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Fetal Head Abnormalities - Coggle Diagram
Fetal Head Abnormalities
Fetal Head Abnormalities
Head shape
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Variant
Brachiocephaly
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“Strawberry Skull”
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Abnormal
“Lemon Sign”
Frontal bones scalloped
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Microcephaly
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“Sloping forehead”
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Encephalocele
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Encephalocele–cystic or solid paracranialmass, most commonly occipital, caused by a defect in the bony calvarium
Cystic Hygroma
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2/3 have aneuploidy (Turner, Down)
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Cystic Hygroma–post/latnuchal cyst with septationscaused by lymphsystem failure to drain/communicate with venous system
VENTRICULOMEGALY
DESTRUCTIVE
Hydranencephaly
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Possible etiologies (bilateral occlusion ICA, TORCH)
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CNS MALFORMATION
Holoprosencephaly
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Holoprosencephaly–Failure of cleavage and rotation of the prosencephalon. No hemispheric division, monoventricleand ML facial defects
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ACC
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Often associated with other abnormalities (CNS, Body, chromosomal)
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Others
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Intracranial Tumors
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Sono Findings: IC mass, ABN head shape, ventriculomegaly/macrocephaly
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