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Czasopismo

2012 | 71 | 3 |

Tytuł artykułu

Median nerve thenar motor branch anatomical variations

Warianty tytułu

Języki publikacji

EN

Abstrakty

EN
Background: The aim of this study was to determine the prevalence of the different types of median nerve thenar motor branch and to compare them with literature data. Material and methods: This study was conducted using median nerves dissected from cadavers stored in a 10% solution of formaldehyde at the Department of Anatomy of Jagiellonian University Medical College (JUMC) and cadavers from the Department of Forensic Medicine JUMC. The research protocol was approved by the Jagiellonian University Ethics Committee (registry KBET/209/B/2002). Results: The studied group comprised 8 (26.7%) women and 22 men (age between 23 and 92 years), yielding a total of 60 thenar motor branches (30 right vs. 30 left). Forty-seven (78.3%) nerves were classified as extraligamentous, 12 (20%) were subligamentous, and 1 (1.7%) was transligamentous. As for the side of origin of the thenar motor branch, in 45 (75%) cases it was the radial side and in 2 (3.33%) cases it was the ulnar side. Conclusions: The obtained results confirm that the extraligamentous type of thenar motor branch is the most common and that the ulnar origin of the thenar motor branch is the rarest. (Folia Morphol 2012; 71, 3: 183–186)

Słowa kluczowe

Wydawca

-

Czasopismo

Rocznik

Tom

71

Numer

3

Opis fizyczny

p.183-186,fig.,ref.

Twórcy

autor
  • Department of Anatomy, Jagiellonian University Medical College, ul.Kopernika 12, 31–034 Krakow, Poland
  • Department of Anatomy, Jagiellonian University Medical College, ul.Kopernika 12, 31–034 Krakow, Poland
autor
  • Department of Anatomy, Jagiellonian University Medical College, ul.Kopernika 12, 31–034 Krakow, Poland
autor
  • Institute of Physiotherapy, Jagiellonian University Medical College, Krakow, Poland
autor
  • Department of Anatomy, Jagiellonian University Medical College, ul.Kopernika 12, 31–034 Krakow, Poland

Bibliografia

  • 1. Ahn DS, Yoon ES, Koo SH, Park SH (2000) A prospective study of the anatomic variations of the median nerve in the carpal tunnel in Asians. Ann Plast Surg, 44: 282–287.
  • 2. Al-Qattan MM (2010) Variations in the course of the thenar motor branch of the median nerve and their relationship to the hypertrophic muscle overlying the transverse carpal ligament. J Hand Surg Am, 35: 1820–1824.
  • 3. Barbe M, Bradfield J, Donathan M, Elmaleh J (2005) Coexistance of multiple anomalies in the carpal tunnel. Clin Anat, 18: 251–259.
  • 4. Bennett JB, Crouch CC (1982) Comparison syndrome of the recurrent motor branch of the median nerve. J Hand Surg, 7: 407–409.
  • 5. Beris AE, Lykissas MG, Kontogeorgakos VA, Vekris MD, Korompilias AV (2008) Anatomic variations of the median nerve in the carpal tunnel release. Clin Anat, 21: 514–518.
  • 6. Demircay E, Civelek E, Cansever T, Kabatas S, Yilmaz C (2011) Anatomic variations of the median nerve in the carpal tunnel: a brief review of the literature. Turk Neurosurg, 21: 388–396.
  • 7. Hurwitz PJ (1996) Variation in the course of the thenar motor branch of the median nerve. J Hand Surg, 21: 344–346.
  • 8. Johnson RK, Shrewsbury MM (1970) Anatomical course of the thenar branch of the median nerve — usually in a separate tunnel through the transverse carpal ligament. J Bone Joint Surg, 52: 269–273.
  • 9. Kozin SH (1998) The anatomy of the recurrent branch of the median nerve. J Hand Surg, 23: 852–858.
  • 10. Lanz U (1977) Anatomical variations of the median nerve in the carpal tunnel. J Hand Surg, 2: 44–53.
  • 11. Lindley SG, Kleinert JM (2003) Prevalence of anatomic variations encountered in elective carpal tunnel release. J Hand Surg, 28: 849–855.
  • 12. Mackinnon SE, Dellon AL (1988) Anatomic investigations of nerves at the wrist: I. Orientation of the motor fascicle of the median nerve in the carpal tunnel. Ann Plast Surg, 21: 32–35.
  • 13. Poisel S (1974) Ursprung und verlauf des ramus muscularis des nervus digitalis palmaris communis I (N. medianus). Chir Praxis, 18: 471–474.
  • 14. Rotman MB, Donovan JP (2002) Practical anatomy of the carpal tunnel. Hand Clin, 18: 219–230.
  • 15. Tountas CP, Bhrle DM, MacDonald CJ, Bergman RA (1987) Variations of the median nerve in the carpal. J Hand Surg, 12: 708–712.
  • 16. Wolf AW, Packard S, Chow JC (1993) Transligamentous motor branch of the median nerve discovered during endoscopically assisted carpal tunnel release. Arthroscopy, 9: 222–223.

Typ dokumentu

Bibliografia

Identyfikatory

Identyfikator YADDA

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