FA quick T cell disordrrs 03-29 (2) Flashcards
4 T cell disorders?
Thymic aplasia;
IL-12 receptor deficiency;
Autosomal dominant hyper-IgE syndrome (Job syndrome);
Chronic mucocutaneous candidiasis
22q11 microdeletion; failure
to develop 3rd and 4th pharyngeal pouches?
Thymic aplasia
absent thymus and parathyroids?
Thymic aplasia
DiGeorge syndrome—thymic, parathyroid, cardiac defects?
Thymic aplasia
Velocardiofacial syndrome—
palate, facial, cardiac defects
Thymic aplasia
Cardiac defects (conotruncal abnormalities [eg, tetralogy of Fallot, truncus arteriosus]), Abnormal facies, Thymic hypoplasia, Cleft palate?
Thymic aplasia
T-cell deficiency (recurrent viral/ fungal infections)?
Thymic aplasia
Hypocalcemia 2° to parathyroid aplasiatetany
Thymic aplasia
Thymic shadow absent on
CXR
Thymic aplasia
decr. T cells, decr. PTH, decr. Ca2+
Thymic aplasia
decr. Th1 response; autosomal recessive
IL-12 receptor deficiency
autosomal recessive
IL-12 receptor deficiency
Disseminated mycobacterial and fungal infections?
IL-12 receptor deficiency
may present after administration of BCG vaccine?
IL-12 receptor deficiency
decr. IFN-γ
IL-12 receptor deficiency
Most common cause of
Mendelian susceptibility to mycobacterial diseases (MSMD)?
IL-12 receptor deficiency
Deficiency of Th17 cells due to STAT3 mutation?
Autosomal dominant hyper-IgE syndrome (Job syndrome)
impaired recruitment of neutrophils to sites of infection?
Autosomal dominant hyper-IgE syndrome (Job syndrome)
Deficiency of Th17 cells due to STAT3 mutation –> impaired recruitment of neutrophils to sites of infection
Autosomal dominant hyper-IgE syndrome (Job syndrome)
Cold (noninflamed) staphylococcal Abscesses, retained Baby teeth, Coarse facies, Dermatologic problems (eczema), incr. IgE, bone Fractures from minor trauma
Autosomal dominant hyper-IgE syndrome (Job syndrome)
incr. IgE
incr. eosinophils
Autosomal dominant hyper-IgE syndrome (Job syndrome)
Cold (noninflamed) staphylococcal Abscesses?
Autosomal dominant hyper-IgE syndrome (Job syndrome)
retained Baby teeth?
Autosomal dominant hyper-IgE syndrome (Job syndrome)
Coarse facies?
Autosomal dominant hyper-IgE syndrome (Job syndrome)
Dermatologic problems (eczema), incr. IgE?
Autosomal dominant hyper-IgE syndrome (Job syndrome)
bone Fractures from minor trauma?
Autosomal dominant hyper-IgE syndrome (Job syndrome)
T-cell dysfunction?
Chronic mucocutaneous candidiasis
Impaired cell-mediated
immunity against Candida sp?
Chronic mucocutaneous candidiasis
Classic form caused by defects in AIRE?
Chronic mucocutaneous candidiasis
Persistent noninvasive Candida albicans infections of skin and mucous membranes?
Chronic mucocutaneous candidiasis
Absent in vitro T-cell proliferation in response to Candida antigens?
Chronic mucocutaneous candidiasis
Absent cutaneous reaction to Candida antigens?
Chronic mucocutaneous candidiasis