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Case Report: Neurogenic Thoracic Outlet Syndrome Without Electrophysiologic Abnormality
- Source :
- Frontiers in Neurology, Frontiers in Neurology, Vol 12 (2021)
- Publication Year :
- 2021
- Publisher :
- Frontiers Media SA, 2021.
-
Abstract
- Neurogenic thoracic outlet syndrome (N-TOS) is a chronic compressive brachial plexopathy that involves the C8, T1 roots, and/or lower trunk. Medial antebrachial cutaneous (MABC) nerve conduction study (NCS) abnormality is reportedly one of the most sensitive findings among the features of N-TOS. The aim of the present study was to report clinical features, imaging findings, treatment, and prognoses of two N-TOS patients with no abnormalities in electrophysiological studies. Both patients presented with paresthesia of unilateral arm, and examination revealed no neurologic deficits. Electrophysiologic studies including MABC NCS were normal. Computed tomography (CT) angiography and brachial plexus magnetic resonance imaging (MRI) of the patients showed compression and displacement of the neurovascular bundle in the thoracic outlet by causative structures. Due to their sensory symptoms and CT angiography and brachial plexus MRI findings, after excluding other diseases, we diagnosed them with N-TOS. With the development of imaging techniques, more patients presenting with clinical features of lower trunk brachial plexopathy and anomalous structures compressing the neurovascular bundle on imaging studies can be diagnosed with N-TOS, even if electrophysiologic studies including MABC NCS do not show abnormalities.
- Subjects :
- Thoracic outlet
medicine.medical_specialty
neurogenic thoracic outlet syndrome
lcsh:RC346-429
030218 nuclear medicine & medical imaging
brachial plexus magnetic resonance imaging
03 medical and health sciences
0302 clinical medicine
medicine
case report
lcsh:Neurology. Diseases of the nervous system
medicine.diagnostic_test
business.industry
Magnetic resonance imaging
Neurovascular bundle
medial antebrachial cutaneous nerve
CT angiography
Neurology
Angiography
Nerve conduction study
Brachial Plexopathy
Neurology (clinical)
Radiology
Abnormality
business
Brachial plexus
030217 neurology & neurosurgery
Subjects
Details
- ISSN :
- 16642295
- Volume :
- 12
- Database :
- OpenAIRE
- Journal :
- Frontiers in Neurology
- Accession number :
- edsair.doi.dedup.....a93edc81c3d8277ef2f58003562d9b91