The path of the superior sagittal sinus in unicoronal synostosis

Russell, Aaron J.; Patel, Kamlesh B.; Skolnick, Gary B.; Woo, Albert S.; Smyth, Matthew D.

doi:10.1007/s00381-014-2384-9

Cited by 3 publications

(2 citation statements)

References 12 publications

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“…They also described alterations in cranial base foramina and optic canal positions. Russell et al 10 also reported that the superior sagittal sinus in unilateral coronal synostosis deviates to the contralateral side as it courses posteriorly. Pfaff et al 11 also found zygomatic dysmorphology associated with the synostosed side of unilateral coronal synostosis patients.…”

Section: Plastic and Reconstructive Surgery • May 2021mentioning

confidence: 97%

Weighing In on the Controversy: Preoperative Imaging in Unicoronal Craniosynostosis Leads to Strategic Changes in Surgical Care

Ulma

Ranganathan

Vercler

et al. 2021

Plastic &Amp; Reconstructive Surgery

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raniosynostosis is defined as the premature fusion of the cranial sutures in the infant calvaria. It usually takes place in utero and can occur in single or multiple sutures. 1 In single-suture craniosynostosis, the head takes on a predictably abnormal shape based on the suture involved. Virchow's law describes this phenomenon as the absence of cranial growth perpendicular to the fused suture, with compensatory parallel growth at the patent sutures. 2 Unilateral coronal synostosis, the third most common single-suture craniosynostosis, 3 causes significant craniofacial scoliosis and dysmorphology affecting the face, cranial base, and vault.

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Section: Plastic and Reconstructive Surgery • May 2021mentioning

confidence: 97%

Weighing In on the Controversy: Preoperative Imaging in Unicoronal Craniosynostosis Leads to Strategic Changes in Surgical Care

Ulma

Ranganathan

Vercler

et al. 2021

Plastic &Amp; Reconstructive Surgery

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“…To our knowledge, the study by Russell et al 15 was the only one to examine the position of the sinus relative to the sagittal suture in patients with UCS. They demonstrated a maximum deviation up to 14.4 mm.…”

Section: Discussionmentioning

confidence: 99%

Unilateral coronal synostosis: can we trust the sagittal suture as a landmark for the underlying superior sagittal sinus?

Protzenko¹,

Arnaud²,

Brunelle³

et al. 2016

PED

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OBJECTIVE The sagittal suture is usually considered an external anatomical landmark, indicating the location of the superior sagittal sinus (SSS) for surgical approaches. Children with unilateral coronal synostosis (UCS) often present with an important deviation of the sagittal suture. Because these patients usually undergo frontal reconstruction or even endoscope-assisted minimally invasive procedures, it is imperative to know the location of the SSS. The aim of this investigation was to study the anatomical relationship between the SSS and the sagittal suture in children with anterior plagiocephaly. METHODS The authors retrospectively studied the relationship between the sagittal sinus and the sagittal suture at 5 points: nasion, midpoint nasion-bregma, bregma, midpoint bregma-lambda, and lambda. The study analyzed CT scans of 50 children with UCS admitted to the craniofacial unit of Necker Enfants Malades Hospital between March 2006 and March 2013 and compared them with 50 control children with no evidence of craniosynostosis, bone disease, or genetic syndromes. The authors also analyzed the presence of extracerebral fluid collection and ventricular asymmetry in children with UCS. RESULTS Fifty-six percent of patients had anterior right UCS and 44% had left-sided UCS. Type I UCS was seen in 1 patient, Type IIA in 20 patients, Type IIB in 20 patients, and Type III in 9 patients. The authors found that the nasion is usually deviated to the ipsilateral side of the synostosis, the bregma contralaterally, and the lambda ipsilaterally. The gap distances between the reference point and the SSS were 0–7.3 mm (mean 1.4 mm) at the nasion; 0–16.7 mm (mean 3.8 mm) at the midpoint nasion-bregma; 0–12 mm (mean 5.8 mm) at the bregma; 0–9.5 mm (mean 3 mm) at the midpoint bregma-lambda; and 0–11.6 mm (mean 5.5 mm) at the lambda. Conversely, a discrepancy of more than 1 mm between the SSS and the position of the suture was found only in 7 control cases (14%). Of patients with UCS, 38% presented with an extracerebral fluid collection contralateral to the fused coronal suture. Fifty-two percent had a ventricular asymmetry, which was characterized by reduced ventricular volume ipsilateral to the synostosis in all but 1 patient. CONCLUSIONS In this study, the SSS was usually deviated contralaterally to the closed coronal suture. It tended to be in the midline of the cranial vault and could be projected virtually along an imaginary line passing through the midline of the cranial base. The authors recommend a distance of 37 mm from the sagittal suture as a safety margin during surgery.

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Use of computer-assisted design and manufacturing to localize dural venous sinuses during reconstructive surgery for craniosynostosis

Iyer

Macmillan

et al. 2017

Childs Nerv Syst

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The path of the superior sagittal sinus in unicoronal synostosis

Cited by 3 publications

References 12 publications

Weighing In on the Controversy: Preoperative Imaging in Unicoronal Craniosynostosis Leads to Strategic Changes in Surgical Care

Weighing In on the Controversy: Preoperative Imaging in Unicoronal Craniosynostosis Leads to Strategic Changes in Surgical Care

Unilateral coronal synostosis: can we trust the sagittal suture as a landmark for the underlying superior sagittal sinus?

Use of computer-assisted design and manufacturing to localize dural venous sinuses during reconstructive surgery for craniosynostosis

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