Fetal central nervous system biometry on MR imaging.

Fetal central nervous system biometry on MR imaging. Research Abstract Details 

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Fetal central nervous system biometry on MR imaging. Abstract Text:

Taylor F Reichel,Ronald M Ramus,Jacqueline T Caire,Linda S Hynan,Kevin P Magee,Diane M Twickler,

OBJECTIVE: We sought to compare the biometry of the fetal head on MR imaging with sonographic measurements in fetuses with and without suspected central nervous system abnormalities. MATERIALS AND METHODS: Blinded retrospective measurements of biparietal diameter, head circumference, and cerebellar width obtained on MR imaging were assigned a gestational age on the basis of median sonographic measurements and compared with sonographic and clinical assignment of gestational age in fetuses with no central nervous system abnormalities. In fetuses with central nervous system abnormalities, the same MR measurements were compared with sonographic measurements obtained within 1 week. Single-shot fast spin-echo sequences were obtained. Pearson's product moment correlation coefficients and paired sample t tests were performed. RESULTS: In 22 fetuses with no suspected central nervous system abnormalities, significant correlation was seen in the assignment of gestational age by MR measurements and sonographic gestational age. In 25 fetuses with central nervous system abnormalities, significant correlation was also seen between biparietal diameter and head circumference measurements. The mean biparietal diameter on MR imaging was greater than on sonography in those fetuses with central nervous system abnormalities (p = 0.038). CONCLUSION: MR imaging measurements of biparietal diameter, head circumference, and cerebellar width are strongly correlated to gestational age in fetuses without central nervous system abnormalities. Significant correlation is found between MR imaging and sonographic measurements of biparietal diameter and head circumference in fetuses with central nervous system abnormalities. Larger biparietal diameter measurements were seen with MR imaging than with sonography in the abnormal group. Fetal central nervous system biometry can be performed as part of the MR imaging evaluation of the fetal central nervous system.

Fetal central nervous system biometry on MR imaging. Publishing Authors By Initials

TF Reichel,RM Ramus,JT Caire,LS Hynan,KP Magee,DM Twickler,

For similar diagnosis: diagnostic techniques and procedures: diagnostic imaging: ultrasonography: ultrasonography, prenatal research abstracts see: diagnosis: diagnostic techniques and procedures: diagnostic imaging: ultrasonography: ultrasonography, prenatal research

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Fetal central nervous system biometry on MR imaging. Journal Published:

PUBLICATION TYPE: Journal Article

Journal: AJR. American journal of roentgenology

VOLUME: 180

Page Numbers: 1155-8

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ISSN: 0361-803X

DAY: 15

MONTH: Apr

YEAR: 2003

Fetal central nervous system biometry on MR imaging. Information

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LANGUAGE: eng

NlmUniqueID: 7708173

Fetal central nervous system biometry on MR imaging. Keywords Mesh Terms:

KEYWORDS: Ultrasonography, Prenatal

MESH TERMS: methods

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Grant and Affiliation Information for Fetal central nervous system biometry on MR imaging.

AFFILIATION: Department of Radiology, University of Texas Southwestern Medical Center, 5323 Harry Hines Blvd., Dallas, TX 75390-8896,USA.

Country: United States

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MEDLINETA: AJR Am J Roentgenol

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