Document Detail

Fetal ocular measurements by MRI.
MedLine Citation:
PMID:  20827670     Owner:  NLM     Status:  In-Process    
OBJECTIVE: To present fetal magnetic resonance imaging (MRI) ocular measurement ranges by gestational age (GA) in normal and growth-restricted fetuses.
METHODS: A total of 298 pregnant women from the 18th to the 39th week of gestation were imaged using MRI. Ocular measurements including binocular distance (BOD), interocular distance (IOD), transverse ocular diameter (OD) and anterior-posterior (AP) OD were measured. The curve estimation analyses for linear, logarithmic and quadratic models were performed. The ocular measurements of the fetuses with intrauterine growth restriction (IUGR) were compared with that of the normal fetuses.
RESULTS: The fetal eye resembles an ellipsoid with significantly longer OD and shorter AP (t = - 22.07, p < 0.001). The quadratic model was the best model in predicting growth of the fetal BOD, IOD, OD and AP. The ocular measurements of the fetuses with IUGR were significantly different from that of the normal fetuses (BOD: t = 3.58, p < 0.001; IOD: t = 5.73, p < 0.001; OD: t = 3.52, p < 0.001; AP: t = 2.19, p < 0.05).
CONCLUSION: Fetal ocular growth can be readily assessed by fetal MRI. Using the normative data provided in this study, fetal ocular anomalies may be detected. Ocular size is frequently reduced in the condition of IUGR, with potential pathologic impact on postnatal vision.
Xiao Bing Li; Gregor Kasprian; Jacqueline C Hodge; Xiao Li Jiang; Dieter Bettelheim; Peter C Brugger; Daniela Prayer
Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Prenatal diagnosis     Volume:  30     ISSN:  1097-0223     ISO Abbreviation:  Prenat. Diagn.     Publication Date:  2010 Nov 
Date Detail:
Created Date:  2010-10-29     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8106540     Medline TA:  Prenat Diagn     Country:  England    
Other Details:
Languages:  eng     Pagination:  1064-71     Citation Subset:  IM    
Department of Radiology, Nanjing Medical University affiliated Suzhou Hospital, Suzhou Municipal Hospital, Suzhou, China.
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