Classification & external resources
Macrocephaly (from the Greek words μακρύς, meaning "long", and κεφάλη, meaning "head"), is when the head circumference is larger than average for the age and sex of the infant or child.
Additional recommended knowledge
It is sometimes associated with certain disorders. Macrocephaly also may be inherited.
Macrocephaly may be caused by an enlarged brain or hydrocephalus. It may be associated with other disorders such as dwarfism, autism, neurofibromatosis, glutaric acidemia type 1 (GA1), tuberous sclerosis and Cowden disease (multiple hamartoma syndrome).
|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)
|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)|