Polysyndactyly

Polysyndactyly or PPD4 is a form of preaxial polydactyly of fingers (see this term), a limb malformation syndrome, characterized by the presence of a thumb showing the mildest degree of duplication, being broad, bifid or with radially deviated distal phalanx. Syndactyly of various degrees of third-and-fourth fingers is occasionally present.

Epicanthus

A fold of skin starting above the medial aspect of the upper eyelid and arching downward to cover, pass in front of and lateral to the medial canthus.

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PMID (PMCID)
7258228	MIXED_SAMPLE	Child
	Further delineation of the C (trigonocephaly) syndrome.
	Antley RM, Hwang DS, Theopold W, Gorlin RJ, Steeper T, Pitt D, Danks DM, McPherson E, Bartels H, Wiedemann HR, Opitz JM. Am J Med Genet. 1981;9(2):147-63.
	The pattern of findings includes an anomaly of the anterior cranium and frontal cortex (trigonocephaly), the root of the nose (broad nasal bridge, epicanthus, and short nose), and palate (thick anterior alveolar ridges); abnormalities of the limbs (polysyndactyly, bridged palmar creases, short limbs, and joint dislocations and/or contractures); visceral defects (congenital heart defects, cryptorchidism, and abnormal lobulations of the lungs and kidneys).