Plexopathy

PlexopathyPLEXOPATHY (plexuses) - damage to the nerve plexuses (cervical, brachial, and lumbosacral). Most common lesion of the brachial plexus. Etiology. Trauma (birth, dislocation of the shoulder joint, car accident, compression during prolonged anesthesia or long wearing on the shoulder weights - "cantilever palsy, knife wound), infection (herpes zoster), autoimmune disorders (introduction serum), tumors (carcinoma of the apex of the lung), radiation (radiation therapy), syndrome of the upper aperture of the thorax (cervical ribs, clavicle bone spur). Clinic. There are three types of shoulder plexopathy. If the damage of the roots of C5 and C6 occurs syndrome Erba: paralysis of the deltoid muscle (the inability to lead hands), paralysis of the shoulder and biceps supinator muscles (the impossibility of flexion of the forearm), the paralysis of over - and infraspinatus muscles (the impossibility of external rotation, loss of reflex with m. biceps, anesthesia over the outer upper part of the shoulder). If damaged roots C8 and D1 occurs syndrome Dieren-Klumpke: paralysis of the brush, the syndrome of Horner (indicating the separation of the roots from the spinal cord). In total lesion of the brachial plexus develops paralysis of the muscles of the eponymous half of the shoulder girdle and whole hand and loss of sensation in these areas. One option shoulder plexopathy is neuralgic amyotrophy: followed by severe pain in the shoulder occurs massive atrophic paralysis of the proximal upper extremity. It is assumed autoimmune Genesis of this suffering..



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