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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.
[10] [11] Children born with unilateral coronal synostosis develop due to compensatory mechanisms a skew head; a plagiocephaly. [10] [11] The sagittal suture 'divides' the coronal suture in two halves; unilateral meaning that either the right side or the left side to the sagittal suture is fused. This fact immediately raises an important point.
Brachycephaly [49] Craniofrontonasal dysplasia-Poland anomaly syndrome Less than 10 known cases described. [50] Craniofrontonasal syndrome: Coronal Brachycephaly [51] Craniorhiny: Oxycephaly/turricephaly [52] Craniosynostosis, Boston type Coronal Brachycephaly, brachyturricephaly, trigonocephaly, turricephaly Usually considered nonsyndromic. [53]
The head is unable to grow normally, which leads to a high, prominent forehead (turri brachycephaly) and eyes that appear to bulge and are set wide (hypertelorism). In addition, there is an underdeveloped upper jaw (maxillary hypoplasia). More than half of children with Pfeiffer syndrome have hearing loss; dental problems are common. [4]
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 ...
Brachycephaly (derived from the Ancient Greek βραχύς, 'short' and κεφαλή, 'head') is the shape of a skull shorter than average in its species. It is perceived as a cosmetically desirable trait in some domesticated dog and cat breeds , notably the pug and Persian , and can be normal or abnormal in other animal species.
Infants less than 6 months old will almost always show symptoms that can include irritability, decreased activity, decreased appetite and apnea (breathing that stops and starts). Fever is ...
Antley–Bixler syndrome presents itself at birth or prenatally. [2] Features of the disorder include brachycephaly (flat forehead), craniosynostosis (complete skull-joint closure) of both coronal and lambdoid sutures, facial hypoplasia (underdevelopment); bowed ulna (forearm bone) and femur (thigh bone), synostosis of the radius (forearm bone), humerus (upper arm bone) and trapezoid (hand ...