According to a study of patients with<unk> , the median life expectancy varies depending on the subtype. In<unk>  type A, the mean age at death (± standard deviation) was 15.22 ± 4.22 years. For Type B, it was 18.91 ± 7.33 years, and for Type C it was 23.43 ± 9.47 years. The mean life expectancy for Type A has increased since the 1970s.
Sanfilippo syndrome
Autism spectrum
DeSanto-Shinawi syndrome
Filippi Syndrome
Treacher Collins syndrome
Pelger–Huët anomaly
Van der Woude syndrome
Van Gogh syndrome