrent infections, thrombocytopenia, eczema?
Definition
Wiskott-Aldrich syndrome
Term
Mutation of Btk tyrosine kinase gene resulting in the underproduction of all class of Ab's
Definition
XL agammaglobulinemia
Term
Defect in the receptor for IL-7
Definition
severe combined immunodeficiency
Term
Associated with Staph aureus, Strep pneumoniae, and Haemophilus influenzae respiratory infections and persistent Giardia lamblia infections?
Definition
XL agammaglobulinemia
Term
Associated with recurrent GI and pulmonary infections
Definition
isolated IgA deficiency
Term
Frequent viral and fugal inefctions in a patient with hypocalcemia due to low PTH levels?
Definition
Thymic aplasia (DiGeorge syndrome)
Term
Associated with tetany and congenital defects in the heart and aorta
Definition
Thymic aplasia (DiGeorge syndrome)
Term
small thymus devoid of lymphocytes, hypoplastic lymph nodes, and splenic white pulp
Definition
severe combined immunodeficiency
Term
increased IgA, normal IgE and decreased IgM levels
Definition
Wiskott-Aldrich syndrome
Term
Hypogammaglobulinemia commonly due to failure of T cell mediated B cell maturation?
Definition
common variable immunodeficiency
Term
Keratoconjunctivitis sicca or xerophthalmia, xerostomia, and evidence of other CT disease
Definition
Sjogren syndrome
Term
autoimmune inflammatory disorder associated with malignancy frequently caused muscle weakness
Definition
polymyositis
Term
autoimmune disease causing a heliotrope rash
Definition
dermatomyositis
Term
rapidly progessing diffuse fibrosis of skin and involved organs including the heart, GI, kidney, lunch, muscle and skin
Definition
diffuse scleroderma
Term
CREST syndrome of calcinosis, Raynaud phenomenon, esophageal dysfunction, sclerodactyly, telangiectasis
Definition
localized scleroderma
Term
autoimmune disease causing increased serum creatine kinase levels
Definition
polymyositis
Term
what is the most common cause of death due to scleroderma
Definition
renal crisis (50%)
Term
Which autoimmune disease of CT lacks renal involvement
Definition
mixed connective tissue disease
Term
Name the group of disorders characterized by extracellular deposition of protein in a B pleated sheet conformation.
Definition
Amyloidoses
Term
Which stain is sued to identiy the presence of amyloid in tissue that exhibits apple green bifringence under polarized light?
Definition
congo red
Term
which autoimmune disase of CT lacks renal involvement?
Definition
mixed connective tissue disease
Term
which molecular configuration is commone to all forms of amyloid?
Definition
cross B pleated sheet
Term
what is the effect of amyloidosis on the kidneys?
Definition
glomerular, peritubular, and vascular hyalinization
Term
what is the effect of amyloidosis on the spleen?
Definition
sago spleen (deposits in follicles) or lardaceous spleen (deposits in the pulp)
Term
What is the effet of amyloidosis on the liver?
Definition
hepatomegaly with amyloid deposition in the space of Disse
Term
What is the effect of amyloidosis on the the heart? tongue?
Definition
heart = restrictive cardiomyopathy
tongue = hypertrophy due to amyloid deposition
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