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Fetal MR in the evaluation of pulmonary and digestive system pathology.

Martin C, Darnell A, Escofet C, Duran C, Pérez V - Insights Imaging (2012)

Bottom Line: Congenital malformations of the thorax, abdomen, and gastrointestinal tract are common.As various organs can be affected, accurate location and morphological characterization are important for accurate diagnosis.We describe the normal appearance of fetal thoracic, abdominal, and gastrointestinal structures on MRI, and we discuss the most common anomalies involving these structures and the role of MRI in their study. • To learn about the normal anatomy of the fetal chest, abdomen, and GI tract on MRI. • To recognize the MR appearance of congenital anomalies of the lungs and the digestive system. • To understand the value of MRI when compared to US in assessing fetal anomalies.

View Article: PubMed Central - PubMed

Affiliation: Radiology Department, UDIAT CD, Institut Universitari Parc Taulí-UAB, Sabadell, Spain.

ABSTRACT

Background: Prenatal awareness of an anomaly ensures better management of the pregnant patient, enables medical teams and parents to prepare for the delivery, and is very useful for making decisions about postnatal treatment. Congenital malformations of the thorax, abdomen, and gastrointestinal tract are common. As various organs can be affected, accurate location and morphological characterization are important for accurate diagnosis.

Methods: Magnetic resonance imaging (MRI) enables excellent discrimination among tissues, making it a useful adjunct to ultrasonography (US) in the study of fetal morphology and pathology.

Results: MRI is most useful when US has detected or suspected anomalies, and more anomalies are detected when MRI and US findings are assessed together.

Conclusion: We describe the normal appearance of fetal thoracic, abdominal, and gastrointestinal structures on MRI, and we discuss the most common anomalies involving these structures and the role of MRI in their study.

Teaching points: • To learn about the normal anatomy of the fetal chest, abdomen, and GI tract on MRI. • To recognize the MR appearance of congenital anomalies of the lungs and the digestive system. • To understand the value of MRI when compared to US in assessing fetal anomalies.

No MeSH data available.


Related in: MedlinePlus

Neuroblastoma. Fetus at 36 weeks’ gestation. a Fetal coronal single-shot fast spin-echo MR image showing a well-delimited, slightly heterogeneous infradiaphragmatic mass of intermediate signal intensity (arrow) located above the right kidney, which is displaced downward (curved arrow). b Metaiodobenzylguandine study after birth was positive (arrow)
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Fig18: Neuroblastoma. Fetus at 36 weeks’ gestation. a Fetal coronal single-shot fast spin-echo MR image showing a well-delimited, slightly heterogeneous infradiaphragmatic mass of intermediate signal intensity (arrow) located above the right kidney, which is displaced downward (curved arrow). b Metaiodobenzylguandine study after birth was positive (arrow)

Mentions: Neuroblastoma and teratoma are the most common solid neoplasms in infants. More than 90% of prenatally diagnosed neuroblastomas are adrenal in origin, although they may also be located in the thorax or cervical region. About half of these tumors are cystic or heterogeneous [27]. With MRI, solid (Fig. 18), cystic, or more complex lesions can be seen [28] below the diaphragm. Unlike extralobar bronchopulmonary sequestration they are normally in the right side and are almost always detected in the third trimester [10]. These tumors can disappear before birth though they can also metastasize, especially to the fetal liver [27].Fig. 18


Fetal MR in the evaluation of pulmonary and digestive system pathology.

Martin C, Darnell A, Escofet C, Duran C, Pérez V - Insights Imaging (2012)

Neuroblastoma. Fetus at 36 weeks’ gestation. a Fetal coronal single-shot fast spin-echo MR image showing a well-delimited, slightly heterogeneous infradiaphragmatic mass of intermediate signal intensity (arrow) located above the right kidney, which is displaced downward (curved arrow). b Metaiodobenzylguandine study after birth was positive (arrow)
© Copyright Policy
Related In: Results  -  Collection

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getmorefigures.php?uid=PMC3369121&req=5

Fig18: Neuroblastoma. Fetus at 36 weeks’ gestation. a Fetal coronal single-shot fast spin-echo MR image showing a well-delimited, slightly heterogeneous infradiaphragmatic mass of intermediate signal intensity (arrow) located above the right kidney, which is displaced downward (curved arrow). b Metaiodobenzylguandine study after birth was positive (arrow)
Mentions: Neuroblastoma and teratoma are the most common solid neoplasms in infants. More than 90% of prenatally diagnosed neuroblastomas are adrenal in origin, although they may also be located in the thorax or cervical region. About half of these tumors are cystic or heterogeneous [27]. With MRI, solid (Fig. 18), cystic, or more complex lesions can be seen [28] below the diaphragm. Unlike extralobar bronchopulmonary sequestration they are normally in the right side and are almost always detected in the third trimester [10]. These tumors can disappear before birth though they can also metastasize, especially to the fetal liver [27].Fig. 18

Bottom Line: Congenital malformations of the thorax, abdomen, and gastrointestinal tract are common.As various organs can be affected, accurate location and morphological characterization are important for accurate diagnosis.We describe the normal appearance of fetal thoracic, abdominal, and gastrointestinal structures on MRI, and we discuss the most common anomalies involving these structures and the role of MRI in their study. • To learn about the normal anatomy of the fetal chest, abdomen, and GI tract on MRI. • To recognize the MR appearance of congenital anomalies of the lungs and the digestive system. • To understand the value of MRI when compared to US in assessing fetal anomalies.

View Article: PubMed Central - PubMed

Affiliation: Radiology Department, UDIAT CD, Institut Universitari Parc Taulí-UAB, Sabadell, Spain.

ABSTRACT

Background: Prenatal awareness of an anomaly ensures better management of the pregnant patient, enables medical teams and parents to prepare for the delivery, and is very useful for making decisions about postnatal treatment. Congenital malformations of the thorax, abdomen, and gastrointestinal tract are common. As various organs can be affected, accurate location and morphological characterization are important for accurate diagnosis.

Methods: Magnetic resonance imaging (MRI) enables excellent discrimination among tissues, making it a useful adjunct to ultrasonography (US) in the study of fetal morphology and pathology.

Results: MRI is most useful when US has detected or suspected anomalies, and more anomalies are detected when MRI and US findings are assessed together.

Conclusion: We describe the normal appearance of fetal thoracic, abdominal, and gastrointestinal structures on MRI, and we discuss the most common anomalies involving these structures and the role of MRI in their study.

Teaching points: • To learn about the normal anatomy of the fetal chest, abdomen, and GI tract on MRI. • To recognize the MR appearance of congenital anomalies of the lungs and the digestive system. • To understand the value of MRI when compared to US in assessing fetal anomalies.

No MeSH data available.


Related in: MedlinePlus