I. Definition

  1. Congenital extra-digit

II. Signs

  1. Extra-digit located more often on feet
  2. Bone palpable within extra-digit
  3. Digit may have voluntary movement

III. Differential Diagnosis

  1. Supernumerary Digit (no bony attachment)

IV. Associated Conditions

  1. Carpenter's Syndrome
  2. Ellis-Van Creveld Syndrome
  3. Meckel-Gruber Syndrome
  4. Trisomy 13
  5. Orofaciodigital Syndrome
  6. Rubinstein-Taybi Syndrome

V. Management

  1. Amputation of digit at age > 1 year

VI. References

  1. Behrman (2000) Nelson Pediatrics, Saunders, p. 2093
  2. Fuloria (2002) Am Fam Physician 65(2):265-70 [PubMed] (or open in [QxMD Read])

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Ontology: Polydactyly (C0152427)

Definition (NCI) A congenital abnormality characterized by more than 5 digits on a hand or foot.
Definition (MSH) A congenital anomaly of the hand or foot, marked by the presence of supernumerary digits.
Concepts Congenital Abnormality (T019)
MSH D017689
ICD9 755.00, 755.0
ICD10 Q69 , Q69.9
SnomedCT 403562000, 156988007, 74537000, 205119005, 367506006, 205120004, 205136002
English Polydactyly, unspecified digits, Hyperdactyly, Polydactylia, Polydactylism, Hyperdactylies, Polydactylias, Polydactylies, Polydactylisms, POLYDACTYLY, Polydactyly, NOS, Polydactyly NOS, Polydactyly, unspecified, Supernumerary digits unspecif, Supernumerary digits, unspecified, Multiple digits, Supernumerary digits, unspecified (disorder), Polydactyly NOS (disorder), Supernumerary digits, Hyperdactyly, Polydactylism, Supernumerary digit(s) NOS, Polydactyly [Disease/Finding], hyperdactyli, supernumerary digits, polydactylia, supernumerary digit, polydactylism, Accessory digit, Supernumerary digit, Polydactyly (disorder), Polydactyly, polydactyly, multiple; digits, Polydactyly (disorder) [Ambiguous]
French POLYDACTYLIE, Polydactylie, nombre de doigts non précisé, Doigts multiples, Polydactylie, Hyperdactylie, Polydactylisme
Portuguese POLIDACTILIA, Dedos múltiplos, Polidactilia de dedos NE, Polidactilia
Spanish POLIDACTILIA, Dedos múltiples, Polidactilia, dedos no especificados, Accessory digit, Supernumerary digit, Polydactyly, dedo accesorio, dedo supernumerario, dedos de la mano supernumerarios, no especificados (trastorno), dedos de la mano supernumerarios, no especificados, dedos supernumerarios, polidactilia (concepto no activo), polidactilia (trastorno), polidactilia, SAI (trastorno), polidactilia, SAI, polidactilia, no especificada, polidactilia, Polidactilia
German POLYDAKTYLIE, mehrere Finger oder Zehen, Polydaktylie, unspezifische Finger oder Zehen, Polydaktylie, nicht naeher bezeichnet, Polydaktylie
Dutch polydactylie, tenen of vingers niet-gespecificeerd, multipele vingers of tenen, multipel; vingers of tenen, Polydactylie, niet gespecificeerd, polydactylie, Polydactylie
Italian Dita multiple, Polidattilia, dita non specificate, Polidattilismo, Iperdattilia, Polidattilia
Japanese 多指症、数詳細不明, タシショウスウショウサイフメイ, タシショウ, タシショウカズショウサイフメイ, タユビショウ, 多指症, 指過剰, 多指, 多趾, 多趾症, 指趾過剰症, 指過剰症, 趾過剰, 趾過剰症
Swedish Polydaktyli
Czech polydaktylie, Polydaktylie, blíže neurčené prsty, Polydaktylie, Nadpočetné prsty
Finnish Polydaktylia
Russian GIPERDAKTILIIA, MNOGOPALOST', POLIDAKTILIIA, ГИПЕРДАКТИЛИЯ, МНОГОПАЛОСТЬ, ПОЛИДАКТИЛИЯ
Korean 다지증, 상세불명의 다지증
Polish Palce nadliczbowe, Polidaktylia
Hungarian Polydactylia, nem meghatározott ujj, Polydactylia, Többszörös ujj