Abstract
The danger of the parapharyngeal space mass comes from the small space and vital neighboring structures. Its differential diagnosis is broad, however benign lymphoid hyperplasia in this region has not been previously reported. The clinical presentation, imaging, surgical findings and pathology slides were reviewed in an adult patient with a parapharyngeal space mass. The literature on somatostatin-positive parapharyngeal space lesions was reviewed. A 51-year old male with otalgia for 3 months, hearing loss, and tinnitus underwent audiogram, revealing asymmetric hearing loss. Laryngoscopy demonstrated a paretic true vocal cord. Subsequent MRI demonstrated 4.5 cm post-styloid parapharyngeal space mass displacing the carotid artery anterolaterally. Octreoscan scan showed significant uptake of the somatostatin analog. Angiogram showed prominent vascular blush. The mass was excised transcervically and histopathology demonstrated lymphoid hyperplasia. This case demonstrates that post-styloid parapharyngeal masses may be lateral retropharyngeal nodes. An octreotide-positive lymphoid hyperplasia has never been previously reported.
from #Head and Neck by Sfakianakis via simeraentaxei on Inoreader https://ift.tt/2zOqvRH
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