Purpose or Case Report: Abnormal head shape is a common indication for imaging. While radiographs and ultrasound can play an important role, computed tomography is often the first imaging modality in the imaging work-up of abnormal head shape. It is important to understand the imaging appearance of normal sutures on each imaging modality and the normal progression of suture closure. The aim of this pictorial essay is to demonstrate the normal imaging appearance of the sutures on radiograph, ultrasound and computed tomography and to illustrate the features of the most common synostoses including single-suture craniosynostoses involving the metopic, sagittal and coronal sutures, and multi-suture craniosynostosis including Apert’s syndrome, Crouzon’s syndrome and Pfeiffer syndrome. In particular, we discuss the imaging work-up of multi-suture craniosynostosis including use of magnetic resonance imaging with an emphasis on pre- and post-operative imaging features and reporting tips.
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