-
Cystic CNS structures:
supratentorial � CPC, hydrocephalus, hydranencephaly, porencephaly, holoprosencephaly, arachnoid cyst, teratoma;
-
Cystic CNS structures:
posterior fossa � DW malformation, arachnoid cyst, mega cisterna magna;
-
Cystic CNS structures:
midline cysts � cavum septum pellucidum, dorsal cyst in ACC, vein of Galen AVM
-
Hydrocephalus:
- obstructive -
- NTD (Chiari II), DW complex, aqueductal stenosis, ACC (colpocephaly);
-
Hydrocephalus: nonobstructive �
hemorrhage, infection
-
Cystic head and/or neck masses:
cystic hygroma, encephalocele, hemangioma, teratoma, branchial cleft cyst, thyroglossal duct cyst, nuchal cord
-
Cystic back masses:
NTD, cystic teratoma
-
Hyperechoic brain mass:
hemorrhage, teratoma, callosal lipoma
-
Incomplete skull mineralization:
OI, hypophosphatasia, achondrogenesis
-
Skull deformities: lemon sign �
normal, myelomeningocele, encephalocele;
-
Skull deformities: cloverleaf skull �
craniosynostosis, thanatophoric dwarf
-
Kyphoscoliosis: isolated �
hemivertebra, butterfly vertebra;
-
Kyphoscoliosis: complex �
VACTERL, limb-body wall complex, any skeletal dysplasia
-
Cystic thoracic masses:
CDH, CCAM (types 1,2), cysts (bronchogenic, duplication, pericardial), cystic hygroma
-
Solid echogenic thoracic masses:
CDH, CCAM (type 3), sequestration, tumors (teratoma, neurogenic tumors, cardiac rhabdomyoma)
-
Pleural effusion: unilateral
usu due to lung masses � CDH, CCAM, sequestration;
-
Pleural effusion: bilateral �
hydrops, lymphangiectasia;
-
Pleural effusion: unilateral or bilateral �
idiopathic, infection, chromosomal anomalies
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