Teratogens/US Flashcards
Choroid Plexus Cyst
T18 Edwards
Cystic Hygroma
Sack in back of neck. Turner, heart defect, noonan, most likely due to aneuploidy. Most common
Duodenal Atresia
“double bubble” T21
Echogenic Bowel
Bleeding, CF, T21, infection
Echogenic Intracardiac Focus
(EIF) T21
Holoprosencephaly
T13, Smith Lemi Opitz (AR, DHRC7)
Pyelectasis
More common in male/urine in kidneys. T21
Short Femur
T21, skeletal dysplasia
Thick NT
Turner, Noonan, aneuploidy, heart defect
Holoprosencephaly, 2/3 syndactlyly
Smith Lemi Opitz (AR, DHRC7)
Cloverleaf Skull
Thanatophoric type 2, FGFR2 (apert syndactyly, crouzon strabismus, pfeiffer brachydactyly short fingers thumb bent away)
Telephone Receiver Femur
Thanatophoric dysplasia type 1
FGFR3 AD
Rhabdomyoma
TSC, heart
Radial Ray Anomalies
(radius and thumb) Fancomi anemia, Holt oram TBX5 hand AD (and) heart, heart arm tbx through both sides AD, thrombocytopenia absent radius syndrome RBM8A AR
Omphalocele
Beckwith Wedeman, T21
Occipital encephalocele, cystic kidneys, polydactyly
Meckle Gruber MKS genes AR
Heart ant Arm anomaly
holt oram (AD, TBX5) heart arm, hand heart, think TBX through both hearts ASD/VSD
Caudal regression
Maternal diabetes
Interrupted aortic arch
22q
truncus arteriosis
22q
TET
1: PVS
2:VSD
3:shifted aorta
4: R Ventricular hypertrophy
22Q, T21
Heterotaxy
ciliopathys, organs formed wrong or in wrong place
Ebstein Anomaly
defect in tricuspid valve. Lithium exposure
Pulmonic Valve Stenosis
Noonan
ASD VSD
T21, 18, 13
Coarctation of the Aorta
Turner
Supravalvular aortic stenosis
SVAS is Williams Syndrome (7q11.23 deletion syndrome) AD High proportion in Norway
Tetracycline
tetra = 4 only risk after 4 months, teeth discoloration
Vitamin folic acid def.
NTD’s spina bifida, anencephaly occurs 4-8 weeks
Accutane
CNS, ear, heart, thymus
Ace Inhibitors
Harry potter ACR’d kidneys. Potters sequences, renal, IUGR, critical period 2 and 3 trimester
Alcohol
LD, DD, Ptosis, short palp fissures, smooth philtrum
Anticonvulsants
Valproic acid, Phenobarbital: ONTD’s Clefting, CHD, Limbs, Lumbar meningocele, myelomeningocele, long philtrum, cupids two lip, fingernail hyperplasia
Lithium
Ebstein anomaly = defect of tricuspid valve
Maternal PKU
Microcephaly, heard defect, ID
Mercury
Minimata disease (neurological)
Serotonin Reuptake Inhibitors
SSRIs: neonatal jitteriness, irritability, respiratory distress
Thalidomide
Limb reduction