Genatics Flashcards
• Round face / microcephaly
• Wide-set eyes
• Small iaw
• Hypotonia
• High pitched cry
Cri du Chat syndrome: (5q micodeltion)
Narrow face
Small chin
Long nose
Hypogonadisim
Infertility
Gynecomastia
Tall stature
N (puberty&intelligence)
Klinefelter syndrome: (XXY)
Wide mouth
Prominent chin
Widely spaced teeth
Ataxia
Epilepsy
Cognitive impairment
Angelman syndrome: (imprinting maternal)
Small chin
Low-set ears
Wide-set eyes
Cleft palate (posterior)
Cardiac anomalies
Hypoplasia of thymus/ low t cells/ low Ca
Immune dysfunction
Autism
DiGeorge syndrome (velocardiofacial syndrome): (22q11 microdeltion)
Round face
Upward slanting eyes / epicanthic fold
Flat nasal bridge
Small mouth / protruding tongue
Small ear
Short neck
Short & incurved fifth finger / 1 palmar crease
Sandal gap
Brushfeild spot in iris
Flat occiput / 3rd fontanelle
Down syndrome: (Trisomy 21)
Small mouth
Low-set ears
Small jaw
LBW
Prominent occiput
Short sternum
Flexed overlapping fingers
Rocker-bottom feet
Cardiac & renal malformation
Edwards syndrome: (Trisomy 18)
Long face / macrocephaly
Large ears
Prominent forehead / mandible
Marcororchidism
Mital valve prolapse
joint laxity/ scoliosis
autism/ hyperactivity
Fragile X syndrome: (XR)
Wide-set eyes
Low-set ears
Short neck
Pectus excavatum
CHD (PS+ ASD)
short stature
Noonan syndrome:
Cleft lip/palate
Small eyes
Low-set ears
Structural Defect of brain
Scalp defect
Polydactyly
Cardiac and renal malformation
Patau syndrome: (trisomy13)
Narrow forehead
Almond-shaped eyes
Thin upper lip
Hypotonia
Hypogonadism
Neonatal feeding difficulty
Faltring growth in jnfancy
Hyperphagia and obesity
Delay
Learning difficulty
Prader-Willi syndrome: (Imprinting paternal)
Webbed neck
Low-set ears
Widely spaced nipples
Lymphedema (Feet & hands (neonates))
Spoon nails
Short stature
Infertility
Turner syndrome: (XO)
Elongated face
Wide mouth
Full lips
Hypercalcemia
Supravalvular aortic stenosis
Short stature
- Williams syndrome: (7q11 microdeltion + elastin gene)
Short stature below 3rd percentile.
Rhizomelic Shorting (Short proximal long bones)
Trident hands.
Stenosis of foramen magnum.
Macrocephaly.
Midface hypoplasia
Ice cream scoop shape femoral head.
Squared-off iliac wings (Champagne glass sign).
Increase risk of OSA & UAO.
Delay in gross motor development.
Achondroplasia
Broad forehead
Deep-set eyes
Pointed chin
Butterfly vertebrae
Alagille syndrome
Long, narrow face
Prominent ears
Alport syndrome