X-linked Opitz G/BBB syndrome
X-linked Opitz G/BBB syndrome (XLOS) is an x-linked disorder with a spectrum of congenital anomalies. Anomalies that may be seen are:
- facial anomalies
- ocular hypertelorism
- prominent forehead
- widow's peak
- broad nasal bridge
- anteverted nares
- cleft lip and/or palate
- laryngotracheoesophageal defects
- genitourinary abnormalities
- hypospadias
- cryptorchidism
- hypoplastic scrotum
- bifid scrotum
- congenital hearing defects
- imperforate or ectopic anus
- midline brain defects
- Dandy-Walker malformation
- agenesis or hypoplasia of corpus callosum and/or cerebellar vermis