Peds Genetics Flashcards
Noonan Syndrome
male version of Turners
Fragile X testes
Macroorchidism
VACTERL
birth defects: vertebral, anal atresia, cardiac, tracheoesophageal fistula, renal, limb
fair complexion, intellectual disability seizures
think PKU with increased phenylalanine (also mousy odor)
fructose intolerance
Aldolace B deficiency
jaundice hepatomegaly failure to thrive with normal intake
Galactosemia
weak suck hypotonia short stature obese narrow forehead almond-shaped eyes downturned mouth
Prader-Willi (compulsive binge-eating)
Prader Willi gene
15q11-q13 (loss of paternal copy)
Galactosemia enzyme
absence of Galactose-1-phosphate uridyl transferase
Beckwith Weidman
macroglossia, omphalocele
Beckwith Weidman gene
11p15
hand-flapping ataxia seizures
Angelman (smiling/laughter) 15q11-q13 (loss of maternal copy)
small testes after puberty normal male external genitalia tall stature
Klinefelter (XXY)
Klinefelter karyotype
XXY
prominent forehead macroorchidism
Fragile X
Lessh Nyhan deficienty
hypoxathine-Guanine phosphoribosyl transferase
Lesch-Nyhan presentation
self-mutilation mental retardation extrapyramidal symptoms (choreoathetosis)
Long narrow face,
prominent forehead and chin
large ears
macrocephaly
Macroorchidism
Fragile X
Flat facies
slanted palpebral fissures
small low-set ears
Excessive skin at nape of neck
sandal toes
Downs
hypotonia
microcephaly with protruding metopic suture?
short stature
high arched palate
wide flat nasal bridge
metal retardation
Cri-du-chat