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Complex Malformation

Shogan PJS - MedPix (2008)

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Complex Malformation

History: Full-term neonate with abnormal prenatal ultrasound.

Findings: This patient has agenesis of the corpus callosum. The posterior fossa is small, with a normally formed cerebellum, which is compressed inferiorly, and the 4th ventricle and cerebral aqueduct are patent. The globes maintain cross-midline symmetry, and hypotelorism is noted. The optic tracts are normally formed. The thalami are fused, and there is partial interhemispheric fusion of the insular parenchyma, and a suggestion of anterior frontal lobe fusion. There is a partially formed posterior falx cerebri, and anterior interhemispheric fissure. There is a probable large monoventricle with a dorsal interhemispheric cyst, abutting dysplastic cerebral tissue. There is an apparent hypoplastic left internal jugular vein. A cephalocele at the vertex is also noted.

Ddx: Alobar Holoprosencephaly Semilobar Holoprosencephaly Lobar Holoprosencephaly Septooptic Dysplasia Scizencephaly

No MeSH data available.


T2 weighted axial image reveals fusion of the thalami. There is a partially formed posterior falx cerebri, and anterior interhemispheric fissure.  Again noted is a rudimentary left occipital horn abutting dysplastic cerebral tissue.  There is a prominent third ventricle, and left larger than right lateral ventricle.  Additionally, a fluid collection is noted to the right of the posterior falx cerebri.
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MPX1686_synpic41855: T2 weighted axial image reveals fusion of the thalami. There is a partially formed posterior falx cerebri, and anterior interhemispheric fissure. Again noted is a rudimentary left occipital horn abutting dysplastic cerebral tissue. There is a prominent third ventricle, and left larger than right lateral ventricle. Additionally, a fluid collection is noted to the right of the posterior falx cerebri.


Complex Malformation

Shogan PJS - MedPix (2008)

T2 weighted axial image reveals fusion of the thalami. There is a partially formed posterior falx cerebri, and anterior interhemispheric fissure.  Again noted is a rudimentary left occipital horn abutting dysplastic cerebral tissue.  There is a prominent third ventricle, and left larger than right lateral ventricle.  Additionally, a fluid collection is noted to the right of the posterior falx cerebri.
© Copyright Policy - open-access
Related In: Results  -  Collection

License
Show All Figures
getmorefigures.php?uid=MPX1686&req=5

MPX1686_synpic41855: T2 weighted axial image reveals fusion of the thalami. There is a partially formed posterior falx cerebri, and anterior interhemispheric fissure. Again noted is a rudimentary left occipital horn abutting dysplastic cerebral tissue. There is a prominent third ventricle, and left larger than right lateral ventricle. Additionally, a fluid collection is noted to the right of the posterior falx cerebri.

View Article: MedPix Image - MedPix Case

Affiliation: Uniformed Services University

ABSTRACT

Diagnosis: Complex Malformation

History: Full-term neonate with abnormal prenatal ultrasound.

Findings: This patient has agenesis of the corpus callosum. The posterior fossa is small, with a normally formed cerebellum, which is compressed inferiorly, and the 4th ventricle and cerebral aqueduct are patent. The globes maintain cross-midline symmetry, and hypotelorism is noted. The optic tracts are normally formed. The thalami are fused, and there is partial interhemispheric fusion of the insular parenchyma, and a suggestion of anterior frontal lobe fusion. There is a partially formed posterior falx cerebri, and anterior interhemispheric fissure. There is a probable large monoventricle with a dorsal interhemispheric cyst, abutting dysplastic cerebral tissue. There is an apparent hypoplastic left internal jugular vein. A cephalocele at the vertex is also noted.

Ddx: Alobar Holoprosencephaly Semilobar Holoprosencephaly Lobar Holoprosencephaly Septooptic Dysplasia Scizencephaly

No MeSH data available.