Polydactyly of a biphalangeal thumb and/or hallux
Synonyms: PPD1 | Preaxial polydactyly type 1
A rare non-syndromic limb malformation characterized by the duplication of one or more skeletal components of a biphalangeal thumb and/or hallux. Hands are preferentially affected (in bilateral) and the right hand is more commonly involved than the left. Hallux duplication may present concomitantly to or independently of thumb polydactyly and is predominantly unilateral right.
Data from Orphanet are used to provide information on a disease's name, synonym(s), and overview.
Orphadata: Free access data from Orphanet. © INSERM 1999. Available on http: //www.orphadata.org. Data version September 2023.
Newly diagnosed with
Polydactyly of a biphalangeal thumb and/or hallux?
Our RARE Concierge Services Guides are available to assist you by providing information, resources and connections as you navigate your rare disease journey.
Syndromes Without A Name (SWAN) Australia
Provide information, support and advocacy to families caring for a child with an undiagnosed or rare genetic condition.
For a list of clinical trials in this disease area, please click here.