Hemimelia
Other namesLongitudinal meromelia
Terminal defect of an arm with transverse, incomplete hemimelia
SpecialtyMedical genetics Edit this on Wikidata

Hemimelia is a birth defect consisting in unilateral or bilateral underdevelopment of the distal part of the lower or upper limb.[1] The affected bone may be shortened or not develop at all.[2][3]

Types of hemimelia

Hemimelia of the right leg (complete absence of leg with foot on hip)

Transverse hemimelia is a congenital absence of part or all of a limb (including hand or foot) and is called amelia when the entire limb is missing.[2][4] Paraxial hemimelia means partial absence of one of the elements of the limb in the longitudinal axis (in phocomelia there is no complete absence of a part of the limb).[2]

Sub types of hemimelia are the following:

  • Fibular hemimelia, Congenital longitudinal deficiency of the fibula or fibular longitudinal meromelia[5]
  • Tibial hemimelia, Congenital longitudinal deficiency of the tibia, Congenital aplasia and dysplasia of the tibia with intact fibula, Congenital longitudinal deficiency of the tibia or tibial longitudinal meromelia[6]
  • Radial hemimelia, Congenital longitudinal deficiency of the radius, radial clubhand, radial longitudinal meromelia or radial ray agenesis[7]
  • Ulnar hemimelia, Congenital longitudinal deficiency of the ulna, ulnar clubhand or ulnar longitudinal meromelia[8]

References

  1. ↑ "hemimelia", The Free Dictionary, retrieved 2023-03-20
  2. 1 2 3 Bowen, Richard E.; Otsuka, Norman Y. (2020). "The Child with a Limb Deficiency". rchsd.org. Retrieved 2023-03-20.
  3. ↑ Lorkowski, Jacek; Zakrzewska, Urszula; Hładki, Waldemar (2006). "Anatomiczne podstawy klasyfikacji wrodzonych ubytków kończyn". Przegląd Lekarski. 63, supl. 5. ISSN 0033-2240.
  4. ↑ CDC (2021-03-18). "Amelia". Centers for Disease Control and Prevention. Retrieved 2023-03-20.
  5. ↑ Orphanet 93323
  6. ↑ Orphanet 93322
  7. ↑ Orphanet 93321
  8. ↑ Orphanet 93320
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