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
Neoplasia which is a mixed tumor of the kidneys
Most common renal tumor in children
Wilm’s tumor