Çetin Kürşad AKPINAR, Murat ÇALIK, Emrah AYTAÇ

TEK BİRTRAVMAYA BAĞLI GELİŞEN İZOLE PERİFERİK SİNİR NÖROPATISI:İKİ OLGU SUNUMU

Muskulokutanöz sinir brakiyal pleksus lateral kordundan ayrılır. Biceps braki ve brakiyalis gibi kasları innerve eder. Ulnar sinir ise brakiyal pleksusun major terminal dalıdır. Ulnar sinirin terminal dalı derin ulnar motor daldır. Hipotenar kasları innerve eder. İzole travmatik sinir hasarı oldukça nadir görülmektedir. İzole travma nedeniyle sinir hasarı gelişmesi nadir bir durumdur. Biz bu yazıda atrofi ve ağrısız güçsüzlük yakınmasıyla başvuran iki izole sinir hasarı olgusu (65 yaşında kadın ve 40 yaşında erkek) sunduk. Olgularımızdaki muskulokutanöz ve derin ulnar motor dal nöropatisinin tek bir travmadan kaynaklandığını düşünmekteyiz. Yapılan elektrodiagnostik testler, izole muskulokutanöz ve derin ulnar motor sinir nöropatisini göstermiştir. Manyetik rezonans görüntüleme ve elektrofizyolojik çalışmalar bu hastalıkların ayırıcı tanısında faydalıdır. Literatürde izole muskulokutanöz ve derin ulnar motor sinir hasarının, tek bir travma nedeniyle oluştuğunu bildiren çok az sayıda olgu sunumu vardır.

ISOLATED PERIPHERAL NERVE NEUROPATHY ASSOCIATED WIHT A SINGLE TRAVMA: REPORT OF TWO CASES

The musculocutaneous nerve arises from the lateral cord of the brachial plexus. It innervates muscles such as the biceps brachi and brachialis. Ulnar nerve is the major terminal branche of brachial Plexus. The deep motor branch of the ulnar nerve is a terminal primarily motor branch of the ulnar nerve. At its origin it innervates the hypothenar muscles. Nerve injury due to isolated trauma is rarely seen. Musculocutaneous and deep ulnar motor branch neuropathy can be caused by repetitive trauma. We present report of two cases of (65 year old female and 40 year old male) isolated nerve injury who complaine of atrophy painless and weakness. Electrophysiological testing revealed a musculocutaneous and deep ulnar nerve neuropathy. Magnetic resonance imaging and electrodiagnostic studies may be useful in differentiating between these conditions. In the literature, there are very few cases in which ısolated lesions of the musculocutaneous and deep ulnar motor nerves lesion have been attributed to a single trauma.

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