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Syndactyly

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  1. Definition
    1. Congenital persistence of webbing between digits
  2. Epidemiology
    1. Most common congenital anomaly of hand and foot
    2. Autosomal dominant inheritance
  3. Pathophysiology
    1. Develops before 6 weeks post-conception
  4. Signs
    1. Digits attached by persistent webbing
    2. Types of Attachment
      1. Simple Syndactyly: Digits attached only by skin
      2. Complicated Syndactyly: Adjacent bone or nail fused
    3. Length of finger in web
      1. Partial Syndactyly: Web extends from base partially
      2. Complete Syndactyly: Web from base to tip of finger
    4. Number of fingers involved
      1. Single Syndactyly: Involves 2 digits in web
      2. Double Syndactyly: Involves 3 digits in web
      3. Triple Syndactyly: Involves 4 digits in web
  5. Associated Conditions
    1. Apert's Syndrome
    2. Carpenter's Syndrome
    3. de Lange's Syndrome
    4. Holt-Oram Syndrome
    5. Orofaciodigital Syndrome
    6. Polysyndactyly
    7. Trisomy 13
    8. Trisomy 18
    9. Trisomy 21
    10. Fetal Hydantoin Syndrome
    11. Laurence-Moon-Biedl Syndrome
    12. Fanconi's Anemia
  6. References
    1. Behrman (2000) Nelson Pediatrics, Saunders, p. 2093
    2. Fuloria (2002) Am Fam Physician 65(2):265

Syndactyly (C0039075)

Definition (MSH)A congenital anomaly of the hand or foot, marked by the webbing between adjacent fingers or toes. Syndactylies are classified as complete or incomplete by the degree of joining. Syndactylies can also be simple or complex. Simple syndactyly indicates joining of only skin or soft tissue; complex syndactyly marks joining of bony elements.
ConceptsCongenital Abnormality (T019)
ICD9755.1, 755.1
MSHD013576
EnglishCongenital webbing of digits, Symphalangism, Symphalangy, Syndactylia, Syndactylias, Syndactylies, Syndactylism, Syndactylus, Syndactyly, Webbed digits, Webbing of digits
Spanishmembrana congenita de los dedos, sindactilia, sinfalangia
Parent Conceptscongenital morphologic anomaly (C0814158), Congenital Abnormality (C0000768), Upper Extremity (C1140618), Other congenital limb anomalies (C0158732), Congenital abnormal Synostosis (C0039093), Limb Deformities, Congenital (C0206762), Syndactyly (C0039075), Ambiguous concept (C1274012), Erroneous concept (C1274015), Congenital bony fusion of phalanges (C1298767), Perodactylia (C0432045), Duplicate concept (C1274013)
SourcesAOD, CST, DXP, ICD9CM, MSH, MTH, MTHICD9, NDFRT, OMIM, SCTSPA, SNOMEDCT
Derived from the NIH UMLS (Unified Medical Language System)



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