fetal thorax Flashcards
(27 cards)
when do the clavicles ossify
8-10 weeks
fetal lungs
homogenous
hyperechoic compared to liver
extrinsic fetal thoracic malformations
small chest
fetal goiter, cystic hygroma
fractured or shortened ribs
intrathoracic fetal thorax malformations
pleural effusions
intrinsic masses
Pulmonary Hypoplasia Caused by any intrathoracic mass
CCAM; CDH; bronchogenic or neurogenic cyst
prolonged oligo caused by
PPROM
premature rupture of membranes
Congenital Diaphragmatic Hernia etiology
incomplete fusion of diaphragm
left more common
abd contents in diaphragm
Congenital Diaphragmatic Hernia trisomy
13,18,21
Congenital Diaphragmatic Hernia on sonon
lack of intra abd ST
peristalsis of bowel in chest
malposition heart
shift of mediastinum
poly
right sided hernia
pleural effusions common in ..
more common in males
pleural effusions assoc. w/
Fetal hydrops – most common Congenital lung anomalies Cardiac anomalies Chromosomal aberration (21, 18) Turner Syndrome
pleural effusions most common complication
prom due to hydrops
fetal pericardial effusion occurs w/
hydrops
CHF
Congenital Cystic
Adenomatoid Malformation
rare
usually unilateral
Congenital Cystic
Adenomatoid Malformation type 1
macrocystic
most common
Congenital Cystic
Adenomatoid Malformation TYPE 2
multiple small cyst <1cm
Congenital Cystic
Adenomatoid Malformation TYPE 3
microscopic or non lesions
Congenital Cystic
Adenomatoid Malformation sono findings
acites
hydrops
poly
increased thorax circumference
cystic lungs
Pulmonary Sequestration
nonfunctioning mass of lung tissue
intralobar sequestration
most common
Pulmonary Sequestration assoc. w/
pulmonary sequestration sono
hydrops
echogenic mass
Bronchogenic Cysts
Not commonly diagnosed
Unilocular/Multilocular cyst
May be asymptomatic or cause respiratory distress
