Pathology3 Flashcards
Thymic and parathyroid aplasia due to failure of 3rd and 4th pharyngeal arch development
DiGeorge syndrome
X-linked tyrosine kinase defect blocks B cell maturation seen in boys
Bruton’s agammaglobulinemia
Often X linked with defective B cell and T cell activation
Severe Combined Immune Deficiency
X linked defect with progressive depletion of B and T cells
Wiskott-Aldrich syndrome
Autosomal recessive defect in phagocytosis
Chediak-Higaski syndrome
Glucose-6-Phosphate deficiency accumulates in the liver
Von Gierke
Muscle phophorylase deficiency accumulates in the muscles
McArdle
Maltase deficiency affects the heart pump
Pompe
Gangliosides accumulation in the brain; rapidly fatal
Cherry red macula
severe mental retardation
Tay-Sachs
Glucocerebrosides accumulate in the liver and spleen- most common
Gaucher
Sphingomyelin accumulation in the liver and brain
Niemann Pick
Deficiency in homogentistic acid, urine turns black on standing, dark damaged cartilage- ochronosis
Alkaptonuria- amino acid disorder
Neoplasia caused by the Epstein Barr virus and is more common in children. Characterized by a starry-sky appearance.
Burkitt’s lymphoma
Neoplasia characterized by Reed-Sternburg cells. Common in adults
Hodkin’s lymphoma
Neoplasia is an adrenal medulla tumor which secretes excess norepinehrine.
It is characterized by paroxysms of palpitations, perspiration and pressure headaches
Pheochromocytoma