Metopic synostosis

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the metopic suture runs down the midline of the forehead

if there is premature fusion of this suture (

) then this results in a triangular shaped forehead called trigonocephaly

in metopic synostosis, a bony ridge is generally palpable - this extends from the bridge of the nose to the upper part of the forehead

premature fusion results in a prominent midline keel with lateral recession of the brows

from the frontal view these patients typically have the appearance of hypotelorism or decreased distance between the eyes

incidence of metopic synostosis in most cases of craniosynostosis is between 5-10%

deformity is usually obvious at birth, but the severity of the anomaly may vary

treatment involves releasing the suture and expanding and rounding out the upper face, forehead and skull

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Metopic synostosis

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