False Identity: Lymphoid Hyperplasia Imitating a Large Paraganglioma

AbstractThe 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 significa ...

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