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Plagiocephaly, also known as flat head syndrome, [1] [2] is a condition characterized by an asymmetrical distortion (flattening of one side) of the skull. A mild and widespread form is characterized by a flat spot on the back or one side of the head caused by remaining in a supine position for prolonged periods.
Unilateral lambdoid synostosis is also called posterior plagiocephaly, indicating that this gives, just like unilateral coronal synostosis, a 'skew head'. The difference is that this time, the deformity mostly shows at the occiput .
Plagiocephaly, trigonocephaly [17] Aurocephalosyndactyly [18] Autosomal dominant intellectual disability-craniofacial anomalies-cardiac defects syndrome: Plagiocephaly Microcephaly [19] Autosomal recessive osteopetrosis Macrocephaly [20]
This can result in skull deformities. If the lambdoid suture closes too soon on one side, the skull will appear twisted and asymmetrical, a condition called "plagiocephaly". Plagiocephaly refers to the shape and not the condition. The condition is craniosynostosis. [citation needed] The lambdoid suture can be damaged by a fall backward. [2]
Cranial sutures. A defining characteristic of Crouzon syndrome is craniosynostosis, which results in an abnormal head shape.This is present in combinations of: frontal bossing, trigonocephaly (fusion of the metopic suture), brachycephaly (fusion of the coronal suture), dolichocephaly (fusion of the sagittal suture), plagiocephaly (unilateral premature closure of lambdoid and coronal sutures ...
Another one is Lambdoid synostosis (posterior plagiocephaly). This rare form of craniosynostosis involves the lambdoid suture, which runs across the skull near the back of the head. It may cause flattening of the baby's head on the affected side. A misshapen head doesn't always indicate craniosynostosis.
Scaphocephaly or sagittal craniosynostosis is a type of cephalic disorder which occurs when there is a premature fusion of the sagittal suture.Premature closure results in limited lateral expansion of the skull, resulting in a characteristic long, narrow head. [1]
Synostosis (from Ancient Greek συν- (syn-) 'together' and ὀστέον (ostéon) 'bone'; plural: synostoses) is fusion of two or more bones.It can be normal in puberty (e.g. fusion of the epiphyseal plate to become the epiphyseal line), or abnormal.