Pediatric radiology · 2008
The frontosphenoidal suture: fetal development and phenotype of its synostosis.
СтатьяНазвание и аннотация: Перевод в очереди
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Mathijssen Irene M J, van der Meulen Jacques J N M, van Adrichem Léon N A, Vaandrager J Michiel, van der Hulst René R W J, Lequin Maarten H, Vermeij-Keers Christl
Аннотация
BACKGROUND: Isolated synostosis of the frontosphenoidal suture is very rare and difficult to diagnose. Little has been reported on the clinical presentation and fetal development of this suture.
OBJECTIVE: To understand the development of the frontosphenoidal suture and the outcome of its synostosis.
MATERIALS AND METHODS: We studied the normal fetal development of the frontosphenoidal suture in dry human skulls and the clinical features of four patients with isolated synostosis of the frontosphenoidal suture.
RESULTS: The frontosphenoidal suture develops relatively late during the second trimester of pregnancy, which explains the mild phenotype when there is synostosis. This rare craniosynostosis results in a deformity that causes recession of the lateral part of the frontal bone and supraorbital rim, with minimal facial asymmetry. Three-dimensional CT is the best examination to confirm the diagnosis.
CONCLUSION: Isolated frontosphenoidal synostosis should be considered in patients with unilateral flattening of the forehead at birth that does not improve within the first few months of life.
OBJECTIVE: To understand the development of the frontosphenoidal suture and the outcome of its synostosis.
MATERIALS AND METHODS: We studied the normal fetal development of the frontosphenoidal suture in dry human skulls and the clinical features of four patients with isolated synostosis of the frontosphenoidal suture.
RESULTS: The frontosphenoidal suture develops relatively late during the second trimester of pregnancy, which explains the mild phenotype when there is synostosis. This rare craniosynostosis results in a deformity that causes recession of the lateral part of the frontal bone and supraorbital rim, with minimal facial asymmetry. Three-dimensional CT is the best examination to confirm the diagnosis.
CONCLUSION: Isolated frontosphenoidal synostosis should be considered in patients with unilateral flattening of the forehead at birth that does not improve within the first few months of life.