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A Rare Case of Rosai-Dorfman Disease Affecting the Brachial Plexus: A Case Report
Sinus histiocytosis with massive lymphadenopathy or Rosai-Dorfman disease is a rare but well-established entity, commonly affecting the lymph nodes of the head and neck. Extranodal presentation, affecting the central nervous system, eye orbit, kidneys, testis, bones, upper respiratory tract, lungs, thyroid, small intestine, and peritoneum, has been reported. We present a case of a rare presentation of Rosai-Dorfman disease affecting the brachial plexus.Lower Trapezius Muscle Transfer for Elbow Extension Reconstruction After Failed Nerve Transfer for Tetraplegia
Reconstruction of elbow extension is a first priority in the surgical management of patients with tetraplegia. Traditionally, posterior deltoid and biceps to triceps muscle transfers were used, but in recent years, nerve transfers have become the preferred choice of a few surgeons. However, nerve transfer reconstruction failures exist, often related to poor donor nerves, prolonged intervals between the injury and surgery, and advanced patient age. As a valid surgical alternative in such cases, we propose transferring the lower trapezius muscle to reconstruct elbow extension, because this procedure is already being performed successfully in patients with brachial plexus injury.Trapezius Muscle Transfer for Restoration of Elbow Extension in a Traumatic Brachial Plexus Injury
Voluntary elbow extension is essential for optimal upper limb positioning required for daily living activities, particularly above-shoulder maneuvers. The authors present a case of traumatic brachial plexus injury in which paralysis of the musculature selectively supplied by the posterior cord was based on magnetic resonance imaging and nerve conduction studies. An attempt at a radial nerve graft at another center was not effective. Ipsilateral hand function improved after multiple local tendon transfers were performed.
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