• Yan Qu, Haomin Yang, Lichun Wei, and Guoning Su.
• Kunming Medical University, Kunming, Yunnan, P. R. China.
• Medicine (Baltimore). 2023 Mar 31; 102 (13): e33440e33440.

RationaleUltrasound-guided brachial plexus block is a common anesthetic procedure used in upper extremity surgery. However, it may not be a suitable option for some patients.Patient ConcernsA 17-year-old woman with the left palmar schwannoma scheduled for surgical treatment received ultrasound-guided brachial plexus block. The anesthesia modalities of the disease were discussed.DiagnosesBased on the patient's complaints and clinical appearance, provisional diagnosis of neurofibroma was considered.InterventionsIn this case, we present a case of ultrasound-guided axillary brachial plexus block used for upper extremity surgery in this patient. It was not easily and painlessly reduced in the surgery, although the visual analogue scale score was 0 and no motor movements of the left arm and palm were observed. The pain was relieved by intravenous injection of 50 mcg remifentanil.OutcomesImmunohistochemically labeled pathological examination confirmed the mass to be a schwannoma. There was no need to apply additional analgesia after surgery, although the patient felt numbness in the left thumb for 3 days follow up.LessonsEven if there is painless when skin-cutting after implementation of brachial plexus block, the patient is painful when pulls the nerve around the tumor during excision. It is necessary to give an analgesic drug or anesthetize a single terminal nerve as a supplement for brachial plexus block in patients with schwannoma.Copyright © 2023 the Author(s). Published by Wolters Kluwer Health, Inc.

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