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PHARYNGEAL NEURILEMMOMAS OF CRANIAL NERVE ORIGIN Medial Displacement of the Internal Carotid Artery as a Diagnostic Sign

Arch Surg. 1949;59(3):386-397. doi:10.1001/archsurg.1949.01240040394002.
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FOUR patients with tumors of the upper cervical cranial nerves have been studied. All the lesions were neurilemmomas, 3 arising from the vagus nerve and 1 from the hypoglossal. All 4 cases presented a syndrome consisting of dysphagia due to pharyngeal compression and pulsation of the tumor due to medial displacement of the internal carotid artery. In addition, there was a paralysis of the vocal cord on the same side in 2 of the patients whose tumor arose from the vagus nerve. This triad of findings enabled us to make a clinical diagnosis of the lesion in the last 2 patients. The cases are being reported because, as far as we can ascertain, this syndrome has not previously been described.

The neurilemmoma is not a common tumor, but it is by no means rare. The importance of these lesions lies in the fact that, whereas they are benign encapsulated tumors


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