Hydrops Flashcards
Fetal hydrops refers to a fetus with an accumulation of fluid in which cavities?
subcutaneous edema (thick skin) peritoneal cavity (ascities) pericardial effusion pleural effusion or a/w polyhydramnios or placental edema
Fetal ascites is diagnosed when fluid is seen where?
b/w bowel loops
along abdo flanks
around liver + falciform ligament
outlining organs
In males, ascites can be seen where?
in scrotum (hydrocele)
What is the key finding when differentiating pseudoascites from true ascites?
pseudoascites does not surround the liver, and always is a subcutaneous finding. True ascites will extend around bowel loops
In normal fetuses, there is a small hypoechoic band, ______cm in thickness, extending along the anterior and lateral fetal abdomen
<2
What is pseudoascites?
normal abdo wall muscle/fat
What are the results of fetal hemolytic disease?
anemia extramedullary erythropoiesisi hepatosplenomegaly hypoalbuminemia CHF
What are the causes and associations of maternal non-immune hydrops?
uncontrolled diabetes severe anemia severe hypoproteinemia indomethacin premature closure of ductus arteriosus maternal syphillis maternal hyperthyroidism CMV parvovirus
What are the causes and associations of placental/cord non-immune hydrops?
large choriocarcinoma
umbilical artery aneurysm
cord torsion, knot or tumor
What are the causes and associations of fetal non-immune hydrops? LOTS
congenital infection TTTS skeletal dysplasia fetal hypokinesis tumor + other syndromes cong diaphragmatic hernia cystic hygroma GI urinary cardio chromosomal (turner's, tri13/18/21) hematologic
Why is a fluid collection in one fetal body still a concerning finding?
2 cavities is hydrops. 1 is infection or pleural effusion