Management of Patella Dislocation in Say-Barber-Biesecker-Young-Simpson’s Syndrome: A Report of Two Cases

Table 2

Clinical diagnosis guide by Campeau et al. [3].

Category	Features	Likelihood to have the syndrome
Major features	Long thumbs/great toes	(i) Two major features, or
	Immobile mask-like face	(ii) One major feature and two minor features
	Blepharophimosis/ptosis
	Lacrimal duct anomalies
	Patellar hypoplasia/agenesis
Minor features	Congenital heart defect	(i) Two major features, or
	Dental anomalies	(ii) One major feature and two minor features
	Hearing loss
	Thyroid anomalies
	Cleft palate
	Genital anomalies
	Hypotonia
	Global developmental delay/intellectual disability