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Fetal head shape in spina bifida in the second trimester
M E Furness1, J E Barbary, P W Verco
1Department of Radiology, Queen Victoria Hospital, Adelaide, Australia.
Unequivocal narrowing of the anterior cranium, with an apparent constriction in the approximate region of the coronal sutures, in the absence of oligohydramnios is presented as a warning sign of spina bifida in the second trimester fetus. It makes detailed assessment of the spine, cerebellum, and other ultrasonographic features imperative and may justify amniocentesis.
Unequivocal narrowing of the anterior cranium, with an apparent constriction in the approximate region of the coronal sutures, in the absence of oligohydramnios is presented as a warning sign of spina bifida in the second trimester fetus. It makes detailed assessment of the spine, cerebellum, and other ultrasonographic features imperative and may justify amniocentesis.