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Incidence of Variations Involving the Anatomy of Guyon’s Canal [Medeniyet Med J]
Medeniyet Med J. 2001; 16(3): 154-156

Incidence of Variations Involving the Anatomy of Guyon’s Canal

Z. Aslı Aktan, M. Asım Özer
Ege University Faculty of Medicine, Department of Anatomy, Izmir

Guyon’s canal or distal ulnar tunnel is a fibroosseus tunnel along the anteromedial portion of the wrist that contains the ulnar nerve and artery. The frequency of anatomic variants in
this area is important for hand surgeon. This study was done by using thirty-six cadaver wrists. The relationship of the deep branch of the ulnar artery to the superficial and deep
branches of the ulnar nerve was found to vary. Surprisingly accessory muscles which are passing through guyon’s canal was not determined in this study. In the same way, aberrant branching of the ulnar nerve in this area was rare.

Keywords: Distal ulnar tunnel, Guyon’s canal, the superficial branch of the ulnar nerve, the deep branch of the ulnar artery


Guyon Kanalındaki Varyasyonların Sıklığı

Z. Aslı Aktan, M. Asım Özer
Ege Üniversitesi Tıp Fakültesi, Anatomi Anabilim Dalı, İzmir

Guyon kanalı, ya da distal ulnar tünel, el bileğinin anteromedialinde bulunan ve n.ulnaris ve a.ulnaris’i içeren fibroosseöz bir tüneldir. Bu bölgedeki anatomik varyasyonlar el cerrahisinde
önem taşımaktadır.

Bu çalışma, 36 kadavra el bileği üzerinde gerçekleştirildi. Ramus palmaris profundus a. ulnaris’in, ramus superficialis n.ulnaris ve ramus profundus n.ulnaris ile ilişkisinde varyasyon
gözlenmiştir. Ancak, Guyon kanalında aksesuar kaslar görülmemiş ve n.ulnaris’in aberran dallarına nadiren rastlanmıştır.

Anahtar Kelimeler: Distal ulnar tünel, Guyon kanalı, ramus superficialis nervus ulnaris, ramus profundus nervus ulnaris


Z. Aslı Aktan, M. Asım Özer. Incidence of Variations Involving the Anatomy of Guyon’s Canal. Medeniyet Med J. 2001; 16(3): 154-156

Corresponding Author: M. Asım Özer, Türkiye


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