Real-Life Diagnostic Accuracy of MRI in Prenatal Diagnosis

Table 4

Cases with inaccurate diagnosis by fetal ultrasound and/or fetal magnetic resonance imaging (MRI).

Inaccurate diagnosis by fetal ultrasound	Accurate diagnosis by fetal MRI	Postnatal diagnosis	Cases (n)
Total			45
CNS pathology			39
Hypoplasia of corpus callosum	Normal	Normal	7
Partial agenesis of the corpus callosum	Normal	Normal	4
Agenesis of the SP	Normal	Normal	5
Poor visualization of CSP	Polymicrogyria and heterotopias that deform the CSP	Polymicrogyria and heterotopias that deform the CSP	1
Small-sized CSP	Complete agenesis of the corpus callosum and the SP	Complete agenesis of the corpus callosum and the SP	1
Hydranencephaly	Alobar holoprosencephaly	Alobar holoprosencephaly	1
Severe ventriculomegaly and interhemispheric cyst	Semilobar holoprosencephaly	Semilobar holoprosencephaly	1
Ventriculomegaly	Ventriculomegaly and venous infarction.	Ventriculomegaly and venous infarction.	1
Ventriculomegaly	Normal	Normal	4
Lissencephaly	Normal	Normal	1
Closed lip schizencephaly	Normal	Normal	1
Posterior fossa arachnoid cyst	Mega cisterna magna	Mega cisterna magna	2
Dandy walker complex	Mega cisterna magna	Mega cisterna magna	1
Dandy walker complex	PHACE syndrome	PHACE syndrome	1
Inferior vermis hypoplasia	Normal	Normal	1
Posterior fossa mass lesion	Dural sinus malformation and thrombosis	Dural sinus malformation and thrombosis	1
Dandy walker complex	Mega cisterna magna	Mega cisterna magna	1
Microcephaly	Normal	Normal	1
Tethered spinal cord	Normal	Normal	1
Blakes pouch cyst	Mild vermian hypoplasia	Mild vermian hypoplasia	1
Cleft lip	Normal	Normal	2
Thoracic pathology			1
CPAM	Congenital diaphragmatic hernia	Congenital diaphragmatic hernia	1
Abdominal pathology			3
Renal cyst	Congenital adrenal cyst	Congenital adrenal cyst	1
Ileal atresia	Normal	Normal	1
Bilateral adrenal hyperplasia	Normal	Normal	1
Other indications			2
IUGR	Normal	Normal	2
Inaccurate diagnosis by fetal ultrasound	Inaccurate diagnosis by MRI	Postnatal diagnosis	Cases (n)
Total			15
CNS pathology			5
Occipital soft-tissue hemangioma	Occipital soft-tissue hemangioma	Fibrosarcoma	1
Hydrocephalus	Hydrocephalus and ischemic sequelae	Hydrocephalus and cerebral toxoplasmosis with intraparenchymal lesion	1
Mild ventriculomegaly	Mild ventriculomegaly	Mild ventriculomegaly and malformation of the outer ear	1
Epidural hematoma	Bone lesion: Sarcoma or fibrous dysplasia	Intraosseous hemangioma	1
Mega cisterna magna and frontal polymicrogyria	Mega cisterna magna frontal polymicrogyria	Mega cisterna magna	1
Thoracical pathology			3
CPAM type 3	CPAM type 3	Normal (vanishing lesion of the lung)	1
Pulmonary hybrid lesion	Pulmonary hybrid lesión	Type 1 CPAM	1
Left atrial myxoma	Left atrial myxoma	Left atrial hemangioma	1
Abdominal pathology			6
Perirenal hematoma	Perirenal lymphangioma	Perirenal urinoma without hydronephrosis	1
Mild dilation of ileal loops	Hypoplastic colon syndrome without ileal dilatation	Ileal atresia	1
Esophageal atresia	Esophageal atresia	Esophageal duplication cyst	1
Left adrenal neuroblastoma	Left adrenal neuroblastoma	Infradiaphragmatic bronchopulmonary sequestration	1
Renal cyst	Pyeloureteral junction stenosis	Pyeloureteral junction stenosis and mesoblastic nephroma in calyceal wall	1
Other indications			1
Placenta increta	Placenta increta	Normal placenta	1
Accurate diagnosis by fetal ultrasound	Inaccurate diagnosis by fetal MRI	Postnatal diagnosis	Cases (n)
Total			4
CNS pathology			3
Scoliosis and dorsal hemivertebrae	Dorsal scoliosis	Scoliosis and dorsal hemivertebrae	3
Abdominal pathology			1
Hepatic calcifications	Normal liver	Hepatic calcifications	1

CNS: central nervous system, SP: septum pellucidum, CSP: cavum septum pelludidum, IUGR: intrauterine growth restriction, CPAM: congenital pulmonary airway malformation.