Polydactyly (Extra Digits): Types, Causes & Treatment - Cleveland Clinic
2022年10月14日 · Postaxial (ulnar/fibular) polydactyly: An extra pinkie finger or toe; Your provider might refer to your baby’s polydactyly with different terms. Providers sometimes refer to extra big toes as tibial polydactyly and extra pinkie toes as fibular polydactyly.
Polydactyly (Extra Fingers or Toes) - Johns Hopkins Medicine
The location of the extra digit determines the type of polydactyly. The three types include: Postaxial Polydactyly. Postaxial polydactyly is the most common type. It affects approximately 1 in 3,000 newborns. An infant with postaxial polydactyly may have an extra: small finger (ulnar polydactyly) Small toe (fibular polydactyly) Preaxial Polydactyly
Polydactyly - StatPearls - NCBI Bookshelf - National Center for ...
2023年8月8日 · Postaxial polydactyly is more common than preaxial polydactyly and is frequently associated with other congenital defects. Its prevalence is 1-2/1000 live births. [1] [10] Two theories are responsible for the development of polydactyly.
Polydactyly (Extra Fingers or Toes) and Corrective Surgery
2023年3月8日 · The three basic types are based on the location of the extra cleft that occurs during fetal development: The extra cleft can be in the middle of the big toe or thumb (“preaxial”), in the middle of the hand (“axial” or “central”), or over the pinky finger or toe (“postaxial”).
Supernumerary Digit - StatPearls - NCBI Bookshelf
2023年10月29日 · Polydactyly can be categorized into 3 distinct classifications—preaxial, postaxial, and central or mesoaxial—each based on the specific anatomical location involved. Although supernumerary digits typically manifest as isolated occurrences, they can also be associated with specific syndromes.
Polydactyly: Symptoms, causes, and treatments - Medical News Today
2018年4月24日 · Ulnar or postaxial polydactyly or small finger duplication: This is the most common form of the condition, where the extra finger is on the outside of the little finger. This side of the hand is...
What Is Polydactyly? - Healthline
2019年6月26日 · Postaxial polydactyly occurs on the outside of the hand or foot, where the fifth digit is. In the hand, this is called the ulnar side.
Polydactyly: What Is It, Causes, Symptoms | Osmosis
2024年3月5日 · Polydactyly is a birth anomaly where individuals have extra fingers or toes, typically due to genetic mutations. It can appear isolated or as part of a syndrome and is categorized into preaxial, postaxial, and central polydactyly. It is typically diagnosed at birth or through prenatal ultrasound.
Polydactyly: What It Means to Be Born With Six Fingers - WebMD
2024年2月16日 · Polydactyly is the term for when someone has extra digits, or fingers or toes. It usually means that a baby is born with at least six fingers on one or both hands or six toes...
Preaxial and Postaxial Polydactyly - Musculoskeletal Key
2016年7月22日 · Polydactyly refers to having greater than the normal number of digits. Preaxial polydactyly is duplication or splitting of the thumb. Central polydactyly is duplication of the central digits (index, middle, and ring). Postaxial polydactyly is duplication of the small finger.