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Diagnostic ultrasound ( PDFDrive )

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1200 PART IV Obstetric and Fetal Sonography

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B

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E

FIG. 34.28 Tuberous Sclerosis at 30 Weeks on Magnetic

Resonance Imaging. (A) Typical hamartoma, or giant-cell

tumor, is visible at the foramen of Monro indenting the anterior

frontal horn of the lateral ventricle (arrow). Both ventricles are

dilated. (B) Rhabdomyomas involving the heart are visible as

echogenic cardiac masses in the left and right ventricles (arrows).

(C) and (D) Subependymal hamartomas (arrows) in a different

fetus with cardiac rhabdomyomas. Sagittal views demonstrate

low-signal-intensity lesions projecting into the body and temporal

horn of the lateral ventricles. These subependymal tubers were

not identiied sonographically. (E) Sagittal transvaginal sonogram

from a different fetus shows cortical tuber (arrow). (C and D

reproduced with permission from Levine D. MR imaging of fetal

brain and spine. In: Atlas SW, editor. Magnetic resonance imaging

of the brain and spine. Philadelphia: Lippincott; 2008. 257 )

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