Diagnostic problems in case of twin pregnancies: US vs. MRI study
PBN-AR
Instytucja
Instytut Matki i Dziecka
Informacje podstawowe
Główny język publikacji
en
Czasopismo
JOURNAL OF PERINATAL MEDICINE
ISSN
0300-5577
EISSN
Wydawca
WALTER DE GRUYTER & CO
DOI
URL
Rok publikacji
2013
Numer zeszytu
5
Strony od-do
535-541
Numer tomu
41
Link do pełnego tekstu
Identyfikator DOI
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Słowa kluczowe
en
Conjoined twins; fetal malformation; prenatal MRI; prenatal ultrasound; twin pregnancy
Streszczenia
Język
en
Treść
Aim: To present an experience with twin pregnancies underlining the impact of magnetic resonance imaging (MRI) on diagnosis and management. Methods: There were 17 cases of twin pregnancies: nine monochorionic [including four monochorionic diamniotic and five monochorionic monoamniotic (conjoined twins)] and eight dichorionic. The MRI examinations were performed between 19 and 39 weeks of gestational age in two centers using 1.5 T scanners (GE Signa Excite and GE Signa HDxt; GE Healthcare, Waukesha, WI, USA), always after ultrasound (US). In the first period of our activity, SSFSE sequence in T2-weighted images (SSFSE/T2WI) was the main diagnostic tool supported by TSE or GRE T1-weighted images (T1WI). After upgrading the scanners, diffusion-weighted imaging (DWI), steady-state free precession (FIESTA), and echoplanar GRE imaging (EPIGRE) became available. Results: In 11 cases (64.7%), MRI was superior to US and supplied additional information, including two cases in which pathology of the second twin suspected on US was ruled out on the basis of MRI. In six cases (35.3%) MRI confirmed US diagnosis and brought no new data. Conclusion: MRI offers more detailed assessment of fetal pathology in cases of twin pregnancies, including conjoined twins, in which sonographic evaluation is more difficult than in single cases.
Cechy publikacji
ORIGINAL_ARTICLE
Inne
System-identifier
580640
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