Real-Life Diagnostic Accuracy of MRI in Prenatal Diagnosis

Table 5

Usefulness of fetal magnetic resonance as a complementary procedure to fetal ultrasound in the 623 cases referred between January 2007 and December 2018.

Indication	MRI concordant with fetal ultrasound n (%)	MRI provides additional information n (%)	MRI provides useful information n (%)	MRI is the only accurate diagnosis n (%)
Total (n = 623)	574 (92.1)	144 (23.1)	72 (11.6)	45 (7.2)
CNS pathology (n = 429)	387 (90.2)	96 (22.4)	47 (11.0)	39 (9.1)
Ventriculomegaly	142 (95.9)	22 (14.9)	10 (6.8)	6 (4.1)
Posterior fossa malformations	65 (91.5)	9 (12.7)	4 (5.6)	6 (8.5)
Abnormalities of the corpus callosum	45 (77.6)	17 (29.3)	8 (13.8)	13 (22.4)
Other midline abnormalities	32 (84.2)	10 (26.3)	4 (10.5)	6 (15.8)
Infectious pathology	30 (100.0)	9 (30.0)	3 (10.0)	0 (0.0)
Ischemic/hemorrhagic pathology	23 (92.0)	14 (56.0)	9 (36.0)	2 (8.0)
Tumoral pathology and lesions of the cranial vault, neck, or orbits	21 (87.5)	7 (29.2)	4 (16.7)	3 (12.5)
Spinal column pathology	8 (66.7)	1 (8.3)	1 (8.3)	1 (8.3)
Tuberous sclerosis	13 (100.0)	6 (46.2)	4 (30.8)	0 (0.0)
Malformations of cortical development	8 (80.0)	1 (10.0)	0 (0.0)	2 (20.0)
Thoracic pathology (n = 37)	36 (97.3)	21 (56.8)	13 (35.1)	1 (2.7)
Parenchymatous lesions	21 (95.5)	9 (40.9)	1 (4.5)	1 (4.5)
Congenital diaphragmatic hernia	12 (100.0)	12 (100.0)	12 (100.0)	0 (0.0)
Mediastenic or pleural pathology	3 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)
Abdominal pathology (n = 61)	57 (93.4)	17 (27.9)	7 (11.5)	3 (4.9)
Digestive pathology	26 (92.9)	5 (17.9)	4 (14.3)	1 (3.6)
Urogenital pathology	11 (91.7)	2 (16.7)	0 (0.0)	1 (8.3)
Abdominal masses	12 (92.3)	4 (30.8)	1 (7.7)	1 (7.7)
Abdominal wall defects	4 (100.0)	2 (50.0)	0 (0.0)	0 (0.0)
Vascular pathology	4 (100.0)	4 (100.0)	2 (50.0)	0 (0.0)
Other indications (n = 96)	94 (97.9)	10 (10.4)	5 (5.2)	2 (2.1)
Normal ultrasound in high-risk pregnancy	47 (100.0)	2 (4.3)	1 (2.1)	0 (0.0)
IUGR	20 (90.9)	2 (9.1)	3 (13.6)	2 (9.1)
Ultrasound not assessable (poor acoustic window)	9 (100.0)	3 (33.3)	0 (0.0)	0 (0.0)
Placental pathology.	9 (100.0)	1 (11.1)	0 (0.0)	0 (0.0)
Musculoskeletal pathology	7 (100.0)	2 (28.6)	1 (14.3)	0 (0.0)
Genetic or chromosomal abnormality	2 (100.0)	0 (0.0)	0 (0.0)	0 (0.0)