| Pitfalls in the diagnosis of nonconjoined monoamniotic twins. | |
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MedLine Citation:
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PMID: 8648458 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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The morbidity and mortality of monoamniotic twins are high. Despite recent advances in imaging, the definitive diagnosis of monoamniotic twins remains elusive. When monoamniotic twins are suspected, the optimal antepartum management is uncertain. A false-positive diagnosis of monoamniotic twins by computed tomographic amniography was investigated. By a Medline search the literature on monoamnionicity from 1966 to January 1994 was reviewed. All reports including diagnostic methods and management of monoamniotic twins were reviewed. All five previous case reports of computed tomographic amniography correctly identified amnionicity in cases in which amnionicity was unclear. Four cases confirmed monoamnionicity and one case excluded monoamnionicity. Four recent series that used ultrasonography revealed a low predictive accuracy (9% to 25%) for the establishment of monoamnionicity when intervening membranes were absent. One recent prospective series revealed a positive predictive value of 80% among five monoamniotic twin pairs with the use of first-trimester ultrasonography. The methods available to diagnose monoamniotic twins are improving. The complications that result from a false-positive diagnosis are discussed and the management and diagnosis of monoamniotic twins are reviewed. |
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Authors:
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K Strohbehn; B J Dattel |
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Publication Detail:
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Type: Case Reports; Journal Article; Review |
Journal Detail:
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Title: Journal of perinatology : official journal of the California Perinatal Association Volume: 15 ISSN: 0743-8346 ISO Abbreviation: J Perinatol Publication Date: 1995 Nov-Dec |
Date Detail:
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Created Date: 1996-07-19 Completed Date: 1996-07-19 Revised Date: 2005-11-16 |
Medline Journal Info:
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Nlm Unique ID: 8501884 Medline TA: J Perinatol Country: UNITED STATES |
Other Details:
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Languages: eng Pagination: 484-93 Citation Subset: IM |
Affiliation:
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Department of Obstetrics, Gynecology, University of California, San Francisco, USA. |
Export Citation:
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APA/MLA Format Download EndNote Download BibTex |
| MeSH Terms | |
Descriptor/Qualifier:
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Adult Amnion* / radiography, ultrasonography Diagnostic Errors Female Humans Monitoring, Physiologic Pregnancy Pregnancy Outcome Prenatal Diagnosis* / methods Reproducibility of Results Tomography, X-Ray Computed Twins, Monozygotic* Ultrasonography, Prenatal |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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