An unusual giant schwannoma of cervical sympathetic chain: a case report

Carotid body tumor (CBT), the most common tumor of the carotid bifurcation, presents as a pulsatile mass. Cervical sympathetic chain (CSC) schwannomas are slow growing lesions originating from myelin-producing Schwann ceils. They may appear pulsatile due to the displacement of vascular structures by the non-vascular mass and thus may mimic a CBT. A case of CSC schwannoma masquerading as CBT in a 25-year-old woman is presented and discussed here.

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Cervical sympathetic chain schwannoma: A case report

Egyptian Journal of Ear Nose Throat and Allied Sciences ◽

10.1016/j.ejenta.2014.03.006 ◽

2014 ◽

Vol 15 (2) ◽

pp. 169-172

Author(s):

Inès Nacef ◽

Skander Kedous ◽

Zied Attia ◽

Slim Touati ◽

Said Gritli

Keyword(s):

Case Report ◽

Sympathetic Chain ◽

Cervical Sympathetic Chain ◽

Cervical Sympathetic

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Parapharyngeal Neck Schwannomas with Unusual Vascular Displacement

Case Reports in Medicine ◽

10.1155/2013/563019 ◽

2013 ◽

Vol 2013 ◽

pp. 1-4 ◽

Cited By ~ 6

Author(s):

Kiran Sargar

Keyword(s):

Case Report ◽

Carotid Body ◽

Carotid Arteries ◽

Sympathetic Chain ◽

External Carotid ◽

Imaging Studies ◽

Cervical Sympathetic Chain ◽

Cervical Sympathetic ◽

Carotid Body Tumors

This case report illustrates two unusual cases of parapharyngeal schwannomas mimicking carotid body tumors in terms of characteristic vascular displacement. Carotid body tumors classically cause splaying of internal and external carotid arteries demonstrating the Lyre sign on imaging. Also interestingly, both of these cases were seen in younger ages and include cervical sympathetic chain schwannoma and vagal schwannoma. However, these schwannomas revealed hypovascularity on imaging studies allowing differentiation from hypervascular carotid body tumors. Preoperative distinction between carotid body tumors and schwannomas is very important.

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When Options are Limited: Case Report of an Ultrasound Guided Stellate Ganglion Block at Bedside

Pain Management Case Reports ◽

10.36076/pmcr.2021/5/45 ◽

2021 ◽

pp. 45-49

Author(s):

Kim T. Nguyen

Keyword(s):

Case Report ◽

Ultrasound Guidance ◽

Ventricular Tachyarrhythmia ◽

Stellate Ganglion ◽

Stellate Ganglion Block ◽

Sympathetic Chain ◽

Anatomical Landmarks ◽

Ganglion Block ◽

Cervical Sympathetic Chain ◽

Cervical Sympathetic

Background: Stellate ganglion block is an option for refractory ventricular tachyarrhythmia. Approaches include using anatomical landmarks or image-guidance with fluoroscopy, computerized tomography, magnetic resonance imaging, or ultrasonography. Case Report: We describe a case of a 70-year-old man with multiple comorbidities presenting with sustained ventricular tachycardia (VT) who received a cervical sympathetic chain block at bedside. This resulted in ablation of his refractory VT and return to a paced rhythm, allowing him to be discharged from the intensive care unit. Conclusion: This case shows the advantages of targeting the cervical sympathetic chain to block the stellate ganglion in a high-risk patient. Doing the procedure under ultrasound guidance allows for real-time visualization with the advantage of being performed at the bedside. Therefore, a cervical sympathetic chain block should be considered for treatment of refractory ventricular arrhythmias. Key words: Cervical sympathetic chain, refractory ventricular tachyarrhythmia, stellate ganglion block, ultrasound guidance

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