A new method for evaluating short fetal corpus callosum

Tepper, R.; Leibovitz, Z.; Garel, Catherine; Sukenik-Halevy, Rivka

doi:10.1002/pd.5598

Cited by 10 publications

(15 citation statements)

References 28 publications

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“…Indeed, this ratio (internal cranial occipitofrontal dimension/CC length) practically does not change throughout a normal pregnancy and is significantly higher in pregnancies with SCC. For the authors, the mean advantage of measuring this ratio is that it offers a rapid evaluation of the CC without the need to refer to biometry tables [17].…”

Section: Discussionmentioning

confidence: 99%

“…We should underline that the choice of these references remains debatable since variations between references clearly exist but discussion about such variation was beyond the scope of this manuscript. One should note that the interest of measuring a ratio between the CC length and the internal cranial occipitofrontal dimension in midsagittal plane was recently underlined when facing a SCC [17]. Indeed, this ratio (internal cranial occipitofrontal dimension/CC length) practically does not change throughout a normal pregnancy and is significantly higher in pregnancies with SCC.…”

Section: Anatomical Analysis Of the Short Corpus Callosummentioning

confidence: 99%

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Prenatal Imaging Features and Postnatal Outcome of Short Corpus Callosum: A Series of 42 Cases

et al. 2021

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Objectives: Our goal was to provide a better understanding of isolated short corpus callosum (SCC) regarding prenatal diagnosis and postnatal outcome. Methods: We retrospectively reviewed prenatal and postnatal imaging, clinical, and biological data from 42 cases with isolated SCC. Results: Prenatal imaging showed SCC in all cases (n = 42). SCC was limited to rostrum and/or genu and/or splenium in 21 cases, involved body in 16 cases, and was more extensive in 5 cases. Indirect imaging features included typical buffalo horn ventricles (n = 14), septal dysmorphism (n = 14), parallel lateral ventricles (n = 12), and ventriculomegaly (n = 4), as well as atypical features in 5 cases. SCC was associated with interhemispheric cysts and pericallosal lipomas in 3 and 6 cases, respectively. Aneuploidy was found in 2 cases. Normal psychomotor development, mild developmental disorders, and global developmental delay were found in 70, 15, and 15% of our cases, respectively. Conclusions: SCC should be investigated to look for pericallosal lipoma and typical versus atypical indirect features of corpus callosum agenesis (CCA). Prenatal counselling should be guided by imaging as well as clinical and genetic context. Outcome of patients with SCC was similar to the one presenting with complete CCA.

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Section: Discussionmentioning

confidence: 99%

Section: Anatomical Analysis Of the Short Corpus Callosummentioning

confidence: 99%

Prenatal Imaging Features and Postnatal Outcome of Short Corpus Callosum: A Series of 42 Cases

et al. 2021

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“…New methods are also proposed to determine the normality of CC length without using reference charts for gestational age. The ratio between the CC length and the internal cranial occipitofrontal dimension (ICOFD/CC) is unchanged during a normal pregnancy (2.35 ± 0.11) and this ratio is increased (mean ratio: 3.20 ± 0.84) in fetuses with short CC 21 …”

Section: Normal Appearance Of CC In Prenatal Us and Mrimentioning

confidence: 99%

Fetal corpus callosum abnormalities: Ultrasound and magnetic resonance imaging role

Moradi

Taherian

Tahmasebpour³

et al. 2022

J of Clinical Ultrasound

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The corpus callosum (CC) is the major interhemispheric commissure and its abnormalities include agenesis, hypoplasia, and hyperplasia. The CC anomalies are typically related to other central nervous system (CNS) or extra-CNS malformations.The antenatal diagnosis of complete CC agenesis is easy after mid-trimester by ultrasound (US) even in the axial plane. The non-visualization of cavum septum pellucidum and colpocephaly are critical signs in the axial view. More subtle findings (i.e., hypoplasia and partial agenesis) might also be recognized antenatally. In this review, the focus was given on the prenatal diagnosis of CC abnormalities in US and magnetic resonance imaging.

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“…Many factors implicated in CC growth and morphology have been reported. Various studies have indicated environmental factors, ethnicity, prematurity, mother's alcohol intake in prenatal period, and protein-poor diet that are effective in the development of CC (10,28) .…”

Section: Limitationsmentioning

confidence: 99%

Morphometric Analysis of Corpus Callosum with Magnetic Resonance Imaging in Children; Correlation with Age and Gender

Habibi¹,

Gül²,

Çalışkan³

et al. 2021

BUCH

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Objective: Corpus Callosum (CC) is a dynamic organ that undergoes morphological modifications throughout life which must be taken into account for appropriate evaluation of CC. The objectives of this study were to provide normative data about the morphological modifications in CC during childhood and to evaluate possible differences related to age and sex. Methods: In this retrospective study, cranial MRI studies of 320 children (160 boys, and 160 girls) between 2 to 17 years old with normal neurologic examination findings were reviewed. We divided the age groups as increments of 1 year, and included 10 girls and 10 boys, in each age group. The following parameters were measured on midsagittal T1-weighted images: area of CC (CCA), supracallosal area (SCA), length of CC (LCC), genu thickness (GT), body thickness (BT), splenium thickness (ST), ratio of genu thickness to splenium thickness (GT/ST) and a novel parameter termed callosal index (CCA/SCA). These parameters were correlated with age and sex. Results: All parameter values increased with age. After age 10, there was no evident age or gender-related changes between groups, except for the 15-year-old group. When we appraised all age groups, we determined that CCA and SCA were larger in boys but the callosal index did not differ between genders. Conclusion: This is the first study which used the modified callosal index in the pediatric age group. Callosal index gives the opportunity to make brain size corrections according to the individual and allows a more accurate and personal measurement in the follow-up of the same individual. This study offers an objective assessment measure.

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A new method for evaluating short fetal corpus callosum

Cited by 10 publications

References 28 publications

Prenatal Imaging Features and Postnatal Outcome of Short Corpus Callosum: A Series of 42 Cases

Prenatal Imaging Features and Postnatal Outcome of Short Corpus Callosum: A Series of 42 Cases

Fetal corpus callosum abnormalities: Ultrasound and magnetic resonance imaging role

Morphometric Analysis of Corpus Callosum with Magnetic Resonance Imaging in Children; Correlation with Age and Gender

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