fetal abdominal wall Flashcards
most common ABD wall defects
gastroschisis
omphalocele
abd wall defects cannot be diagnosed unitl after how many weeks
14 weeks
gastroschsis
usually right paraumbilical
common in males
off midline defects
does gastroschsis have genetic assoc.
no
is gastroschsis covered by a sac
no
does the defect gastroschsis include bowel or liver
bowel
what other bowel abnormalities is gastroschsis assoc. w/
atresia or stenosis due to vascular compromise
increase risk of gastroschsis in
tabacco use
alcohol cocaine use
<20 yrs old
iugr
Omphalocele
viscera herniated through a midline defect into base of umb. cord
is the liver involved in an Omphalocele
yes
what is beckwith-wiedeman
large tongue
large organs
Omphalocele commonly assoc. w/
IUGR
still birth
bladder extrophy
more common in males
defect of lower abd wall and ant wall of bladder
Limb Body Wall Complex (LBWC)
result of failure of closer of the ventral body wall
Limb Body Wall Complex (LBWC) disorders include
short umb. cord
disruption of spine limbs cranium
Limb Body Wall Complex (LBWC) sono findings
fetus stuck to placenta
cord end tethered to fetus
Limb Body Wall Complex (LBWC) D.D
amniotic band syndrome
omphalocele
gastroschisis
when does the amnion and chorion fuse by
12-16 weeks
amnion and chorion separation can be caused by
bleeding
iud
trauma
invasive procedure
ABS anomalies limbs
club feet
edema
amputation
ABS anomalies cranium
anencephaly
enchephalocele
ABS anomalies face
cleft lio
nose anomalies
ABS anomalies thorac
rib clefting
ABS anomalies spine
scoliosis
ABS anomalies perinum
ambiguous genitalia
imperforate anus
when does the spleen start to function
between 12 to 24 weeks
esophageal atresia
more common in males
may have TE fistula communicating with ST
esophageal atresia asso. w/
tri 18 or 21 vacterl
esophageal atresia sono findings
fluid filled esophagus
absent ST
poly
IUGR
duodenal atresia assoc. w/
CV anomalies
GI anomalies
bowel malrotations
Esophageal atresia
TE fistula (Trachea/esophageal)
Trisomy 21
Symmetric IUGR
Vertebral anomalies VACERAL complex
duodenal atresia sono findings
seen 2nd or 3rd tri
double bubble sign
dilated stomach
poly
jejunum obstruction
will by dilated prox to obstruction
hyperperistalsis
poly
enlarged duodenum and stomach
what pathology is associated with echogenic bowel
intra amniotic hemorrhage
meconium peritonitis
cystic fibrosis
CMV
IUGR
tri 21
ascites is assoc. w/ what?
hydrops
bowel perf.
heart failure
infection
tumor
twin twin transfusion
colon obstruction
no poly
assoc. w/ perforated bowel bowel obstruction
w/imperforate anus anal atresia
cystic fibrosis
Hirschsprung’s
meconium peritonitis
impaction of thick and sticky meconium
dilation of ileum
distal colon becomes small
seen in pts w/ cystic fibrosis
when is meconium peritonitis seen
after 26 weeks
meconium peritonitis sono findings
poly
dilated loops of bowel
increased echoes
hirschprungs disease
congenital disorder of a segment of the colon
will see poly
dilated lops of bowel with calcifications
what is echogenic bowel a marker for
cystic fibriosis
aneupolidy
GI anomalies
IUGR
cytomegalovirus
