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The following summary is from Orphanet, a European reference portal for information on rare diseases and orphan drugs.
Orpha Number: 93337
Polydactyly of an index finger or PPD3 is a form of preaxial polydactyly of fingers (see this term), a limb malformation syndrome, where the thumb is replaced by one or two triphalangeal digits with dermatoglyphic pattern specific of the index finger. Two forms of PPD3 have been characterized: unilateral and bilateral (see these terms). There have been no further descriptions in the literature since 1962.
Visit the Orphanet disease page for more resources.
Source: GARD Last updated on 05-01-20
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