All of the following are true about cleft lip and palate except:
- Incidence of cleft lip & palate is 1:600 live bihs - Incidence of isolated clef palate is 1:1000 live bihs Distribution - In unilateral cleft lip the deformity affects the left side in 60% of cases Typical distribution of Cleft types - Cleft lip alone 15% -Cleft lip & palate: 45% (MC) -Isolated cleft palate: 40% Note: - Isolated cleft palate can be diagnosed by ultrasound after 18 weeks gestation Associated Syndromes: - Although most clefts of the lip and palate occur as an isolated deformity, Pierre Robin Sequence remains the most common syndrome. - Other associated syndromes Stickler's (ophthalmic and musculoskeletal abnormalities) Sphrintzen's (cardiac anomalies), Down's, Ape's and Treacher-Collins' syndromes
Associated with Treacher-Collins' syndromes
Cleft lip with cleft palate is most common type
Pierre Robin sequence is the most common syndrome
Isolated cleft palate can be diagnosed by ultrasound after 28 weeks gestation
Facial Injuries and Abnormalities