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Plagiocephaly

**Plagiocephaly**
*Classification & external resources*
ICD-10	Q67.3
ICD-9	754.0
DiseasesDB	29858

Plagiocephaly is a type of cephalic disorder. Plagiocephaly is a condition characterized by an asymmetrical distortion (flattening of one side) of the skull. It is a common finding at birth and may be the result of a restrictive intrauterine environment. If there is premature union of skull bones, this is more properly called craniosynostosis. The unusual head shape in plagiocephaly is caused by pressure in the womb giving a "diamond" shaped head when seen from above. In pronounced cases there may be flattening of one side of the chest as well. As the child's head grows rapidly after birth, this visible inequality nearly always gets much less marked as the first year progresses.

Additional recommended knowledge

v • d • e Congenital malformations and deformations of musculoskeletal system (Q65-Q79, 754-756)
Limbs	hip: Dislocation of hip/Hip dysplasia feet (Club foot, Flat feet, Pes cavus) head, face, spine and chest: skull, face and jaw (Dolichocephaly, Plagiocephaly) - Scoliosis - chest (Pectus excavatum, Pectus carinatum) Polydactyly/Syndactyly (Webbed toes) reduction deficits (Ectrodactyly, Amelia, Phocomelia) upper limb (Cleidocranial dysostosis, Madelung's deformity, Sprengel's deformity) knee (Genu valgum, Genu varum) Arthrogryposis
Skull and face bones	Craniosynostosis (Scaphocephaly) - Trigonocephaly - Oxycephaly - Crouzon syndrome - Hypertelorism - Macrocephaly - Treacher Collins syndrome - Platybasia
Spine and bony thorax	Klippel-Feil syndrome - Spondylolisthesis - Cervical rib - Bifid rib
Osteochondrodysplasia	growth of tubular bones and spine: Achondrogenesis - Thanatophoric dysplasia - Short rib-polydactyly syndrome - Chondrodysplasia punctata (Rhizomelic chondrodysplasia punctata, Conradi-Hünermann syndrome), Achondroplasia (Hypochondroplasia, Osteosclerosis congenita) - Ellis-van Creveld syndrome - Spondyloepiphyseal dysplasia congenita Osteogenesis imperfecta - McCune-Albright syndrome - Osteopetrosis - Metaphyseal dysplasia - Hereditary multiple exostoses - Osteopoikilosis - Chondrodystrophy - Osteodystrophy
Other	abdominal wall (Congenital diaphragmatic hernia, Omphalocele, Gastroschisis, Prune belly syndrome) - Ehlers-Danlos syndrome
See also non-congenital conditions (M, 710-739)