Editing Macrocephaly (section)

== Associated syndromes ==
{{Prose|section|date=March 2021}}
Below is a list of [[syndrome]]s associated with macrocephaly that are noted in ''Signs and Symptoms of Genetic Conditions: A Handbook''.<ref name=":02"/>
[[File:Lujan.jpg|thumb|[[Lujan–Fryns syndrome]]]]

=== Include multiple major and or minor anomalies ===
* [[Acrocallosal syndrome]]
* [[Apert syndrome]]
* [[Bannayan–Riley–Ruvalcaba syndrome]]
* [[Cardiofaciocutaneous syndrome]]
* [[Chromosome 14 - maternal disomy]]
* [[Chromosome 22qter deletion]]
* [[Cleidocranial dysostosis]]
* [[Costello syndrome]]
* [[Encephalocraniocutaneous lipomatosis]]
* [[FG syndrome]]
* [[Hallermann–Streiff syndrome]]
* [[Hydrolethalus syndrome]]
* [[Hypomelanosis syndrome]]
* [[Hypomelanosis of Ito]]
* [[Kelvin Peter anomaly plus syndrome]]
* [[Lujan–Fryns syndrome]]
* [[Macrocephaly-CM (MCAP)]]
* [[Marshall–Smith syndrome]]
* [[Neuhauser megalocornea/MR syndrome]]
* [[Neurofibromatosis type I]]
* [[Nevoid basal-cell carcinoma syndrome]]
* [[Noonan syndrome]]
* [[Ocular-ectodermal syndrome]]
* [[Osteopathia striata - cranial sclerosis]]
* [[Perlman syndrome]]
* [[Robinow syndrome]]
* [[Simpson–Golabi–Behmel syndrome]]
* [[Sotos syndrome]]
* [[Sturge–Weber syndrome]]
* [[Weaver syndrome]]
* [[Wiedemann–Rautenstrauch syndrome]]
* [[3C syndrome]]

[[File:Boomerang splenial infarct.jpg|thumb|[[Sturge–Weber syndrome]]]]

=== Secondary to a metabolic disorder ===
* [[Glutaric aciduria type II]]
* [[GM1 gangliosidoses|GM1 gangliosidosis]]
* [[Hunter syndrome]]
* [[Hurler syndrome]]
* [[MPS VII]]
* [[Sanfilippo syndrome]]
* [[Zellweger syndrome]]

[[File:Alexander autopsy.jpg|thumb|[[Alexander disease]]]]

=== Associated with a skeletal dysplasia ===
* [[Achondroplasia]]
* [[Campomelic dysplasia]]
* [[Craniodiaphyseal dysplasia]]
* [[Craniometaphyseal dysplasia]]
* [[Hypochondrogenesis]]
* [[Hypochondroplasia]]
* [[Kenny-Caffey syndrome]]
* [[Kniest dysplasia]]
* [[Lenz–Majewski syndrome]]
* [[Osteogenesis imperfecta III]]
* [[Osteopetrosis, autosomal recessive form]]
* [[Schneckenbecken dysplasia]]
* [[Sclerosteosis]]
* [[Short rib syndrome]], [[beemer-langer type]]
* [[Short rib-polydactyly 2 (majewski type)]]
* [[Spondyloepiphyseal dysplasia congenita]]
* [[Thanatophoric dysplasia]]

[[File:Tay-sachsUMich.jpg|thumb|[[Tay–Sachs disease]]]]

=== With no obvious physical findings ===
* [[Alexander disease]]
* [[Canavan disease]]
* [[Cobalamin deficiency]] (combined [[Methylmalonic acidemia|methylmalonic aciduria]] and [[homocystinuria]])
* [[Dandy–Walker malformation]]
* [[Glutaric aciduria type 1]]
* [[L-2-hydroxyglutaric aciduria]]
* [[Megalencephalic leukoencephalopathy with subcortical cysts]]
* [[Osteogenesis imperfecta IV]]
* [[Osteopathia striata-cranial sclerosis]]
* [[Periventricular heterotopia]]
* [[Sandhoff disease]]
* [[Tay–Sachs disease]]