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Nerve fibre composition of the palmar cutaneous branch of the median nerve andclinical implicationsAhčan, Uroš ...Fifteen fresh human cadaver hands were dissected, using x2.8 loupe magnification, to study the subcutaneous innervation at the site of the incision (in the line with the radial border of the ring ... finger) for standard open carpal tunnel decompression. Subcutaneous nerve branches were detected and traced proximally to determine their origin. Morphometric analysis of nerve cross sections from the site of the incision and from the main nerve trunk proximal to cutaneous arborisation was performed using light and transmission electron microscopy and a computer-based image analysis system. At the site of the incision, the ulnar sub-branch (US) of the palmar cutaneousbranch of the median nerve (PCBMN), which innervates the skin over the hypothenar eminence, was found in 10 of 15 cases. Branches from the ulnar side were not detected. The main trunk of PCBMN consisted on average of 1000 (SD 229) myelinated axons arranged in 1-4 fascicles. In the US of the PCBMN there were on average 620 (SD 220) myelinated axons, 80% of them smaller than 40 microm(2) i.e. thin myelinated axons, and on average 2037 (SD 1106) unmyelinated axons, arranged in 1-3 fascicles. The ratio of the number of myelinated axons in the US and the main trunk of the PCBMN was on average 63% (SD 19%). Frequency distribution of cross-sectional areas of myelinated axons shows no significant difference between the US and the main nerve trunk of thePCBMN. The importance of incision trauma to subcutaneous innervation of palmar triangle is emphasised and possible mechanisms of scar discomfort are discussed.Vir: British Journal of Plastic Surgery. - ISSN 0007-1226 (Letn. 56, št. 8, 2003, str. 791-796)Vrsta gradiva - članek, sestavni delLeto - 2003Jezik - angleškiCOBISS.SI-ID - 17045977
Avtor
Ahčan, Uroš |
Arnež, Zoran M., 1953- |
Bajrović, Fajko |
Hvala, Anastazija |
Zorman, Peter, 1976-
Teme
Carpal Tunnel Syndrome |
Median Nerve |
Nerve Fibers |
Ultrastructure |
Hand |
Innervation |
Nerve Fibers, Myelinated |
Microscopy, Electron |
Image Processing, Computer-Assisted |
Axons |
Mediani živec |
Roka |
Zapestni prehod, sindrom |
Živčna vlakna |
Aksoni |
Mikroskopija elektronska |
Slika, obdelava z računalnikom |
Živčna vlakna mielinizirana
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
Baze podatkov, v katerih je revija indeksirana
Ime baze podatkov | Področje | Leto |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Ahčan, Uroš | 15894 |
Arnež, Zoran M., 1953- | 04917 |
Bajrović, Fajko | 15151 |
Hvala, Anastazija | 07190 |
Zorman, Peter, 1976- | 24669 |
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