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Reducing the Distance Between Anode and Cathode to Make Handheld Nerve Stimulators More Selective in Nerve Fascicle Selection: Report of Two Cases.
Microsurgery
November 2024
Department of Plastic and Reconstructive Surgery, Hospital Universitario de Getafe, Madrid, Spain.
Article Synopsis
- Precise identification of nerve fascicles is crucial for certain surgeries on peripheral nerves, with bipolar nerve stimulation preferred, but many still use handheld monopolar stimulators.
- The study presents a new technique for monopolar stimulation, where both the anode and cathode are placed on the same nerve fascicle to enhance specificity.
- Two surgical cases demonstrated that this modified method allowed for better selection of nerve fascicles, resulting in successful outcomes without unexpected complications.
Clavicular window for brachial plexus schwannoma removal.
Surg Neurol Int
April 2024
Department of Neurological Surgery, University of Wisconsin Hospitals and Clinics, Madison, Wisconsin, United States.
Background: Schwannomas are benign nerve sheath tumors that can either be sporadic or part of neurofibromatosis type 2 (NF2). Tumors of the brachial plexus (BP) with both supra- and infraclavicular components are uncommon and represent a challenge to complete surgical resection. There are few reports on single clavicular osteotomies for BP exposure; however, there are currently no reports of utilization of a clavicular window for a large schwannoma resection.
View Article and Find Full Text PDFAn algorithmic approach to the management of peripheral nerve tumours.
J Hand Surg Eur Vol
June 2024
Pathology Department, ASST Centro Specialistico Pini-CTO, Milan, Italy.
This article reviews the pathology and management of peripheral nerve tumours, including a framework for investigation and decision-making. Most tumours are benign, including schwannomas and neurofibromas, but malignant peripheral nerve sheath tumours can occur. The risk of malignant change is remote for schwannomas but higher for neurofibromas, particularly in neurofibromatosis type 1.
View Article and Find Full Text PDF[Thoracoscopic Resection of Schwannoma Using Intraoperative Neurophysiological Monitoring: Report of a Case].
Kyobu Geka
October 2023
Tokyo Teishin Hospital, Department of Respiratory Surgery, Tokyo, Japan.
A 28-year-old right-handed woman had been diagnosed with a tumor of 30 mm in a diameter at the right first intercostal space adjacent to brachial nerve plexus. It was incidentally detected by medical checkup examination five years ago. Because the tumor enlarged to 36 mm in five years without any symptoms, thoracoscopic tumor resection was planned for diagnosis.
View Article and Find Full Text PDFLateral Displacement of the Phrenic Nerve in C5 Tumors.
Oper Neurosurg (Hagerstown)
November 2023
Department of Neurosurgery, Mayo Clinic, Rochester, Minnesota, USA.
Background And Objectives: Nerve sheath tumors of the brachial plexus frequently distort the local anatomy, increasing the difficulty of safe exposure and resection. However, lateral displacement of the phrenic nerve has not been previously described. The purpose of this study was thus to illustrate the abnormal lateral displacement of the phrenic nerve in 2 cases of patients undergoing brachial plexus tumor resection and provide a possible mechanism for this observation.
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