High temporal resolution dynamic contrast MRI in a high risk group for placenta accreta
Antenatal diagnosis of placenta accreta with MR is not easy even now because T 2-weighted images (T2WI) cannot differentiate chorionic villi from decidua basalis. We performed dynamic contrast MRI to study whether trophoblastic villi could be separately demonstrated from the decidua basalis, and whe...
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| Veröffentlicht in: | Magnetic resonance imaging 2001-06, Vol.19 (5), p.635-642 |
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| creator | Tanaka, Yumiko O. Sohda, Satoshi Shigemitsu, Sadahiko Niitsu, Mamoru Itai, Yuji |
| description | Antenatal diagnosis of placenta accreta with MR is not easy even now because T
2-weighted images (T2WI) cannot differentiate chorionic villi from decidua basalis. We performed dynamic contrast MRI to study whether trophoblastic villi could be separately demonstrated from the decidua basalis, and whether the contrast resolution between the placenta and myometrium could improve compared to T2WI.
Six pregnant women with prior cesarean section were examined at 34–38 gestational weeks. Sagittal T
2-weighted images with fast spin echo sequences and dynamic contrast studies with fast field echo sequence every 10–14 s after contrast injection were performed. We analyzed the enhancing pattern of the placenta and compared the contrast between placenta and myometrium. We reviewed medical records to identify complications during the placental delivery and the complications of their newborns.
In the early phase after contrast enhancement, multiple foci of the strong lobular enhancement were observed in all cases. Other parts of placenta were slowly but strongly enhanced following them. We speculated that the former corresponded to intervillous space and the latter decidua basalis. The contrast between placenta and myometrium tended to be distinct near the inner cervical os on both T2WI and dynamic contrast study. On the other hand, it was indistinct in the upper part of the uterine body on T2WI despite it was clearly demonstrated on dynamic contrast study. The placentae were delivered without any complication in all cases. Although two neonates showed fetal distress, none of the infant remained any sequelae at the time of the discharge. The other four were well although one of them complicated with meconium staining.
As dynamic contrast MRI can differentiate chorionic villi and decidua basalis, and can provide excellent contrast between placenta and myometrium at anywhere within the uterus, it may be a promising technique for antepartum diagnosis of the placenta accreta. |
| doi_str_mv | 10.1016/S0730-725X(01)00388-5 |
| format | Article |
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2-weighted images (T2WI) cannot differentiate chorionic villi from decidua basalis. We performed dynamic contrast MRI to study whether trophoblastic villi could be separately demonstrated from the decidua basalis, and whether the contrast resolution between the placenta and myometrium could improve compared to T2WI.
Six pregnant women with prior cesarean section were examined at 34–38 gestational weeks. Sagittal T
2-weighted images with fast spin echo sequences and dynamic contrast studies with fast field echo sequence every 10–14 s after contrast injection were performed. We analyzed the enhancing pattern of the placenta and compared the contrast between placenta and myometrium. We reviewed medical records to identify complications during the placental delivery and the complications of their newborns.
In the early phase after contrast enhancement, multiple foci of the strong lobular enhancement were observed in all cases. Other parts of placenta were slowly but strongly enhanced following them. We speculated that the former corresponded to intervillous space and the latter decidua basalis. The contrast between placenta and myometrium tended to be distinct near the inner cervical os on both T2WI and dynamic contrast study. On the other hand, it was indistinct in the upper part of the uterine body on T2WI despite it was clearly demonstrated on dynamic contrast study. The placentae were delivered without any complication in all cases. Although two neonates showed fetal distress, none of the infant remained any sequelae at the time of the discharge. The other four were well although one of them complicated with meconium staining.
As dynamic contrast MRI can differentiate chorionic villi and decidua basalis, and can provide excellent contrast between placenta and myometrium at anywhere within the uterus, it may be a promising technique for antepartum diagnosis of the placenta accreta.</description><identifier>ISSN: 0730-725X</identifier><identifier>EISSN: 1873-5894</identifier><identifier>DOI: 10.1016/S0730-725X(01)00388-5</identifier><identifier>PMID: 11672621</identifier><identifier>CODEN: MRIMDQ</identifier><language>eng</language><publisher>New York, NY: Elsevier Inc</publisher><subject>Biological and medical sciences ; Chorionic Villi - pathology ; Decidua - pathology ; Diseases of mother, fetus and pregnancy ; Dynamic contrast MRI ; Female ; Genital system. Mammary gland ; Gestational Age ; Gynecology. Andrology. Obstetrics ; Humans ; Image Enhancement ; Infant, Newborn ; Intrauterine exposure of contrast material ; Investigative techniques, diagnostic techniques (general aspects) ; Magnetic Resonance Imaging ; Medical sciences ; Myometrium - pathology ; Placenta - pathology ; Placenta abnormalities ; Placenta accreta ; Placenta Accreta - diagnosis ; Pregnancy ; Pregnancy. Fetus. Placenta ; Prenatal Diagnosis ; Radiodiagnosis. Nmr imagery. Nmr spectrometry ; Trophoblasts - pathology</subject><ispartof>Magnetic resonance imaging, 2001-06, Vol.19 (5), p.635-642</ispartof><rights>2001 Elsevier Science Inc.</rights><rights>2002 INIST-CNRS</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c457t-4e7d36fadde6890673a5fc73b2ca660ad8fa0c41a6ec8bda62ecdcc1890458343</citedby><cites>FETCH-LOGICAL-c457t-4e7d36fadde6890673a5fc73b2ca660ad8fa0c41a6ec8bda62ecdcc1890458343</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.sciencedirect.com/science/article/pii/S0730725X01003885$$EHTML$$P50$$Gelsevier$$H</linktohtml><link.rule.ids>314,776,780,3537,27901,27902,65306</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=13476108$$DView record in Pascal Francis$$Hfree_for_read</backlink><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/11672621$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Tanaka, Yumiko O.</creatorcontrib><creatorcontrib>Sohda, Satoshi</creatorcontrib><creatorcontrib>Shigemitsu, Sadahiko</creatorcontrib><creatorcontrib>Niitsu, Mamoru</creatorcontrib><creatorcontrib>Itai, Yuji</creatorcontrib><title>High temporal resolution dynamic contrast MRI in a high risk group for placenta accreta</title><title>Magnetic resonance imaging</title><addtitle>Magn Reson Imaging</addtitle><description>Antenatal diagnosis of placenta accreta with MR is not easy even now because T
2-weighted images (T2WI) cannot differentiate chorionic villi from decidua basalis. We performed dynamic contrast MRI to study whether trophoblastic villi could be separately demonstrated from the decidua basalis, and whether the contrast resolution between the placenta and myometrium could improve compared to T2WI.
Six pregnant women with prior cesarean section were examined at 34–38 gestational weeks. Sagittal T
2-weighted images with fast spin echo sequences and dynamic contrast studies with fast field echo sequence every 10–14 s after contrast injection were performed. We analyzed the enhancing pattern of the placenta and compared the contrast between placenta and myometrium. We reviewed medical records to identify complications during the placental delivery and the complications of their newborns.
In the early phase after contrast enhancement, multiple foci of the strong lobular enhancement were observed in all cases. Other parts of placenta were slowly but strongly enhanced following them. We speculated that the former corresponded to intervillous space and the latter decidua basalis. The contrast between placenta and myometrium tended to be distinct near the inner cervical os on both T2WI and dynamic contrast study. On the other hand, it was indistinct in the upper part of the uterine body on T2WI despite it was clearly demonstrated on dynamic contrast study. The placentae were delivered without any complication in all cases. Although two neonates showed fetal distress, none of the infant remained any sequelae at the time of the discharge. The other four were well although one of them complicated with meconium staining.
As dynamic contrast MRI can differentiate chorionic villi and decidua basalis, and can provide excellent contrast between placenta and myometrium at anywhere within the uterus, it may be a promising technique for antepartum diagnosis of the placenta accreta.</description><subject>Biological and medical sciences</subject><subject>Chorionic Villi - pathology</subject><subject>Decidua - pathology</subject><subject>Diseases of mother, fetus and pregnancy</subject><subject>Dynamic contrast MRI</subject><subject>Female</subject><subject>Genital system. Mammary gland</subject><subject>Gestational Age</subject><subject>Gynecology. Andrology. Obstetrics</subject><subject>Humans</subject><subject>Image Enhancement</subject><subject>Infant, Newborn</subject><subject>Intrauterine exposure of contrast material</subject><subject>Investigative techniques, diagnostic techniques (general aspects)</subject><subject>Magnetic Resonance Imaging</subject><subject>Medical sciences</subject><subject>Myometrium - pathology</subject><subject>Placenta - pathology</subject><subject>Placenta abnormalities</subject><subject>Placenta accreta</subject><subject>Placenta Accreta - diagnosis</subject><subject>Pregnancy</subject><subject>Pregnancy. Fetus. Placenta</subject><subject>Prenatal Diagnosis</subject><subject>Radiodiagnosis. Nmr imagery. Nmr spectrometry</subject><subject>Trophoblasts - pathology</subject><issn>0730-725X</issn><issn>1873-5894</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2001</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqF0Etv1DAUhmELgehQ-Akgb0CwCNhxfOmqQhXQSkVIXAQ768zxSWtI4mA7SP33ZDojumTlzfPZ1svYUyleSyHNmy_CKtHYVv94KeQrIZRzjb7HNtJZ1Wh30t1nm3_kiD0q5acQQrdKP2RHUhrbmlZu2PfzeHXNK41zyjDwTCUNS41p4uFmgjEixzTVDKXyj58veJw48OvdJMfyi1_ltMy8T5nPAyBNFTggZqrwmD3oYSj05HAes2_v3309O28uP324OHt72WCnbW06skGZHkIg406EsQp0j1ZtWwRjBATXg8BOgiF02wCmJQyIcrWddqpTx-zF_t45p98LlerHWJCGASZKS_G2bVtrjVmh3kPMqZRMvZ9zHCHfeCn8rqi_Lep3ubyQ_rao1-vu2eGBZTtSuFsdEq7g-QFAQRj6DBPGcudUZ40UbnWne0drjj-Rsi8YaUIKMRNWH1L8z1f-Ag8Dk8I</recordid><startdate>20010601</startdate><enddate>20010601</enddate><creator>Tanaka, Yumiko O.</creator><creator>Sohda, Satoshi</creator><creator>Shigemitsu, Sadahiko</creator><creator>Niitsu, Mamoru</creator><creator>Itai, Yuji</creator><general>Elsevier Inc</general><general>Elsevier Science</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20010601</creationdate><title>High temporal resolution dynamic contrast MRI in a high risk group for placenta accreta</title><author>Tanaka, Yumiko O. ; Sohda, Satoshi ; Shigemitsu, Sadahiko ; Niitsu, Mamoru ; Itai, Yuji</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c457t-4e7d36fadde6890673a5fc73b2ca660ad8fa0c41a6ec8bda62ecdcc1890458343</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2001</creationdate><topic>Biological and medical sciences</topic><topic>Chorionic Villi - pathology</topic><topic>Decidua - pathology</topic><topic>Diseases of mother, fetus and pregnancy</topic><topic>Dynamic contrast MRI</topic><topic>Female</topic><topic>Genital system. Mammary gland</topic><topic>Gestational Age</topic><topic>Gynecology. Andrology. Obstetrics</topic><topic>Humans</topic><topic>Image Enhancement</topic><topic>Infant, Newborn</topic><topic>Intrauterine exposure of contrast material</topic><topic>Investigative techniques, diagnostic techniques (general aspects)</topic><topic>Magnetic Resonance Imaging</topic><topic>Medical sciences</topic><topic>Myometrium - pathology</topic><topic>Placenta - pathology</topic><topic>Placenta abnormalities</topic><topic>Placenta accreta</topic><topic>Placenta Accreta - diagnosis</topic><topic>Pregnancy</topic><topic>Pregnancy. Fetus. Placenta</topic><topic>Prenatal Diagnosis</topic><topic>Radiodiagnosis. Nmr imagery. Nmr spectrometry</topic><topic>Trophoblasts - pathology</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Tanaka, Yumiko O.</creatorcontrib><creatorcontrib>Sohda, Satoshi</creatorcontrib><creatorcontrib>Shigemitsu, Sadahiko</creatorcontrib><creatorcontrib>Niitsu, Mamoru</creatorcontrib><creatorcontrib>Itai, Yuji</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Magnetic resonance imaging</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Tanaka, Yumiko O.</au><au>Sohda, Satoshi</au><au>Shigemitsu, Sadahiko</au><au>Niitsu, Mamoru</au><au>Itai, Yuji</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>High temporal resolution dynamic contrast MRI in a high risk group for placenta accreta</atitle><jtitle>Magnetic resonance imaging</jtitle><addtitle>Magn Reson Imaging</addtitle><date>2001-06-01</date><risdate>2001</risdate><volume>19</volume><issue>5</issue><spage>635</spage><epage>642</epage><pages>635-642</pages><issn>0730-725X</issn><eissn>1873-5894</eissn><coden>MRIMDQ</coden><abstract>Antenatal diagnosis of placenta accreta with MR is not easy even now because T
2-weighted images (T2WI) cannot differentiate chorionic villi from decidua basalis. We performed dynamic contrast MRI to study whether trophoblastic villi could be separately demonstrated from the decidua basalis, and whether the contrast resolution between the placenta and myometrium could improve compared to T2WI.
Six pregnant women with prior cesarean section were examined at 34–38 gestational weeks. Sagittal T
2-weighted images with fast spin echo sequences and dynamic contrast studies with fast field echo sequence every 10–14 s after contrast injection were performed. We analyzed the enhancing pattern of the placenta and compared the contrast between placenta and myometrium. We reviewed medical records to identify complications during the placental delivery and the complications of their newborns.
In the early phase after contrast enhancement, multiple foci of the strong lobular enhancement were observed in all cases. Other parts of placenta were slowly but strongly enhanced following them. We speculated that the former corresponded to intervillous space and the latter decidua basalis. The contrast between placenta and myometrium tended to be distinct near the inner cervical os on both T2WI and dynamic contrast study. On the other hand, it was indistinct in the upper part of the uterine body on T2WI despite it was clearly demonstrated on dynamic contrast study. The placentae were delivered without any complication in all cases. Although two neonates showed fetal distress, none of the infant remained any sequelae at the time of the discharge. The other four were well although one of them complicated with meconium staining.
As dynamic contrast MRI can differentiate chorionic villi and decidua basalis, and can provide excellent contrast between placenta and myometrium at anywhere within the uterus, it may be a promising technique for antepartum diagnosis of the placenta accreta.</abstract><cop>New York, NY</cop><pub>Elsevier Inc</pub><pmid>11672621</pmid><doi>10.1016/S0730-725X(01)00388-5</doi><tpages>8</tpages></addata></record> |
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| ispartof | Magnetic resonance imaging, 2001-06, Vol.19 (5), p.635-642 |
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| source | MEDLINE; Elsevier ScienceDirect Journals |
| subjects | Biological and medical sciences Chorionic Villi - pathology Decidua - pathology Diseases of mother, fetus and pregnancy Dynamic contrast MRI Female Genital system. Mammary gland Gestational Age Gynecology. Andrology. Obstetrics Humans Image Enhancement Infant, Newborn Intrauterine exposure of contrast material Investigative techniques, diagnostic techniques (general aspects) Magnetic Resonance Imaging Medical sciences Myometrium - pathology Placenta - pathology Placenta abnormalities Placenta accreta Placenta Accreta - diagnosis Pregnancy Pregnancy. Fetus. Placenta Prenatal Diagnosis Radiodiagnosis. Nmr imagery. Nmr spectrometry Trophoblasts - pathology |
| title | High temporal resolution dynamic contrast MRI in a high risk group for placenta accreta |
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