Mondo Description An autosomal dominant disease characterized by macrocephaly, facial phenotypes including square outline with frontal bossing, 'dished-out' midface, biparietal narrowing, and long philtrum, developmental delay and autism that has material basis in heterozygous mutation in the PTEN gene on chromosome 10q23.

Uniprot Description Patients have autism spectrum disorders and macrocephaly, with head circumferences ranging from +2.5 to +8 SD for age and sex (average head circumference +4.0 SD).