Fetal Chest Flashcards
Functional lung tissue does not exist until after _____
25 weeks
Fetal lung maturity can be assessed using:
Lecithin to sphingomyelin ratio (L/S ratio)
The most common lesion causing pulmonary hypoplasia is ______
Diaphragmatic hernia
- bilateral renal agenesis
- abnormal face
- pulmonary hypoplasia
- limb abnormalities
Potter syndrome
Pulmonary hypoplasia is a common finding with (polyhydramnios or oligohydramnios)
Oligohydramnios
What sign is this? And what is it associated with?
Bat wing sign
Pleural effusion
A mass consisting of abnormal bronchial and lung tissue.
Congenital Cystic Adenomatoid Malformation (CCAM/CAM)
How many types of CCAM are there?
3
Type 1 CCAM appears
Macrocystic
Type 2 CCAM appears
Microcystic
Type 3 CCAM appears
Echogenic
Separate mass of nonfunctioning lung tissue with its own blood supply
Pulmonary sequestration
Pulmonary sequestration aka
Bronchopulmonary sequestration
Extrapulmonary sequestration
Most common appearance of pulmonary sequestration
Echogenic triangle
Pulmonary sequestration is most often on the ____ side
Left side
Most common reason for cardiac malposition
Diaphragmatic hernia
Most common location of diaphragmatic hernia
Left side
Bochdalek hernia is located:
Left posterior lateral diaphragm
Foramen of Morgagni is located:
Right anterior medial diaphragm
Lack of muscle in the dome of the diaphragm
Eventration of the diaphragm
Differential diagnosis for diaphragmatic hernia
Eventration of the diaphragm
Genetic disorder characterized by an absent or hypoplastic thymus
DiGeorge syndrome
Most common fetal chest mass
CCAM
