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Updated: Sep 14, 2025

Creating Radio-cephalic Arteriovenous Fistula in the Forearm with a Modified No-Touch Technique
Published on: April 1, 2022
Cervical lower motor neuron syndrome caused by cervicothoracic dural arteriovenous fistula: illustrative case
Ryusei Nobori1,2, Hisaaki Uchikado1,3,2, Jin Kikuchi2
1Department of Neurosurgery, Saiseikai Fukuoka General Hospital, Fukuoka, Fukuoka, Japan.
Background:
Brachial nerve palsy without sensory impairment is called cervical lower motor neuron syndrome (CLMNS), and differential diagnosis can be difficult.
Observations:
A 50-year-old man presented with left brachial nerve palsy (C7, C8, and T1). Neuroradiological imaging findings showed a dural arteriovenous fistula at the cervicothoracic junction. Symptoms were promptly alleviated by direct shunt occlusion via a microsurgical procedure.
Lessons:
Cervical spinal venous malformations presenting with CLMNS are very rare. It is essential to perform a differential diagnosis and determine surgical treatment based on an understanding of vascular anatomy. https://thejns.org/doi/10.3171/CASE25353.
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