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- Title
Placental Mesenchymal Dysplasia.
- Authors
Parveen, Zahida; Tongson-Ignacio, Jane Elaine; Fraser, Cory R.; Killeen, Jeffery L.; Thompson, Karen S.
- Abstract
Context.—Placental mesenchymal dysplasia is characterized by placentomegaly and may be mistaken for molar pregnancy both clinically and macroscopically because of the presence of ''grapelike vesicles.'' It may be associated with a completely normal fetus, a fetus with growth restriction, or a fetus with features of Beckwith-Wiedemann syndrome. Objective.—To review the etiology, molecular pathology, gross and microscopic features, clinical presentation, complications, and differential diagnosis of placental mesenchymal dysplasia. Data Sources.—The PubMed and the Medline databases were systematically searched for articles between 1970 and 2006. The following keywords were used: placental mesenchymal dysplasia, mesenchymal hyperplasia, molar pregnancy, pseudomolar pregnancy, Beckwith-Wiedemann syndrome, and placentomegaly. Relevant references from review articles were also searched. Conclusions.—Placental mesenchymal dysplasia should be considered in the differential diagnosis when the ultrasonographic findings show a cystic placenta. Close attention should be paid to fetal morphology for early recognition of fetal complications and to prevent unnecessary termination of pregnancy in cases associated with a normal fetus.
- Subjects
OBSTETRICS; DYSPLASIA; MOLECULAR pathology; DIFFERENTIAL diagnosis; ETIOLOGY of diseases; MOLECULAR biology
- Publication
Archives of Pathology & Laboratory Medicine, 2007, Vol 131, Issue 1, p131
- ISSN
0003-9985
- Publication type
Article
- DOI
10.5858/2007-131-131-pmd