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  • Title: Atypical sagittal suture craniosynostosis: pathological considerations for early closure of the anterior part of the sagittal suture.
    Author: Madoka I, Toshiaki H, Tomomi K, Junji T, Takehiko S, Yoshihisa S, Masahiro K, Toshihiro K, Hidenori E.
    Journal: Childs Nerv Syst; 2024 Feb; 40(2):575-580. PubMed ID: 37670139.
    Abstract:
    Sagittal suture synostosis is one of the most common craniosynostoses and is often diagnosed by characteristic narrow and long skull shape, scaphocephaly. However, some patients with sagittal suture synostosis do not present with typical scaphocephaly, making early diagnosis difficult. In this study, five cases of characteristic skull deformity showing a narrowing of the cranium posterior to the coronal suture on computed tomography (CT) are presented. The three older children presented with papilledema and intellectual disability and a closed sagittal suture on CT. The two infant cases were diagnosed with the characteristic cranial deformities with aggravation of the deformity over time, but sagittal suture closure was not evident on CT. All patients underwent cranial remodeling surgery. In the two infant cases, the histopathological findings showed that the anterior part of the sagittal suture was firmly fused with fibrous tissue without bony fusion. These findings suggested that narrowing of the cranium posterior to the coronal suture might be due to functional fusion of the anterior portion of the sagittal suture prior to bony fusion. In an infant presenting with such a deformity that shows aggravation of the deformity over time, surgical treatment should be considered.
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