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39 Cards in this Set
- Front
- Back
- 3rd side (hint)
Achondroplasia
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dwarfism with short limbs but normal axial skeleton
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AD, advanced paternal age, FGF-R3 defect
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APKD
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Bilateral massive cysts (flank pn, hematuria, HTN, renal failure) -> berry aneurysms, mitral valve prolapse ***infantile form AR***
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AD, APKD1 mutation (16 for 16 letters in polycysitic kidney)
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Familial Adenomatous Polyposis
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Covered w/ polyps post-puberty-> CANCER
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AD- APC gene on Ch 5 (polyp)
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Familial hypercholesterolemia (type IIA)
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Cholesterol for hetero = 300 mg/dL, homo = 700+
tendon xanthomas (achilles), MI ~ 20 y/o |
AD- defective/absent LDL receptor
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Hereditary hemorragic telangiectasia (Osler-Weber-Rendu syndrome
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Telangiectasia, epistaxis, arteriovenous malformations
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AD, disorder of blood vessels
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Hereditary spherocytosis
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hemolytic anemia, increase MCHC (lots of Hb in each RBC), spleenectomy is curative
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AD, spectrin or ankyrin defect
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Huntingtons
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depressoin, progressive demential, choreiform movements (dancing), caudate atrophy, low GABA and ACh (20-50 y/o)
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AD, CAG repeat in Ch 4
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Marfans
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long limbed, hyperflexible, arachnodactyling (long fingers/toes) -> aortic incompetence and dissecting aneurysms, floppy mitral valve
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AD, fibrilin gene mutation for elastin
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Multiple endocrine neoplasias
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I, II, and III are family of endocrine gland tumors (pancreas, parathyroid, pituitary, thyroid, adrenal medulla)
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AD, II and III are ret gene
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Neurofibromatosis type 1 and 2
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cafe-au-lait spots, neural tumors,lisch nodules on eyes, also find scolisos, optic gliomas, pheochromocytomes, and tumors (bilateral acoustic neuroma in type 2)
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AD, Ch 17 type 1 (von Recklinghausen has 17), Ch 22 for type 2
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von Hipple Lindau
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hemangioblastomas of retina/cerebellum/medulla, bilateral renal cell carcinomas ect
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AD, VHL gene deletion (tumor supressor) on Ch 3 -> constitutive expresson of HIF -> angiogensis
(VHL has 3 words) |
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Hemochromatosis
EDIT |
copper eyes, iron deposits, arthrisis,
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AR
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ARPKD
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Cysts on infant kidneys
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AR, infants need it real bad
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CF
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Bronchiectasis, male infertility from vas deferens defect, pancreatic insufficiency-> fat-malabsorbtion (Vit ADEK and steatorrhea, Dx w/ inc. Cl- in sweat test
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AR, cholride transporter, CFTR on Ch 7 (secretes Cl- in lungs and GI, resorb from sweat)-> thick lung mucus plugs and inc Pseudomonas and S. aureus
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anion vs cation
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anion = +
cation = - |
an = up
cat = down |
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mucopolysaccharidoses
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EDIT
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All AR (EXCEPT HUNTERS)
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thalassemias
edit |
blood
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AR
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sphingolipidoses
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EDIT
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AR- (EXCEPT FABRYS)
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Tx for Cystic Fibrosis Lung Dz
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N-acetylcysteine for which dz? (also tylenol overdose
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This drug cleaves disulfide bonds for CF
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Albanism (melanocytes), alpha-1-antitrypsin (enzyme), glycogen storage dz (need transporter), sickle cell, PKU
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what kinds of diseases are usually more severe, often present in childhood
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AR!
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X-linked recessive disorders: How to remember? what are they?
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Be Wise Fools GOLD Heeds False Hope dz's
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Brutons agammaglobulinemia, Wiskott-Aldrich, Fragile X, Ocular albanism, Lesch-Nyhan, DMD (and Beckers), Hemophilia A+B, Fabry's and Hunters
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Bruton's agammaglobulinemia
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EDIT
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X-recessive, EDIT
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Wiskott-Aldrich syndrome
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EDIT
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X-recessive, EDIT
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Lesch-Nyhan Syndrome
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EDIT
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X-recessive, EDIT
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DMD (and Beckers)
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Early pelvic girdle weakness-> pseudo-hypertrophy of calves, cardiac myopathy (GOWERS), Beckers is later onset (>> 5 y/o)
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X-recessive, dystrophin gene
DMD is frameshift -> deletion Beckers is mutation |
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Hemophilia A+B
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EDIT
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X-recessive, EDIT
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Fabry's
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EDIT
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X-recessive, EDIT
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Hunter's
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EDIT
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X-recessive, EDIT, glycogen storage DZ
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Fragile X
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Long face and ears, macro-orchidism, autism
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X linked, 2nd most mental retardation behind Down syndrome, CGG repeat on, FMR1 gene, length = odds of getting it, stops MGluR5 receptor in brain
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Myotonic dystrophy
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Clumsiness, EDIT
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length = severity of disorder
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Friedreich's ataxia
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EDIT
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trinucleotide repeat
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Down syndrome
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epicanthial folds, flat faces, flat feet, simian crease in hand, toe gap, gonenital heart defect (ASD), increased ALL and Alzheimers
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Trisomy 21 or robertsonian translocation (14;21), Dx w/ low alphaFP, high beta-HCG, low estriol, high inhibin A
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Edwards syndrome
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Clenched hands, small jaw, retardation, prominent occiput, heart defects, die at 1
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Trisomy 18 (vote @ 18 for john edwards)
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Patau's syndrome
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Severe retardation, cleft-lip/palate, polydactyly and holoprosencephaly, death <1
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Ch 13 (puberty)
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Paracentric vs Pericentric
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Para = away from center
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Peri = around the center, involves centromere
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Cri-du-chat syndrome
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microcephaly, high-pitched crying, epicanthal folds, cardiac (cry of the cat)
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Ch 5 microdeletion
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Williams syndrome
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elfin facies, retardation, extremely cheerful, CV problems
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Ch 7 microdeletion (elastin gene) ROBBIN WILLIAMS
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Digeorge Syndrome
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Catch-22: cleft palate, abnormal faces, thymic aplasia (T cell deficient), cardiac defect, hypocalcemia 2' to parathyroid aplasia
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22q11 deletion -> abbarant 3rd and 4th branchial pouch development
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Velocardiofacial syndreom
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Catch-22 but only palate, heart, and face defects
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another 22q11 deletion syndrome
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